./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_product58.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 99a0574ff0f23dd43b458f22f446fd063a15f78d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:04:04,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:04:04,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:04:04,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:04:04,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:04:04,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:04:04,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:04:04,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:04:04,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:04:04,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:04:04,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:04:04,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:04:04,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:04:04,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:04:04,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:04:04,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:04:04,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:04:04,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:04:04,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:04:04,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:04:04,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:04:04,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:04:04,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:04:04,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:04:04,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:04:04,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:04:04,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:04:04,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:04:04,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:04:04,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:04:04,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:04:04,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:04:04,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:04:04,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:04:04,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:04:04,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:04:04,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:04:04,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:04:04,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:04:04,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:04:04,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:04:04,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:04:04,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:04:04,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:04:04,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:04:04,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:04:04,488 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:04:04,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:04:04,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:04:04,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:04:04,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:04:04,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:04:04,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:04:04,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:04:04,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:04:04,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:04:04,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:04:04,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:04:04,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:04:04,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:04:04,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:04:04,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:04:04,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:04:04,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:04:04,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:04:04,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:04:04,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:04:04,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:04:04,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:04:04,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:04:04,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:04:04,493 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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2020-07-28 19:04:04,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:04:04,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:04:04,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:04:04,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:04:04,890 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:04:04,891 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2020-07-28 19:04:04,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84629d18/189d2daf88704ea9b971ab674b7ea993/FLAG47c6d1281 [2020-07-28 19:04:05,478 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:04:05,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2020-07-28 19:04:05,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84629d18/189d2daf88704ea9b971ab674b7ea993/FLAG47c6d1281 [2020-07-28 19:04:05,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84629d18/189d2daf88704ea9b971ab674b7ea993 [2020-07-28 19:04:05,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:04:05,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:04:05,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:05,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:04:05,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:04:05,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:05" (1/1) ... [2020-07-28 19:04:05,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5f70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:05, skipping insertion in model container [2020-07-28 19:04:05,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:05" (1/1) ... [2020-07-28 19:04:05,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:04:05,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:04:06,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:06,435 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:04:06,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:06,557 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:04:06,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06 WrapperNode [2020-07-28 19:04:06,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:06,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:06,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:04:06,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:04:06,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:06,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:04:06,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:04:06,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:04:06,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (1/1) ... [2020-07-28 19:04:06,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:04:06,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:04:06,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:04:06,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:04:06,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (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 19:04:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:04:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:04:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:04:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:04:08,531 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:04:08,532 INFO L295 CfgBuilder]: Removed 194 assume(true) statements. [2020-07-28 19:04:08,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:08 BoogieIcfgContainer [2020-07-28 19:04:08,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:04:08,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:04:08,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:04:08,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:04:08,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:04:05" (1/3) ... [2020-07-28 19:04:08,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d066dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:08, skipping insertion in model container [2020-07-28 19:04:08,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:06" (2/3) ... [2020-07-28 19:04:08,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d066dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:08, skipping insertion in model container [2020-07-28 19:04:08,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:08" (3/3) ... [2020-07-28 19:04:08,550 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-07-28 19:04:08,563 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:04:08,573 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:04:08,592 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:04:08,622 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:04:08,623 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:04:08,623 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:04:08,623 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:04:08,624 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:04:08,624 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:04:08,624 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:04:08,625 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:04:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-07-28 19:04:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:04:08,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:08,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:08,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:08,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:08,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2020-07-28 19:04:08,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:08,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973961935] [2020-07-28 19:04:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:09,083 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {138#true} is VALID [2020-07-28 19:04:09,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {138#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {138#true} is VALID [2020-07-28 19:04:09,085 INFO L280 TraceCheckUtils]: 2: Hoare triple {138#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {138#true} is VALID [2020-07-28 19:04:09,085 INFO L280 TraceCheckUtils]: 3: Hoare triple {138#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {138#true} is VALID [2020-07-28 19:04:09,086 INFO L280 TraceCheckUtils]: 4: Hoare triple {138#true} assume 0 != main_~tmp~4; {138#true} is VALID [2020-07-28 19:04:09,086 INFO L280 TraceCheckUtils]: 5: Hoare triple {138#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {138#true} is VALID [2020-07-28 19:04:09,088 INFO L280 TraceCheckUtils]: 6: Hoare triple {138#true} assume !true; {139#false} is VALID [2020-07-28 19:04:09,088 INFO L280 TraceCheckUtils]: 7: Hoare triple {139#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {139#false} is VALID [2020-07-28 19:04:09,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {139#false} assume !(0 != ~pumpRunning~0); {139#false} is VALID [2020-07-28 19:04:09,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {139#false} assume !(0 != ~systemActive~0); {139#false} is VALID [2020-07-28 19:04:09,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {139#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {139#false} is VALID [2020-07-28 19:04:09,092 INFO L280 TraceCheckUtils]: 11: Hoare triple {139#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {139#false} is VALID [2020-07-28 19:04:09,092 INFO L280 TraceCheckUtils]: 12: Hoare triple {139#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {139#false} is VALID [2020-07-28 19:04:09,093 INFO L280 TraceCheckUtils]: 13: Hoare triple {139#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {139#false} is VALID [2020-07-28 19:04:09,094 INFO L280 TraceCheckUtils]: 14: Hoare triple {139#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {139#false} is VALID [2020-07-28 19:04:09,095 INFO L280 TraceCheckUtils]: 15: Hoare triple {139#false} assume !false; {139#false} is VALID [2020-07-28 19:04:09,100 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 19:04:09,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973961935] [2020-07-28 19:04:09,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:09,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:09,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394432084] [2020-07-28 19:04:09,113 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:09,118 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:09,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:04:09,180 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 19:04:09,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:04:09,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:09,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:04:09,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:04:09,197 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-07-28 19:04:09,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:09,543 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-07-28 19:04:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:04:09,543 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 19:04:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 19:04:09,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 395 transitions. [2020-07-28 19:04:10,120 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 395 edges. 395 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:10,139 INFO L225 Difference]: With dead ends: 264 [2020-07-28 19:04:10,139 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 19:04:10,144 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 19:04:10,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 19:04:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-28 19:04:10,220 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:10,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 131 states. [2020-07-28 19:04:10,222 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 19:04:10,222 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 19:04:10,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,230 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 19:04:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 19:04:10,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,233 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 19:04:10,233 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 19:04:10,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,240 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 19:04:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 19:04:10,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,243 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:10,243 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-28 19:04:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-07-28 19:04:10,251 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-07-28 19:04:10,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:10,252 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-07-28 19:04:10,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:04:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 19:04:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:04:10,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:10,253 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 19:04:10,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:04:10,254 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:10,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:10,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2020-07-28 19:04:10,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:10,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856872236] [2020-07-28 19:04:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:10,408 INFO L280 TraceCheckUtils]: 0: Hoare triple {959#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {959#true} is VALID [2020-07-28 19:04:10,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {959#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {959#true} is VALID [2020-07-28 19:04:10,409 INFO L280 TraceCheckUtils]: 2: Hoare triple {959#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {959#true} is VALID [2020-07-28 19:04:10,409 INFO L280 TraceCheckUtils]: 3: Hoare triple {959#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {959#true} is VALID [2020-07-28 19:04:10,409 INFO L280 TraceCheckUtils]: 4: Hoare triple {959#true} assume 0 != main_~tmp~4; {959#true} is VALID [2020-07-28 19:04:10,411 INFO L280 TraceCheckUtils]: 5: Hoare triple {959#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:10,412 INFO L280 TraceCheckUtils]: 6: Hoare triple {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:10,413 INFO L280 TraceCheckUtils]: 7: Hoare triple {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {960#false} is VALID [2020-07-28 19:04:10,414 INFO L280 TraceCheckUtils]: 8: Hoare triple {960#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {960#false} is VALID [2020-07-28 19:04:10,414 INFO L280 TraceCheckUtils]: 9: Hoare triple {960#false} assume !(0 != ~pumpRunning~0); {960#false} is VALID [2020-07-28 19:04:10,414 INFO L280 TraceCheckUtils]: 10: Hoare triple {960#false} assume !(0 != ~systemActive~0); {960#false} is VALID [2020-07-28 19:04:10,414 INFO L280 TraceCheckUtils]: 11: Hoare triple {960#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {960#false} is VALID [2020-07-28 19:04:10,415 INFO L280 TraceCheckUtils]: 12: Hoare triple {960#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {960#false} is VALID [2020-07-28 19:04:10,415 INFO L280 TraceCheckUtils]: 13: Hoare triple {960#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {960#false} is VALID [2020-07-28 19:04:10,416 INFO L280 TraceCheckUtils]: 14: Hoare triple {960#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {960#false} is VALID [2020-07-28 19:04:10,416 INFO L280 TraceCheckUtils]: 15: Hoare triple {960#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {960#false} is VALID [2020-07-28 19:04:10,417 INFO L280 TraceCheckUtils]: 16: Hoare triple {960#false} assume !false; {960#false} is VALID [2020-07-28 19:04:10,419 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 19:04:10,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856872236] [2020-07-28 19:04:10,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:10,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:10,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331386625] [2020-07-28 19:04:10,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:10,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:10,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:10,459 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 19:04:10,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:10,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:10,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:10,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:10,460 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-07-28 19:04:10,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,687 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 19:04:10,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:10,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:10,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 19:04:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 19:04:10,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 189 transitions. [2020-07-28 19:04:10,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:10,908 INFO L225 Difference]: With dead ends: 131 [2020-07-28 19:04:10,908 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 19:04:10,910 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 19:04:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 19:04:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 19:04:10,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:10,935 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:10,935 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:10,935 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,939 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 19:04:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 19:04:10,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,941 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:10,941 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,947 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 19:04:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 19:04:10,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,948 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:10,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 19:04:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-07-28 19:04:10,953 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-07-28 19:04:10,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:10,953 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-07-28 19:04:10,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 19:04:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:04:10,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:10,957 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 19:04:10,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:04:10,957 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:10,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2020-07-28 19:04:10,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:10,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449559786] [2020-07-28 19:04:10,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:11,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1328#true} is VALID [2020-07-28 19:04:11,097 INFO L280 TraceCheckUtils]: 1: Hoare triple {1328#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {1328#true} is VALID [2020-07-28 19:04:11,098 INFO L280 TraceCheckUtils]: 2: Hoare triple {1328#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1328#true} is VALID [2020-07-28 19:04:11,098 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {1328#true} is VALID [2020-07-28 19:04:11,098 INFO L280 TraceCheckUtils]: 4: Hoare triple {1328#true} assume 0 != main_~tmp~4; {1328#true} is VALID [2020-07-28 19:04:11,099 INFO L280 TraceCheckUtils]: 5: Hoare triple {1328#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1328#true} is VALID [2020-07-28 19:04:11,099 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} assume !false; {1328#true} is VALID [2020-07-28 19:04:11,099 INFO L280 TraceCheckUtils]: 7: Hoare triple {1328#true} assume test_~splverifierCounter~0 < 4; {1328#true} is VALID [2020-07-28 19:04:11,099 INFO L280 TraceCheckUtils]: 8: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {1328#true} is VALID [2020-07-28 19:04:11,100 INFO L280 TraceCheckUtils]: 9: Hoare triple {1328#true} assume !(0 != test_~tmp~10); {1328#true} is VALID [2020-07-28 19:04:11,100 INFO L280 TraceCheckUtils]: 10: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {1328#true} is VALID [2020-07-28 19:04:11,103 INFO L280 TraceCheckUtils]: 11: Hoare triple {1328#true} assume !(0 != test_~tmp___0~3); {1328#true} is VALID [2020-07-28 19:04:11,103 INFO L280 TraceCheckUtils]: 12: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {1328#true} is VALID [2020-07-28 19:04:11,104 INFO L280 TraceCheckUtils]: 13: Hoare triple {1328#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1330#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:11,105 INFO L280 TraceCheckUtils]: 14: Hoare triple {1330#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1330#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:11,106 INFO L280 TraceCheckUtils]: 15: Hoare triple {1330#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1329#false} is VALID [2020-07-28 19:04:11,106 INFO L280 TraceCheckUtils]: 16: Hoare triple {1329#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1329#false} is VALID [2020-07-28 19:04:11,106 INFO L280 TraceCheckUtils]: 17: Hoare triple {1329#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {1329#false} is VALID [2020-07-28 19:04:11,107 INFO L280 TraceCheckUtils]: 18: Hoare triple {1329#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1329#false} is VALID [2020-07-28 19:04:11,107 INFO L280 TraceCheckUtils]: 19: Hoare triple {1329#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {1329#false} is VALID [2020-07-28 19:04:11,107 INFO L280 TraceCheckUtils]: 20: Hoare triple {1329#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1329#false} is VALID [2020-07-28 19:04:11,108 INFO L280 TraceCheckUtils]: 21: Hoare triple {1329#false} assume !false; {1329#false} is VALID [2020-07-28 19:04:11,109 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 19:04:11,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449559786] [2020-07-28 19:04:11,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:11,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:11,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4804055] [2020-07-28 19:04:11,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:04:11,115 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:11,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:11,147 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 19:04:11,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:11,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:11,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:11,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:11,148 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-07-28 19:04:11,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,349 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-07-28 19:04:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:11,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:04:11,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 19:04:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 19:04:11,354 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2020-07-28 19:04:11,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:11,506 INFO L225 Difference]: With dead ends: 100 [2020-07-28 19:04:11,506 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 19:04:11,507 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 19:04:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 19:04:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 19:04:11,548 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:11,548 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:11,548 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:11,549 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:11,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,551 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 19:04:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 19:04:11,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:11,552 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:11,552 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:11,552 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 19:04:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,555 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 19:04:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 19:04:11,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:11,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:11,556 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:11,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 19:04:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-07-28 19:04:11,559 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-07-28 19:04:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:11,559 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-07-28 19:04:11,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 19:04:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:04:11,561 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:11,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:11,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:04:11,561 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:11,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:11,562 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2020-07-28 19:04:11,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:11,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932658213] [2020-07-28 19:04:11,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:11,631 INFO L280 TraceCheckUtils]: 0: Hoare triple {1652#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,634 INFO L280 TraceCheckUtils]: 3: Hoare triple {1654#(= 0 ~pumpRunning~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,634 INFO L280 TraceCheckUtils]: 4: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,635 INFO L280 TraceCheckUtils]: 5: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,636 INFO L280 TraceCheckUtils]: 6: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !false; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,636 INFO L280 TraceCheckUtils]: 7: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,637 INFO L280 TraceCheckUtils]: 8: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,638 INFO L280 TraceCheckUtils]: 9: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~10); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,638 INFO L280 TraceCheckUtils]: 10: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,639 INFO L280 TraceCheckUtils]: 11: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,640 INFO L280 TraceCheckUtils]: 12: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,640 INFO L280 TraceCheckUtils]: 13: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,641 INFO L280 TraceCheckUtils]: 14: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,641 INFO L280 TraceCheckUtils]: 15: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,642 INFO L280 TraceCheckUtils]: 16: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:11,643 INFO L280 TraceCheckUtils]: 17: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1653#false} is VALID [2020-07-28 19:04:11,643 INFO L280 TraceCheckUtils]: 18: Hoare triple {1653#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1653#false} is VALID [2020-07-28 19:04:11,643 INFO L280 TraceCheckUtils]: 19: Hoare triple {1653#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {1653#false} is VALID [2020-07-28 19:04:11,644 INFO L280 TraceCheckUtils]: 20: Hoare triple {1653#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1653#false} is VALID [2020-07-28 19:04:11,644 INFO L280 TraceCheckUtils]: 21: Hoare triple {1653#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {1653#false} is VALID [2020-07-28 19:04:11,644 INFO L280 TraceCheckUtils]: 22: Hoare triple {1653#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1653#false} is VALID [2020-07-28 19:04:11,645 INFO L280 TraceCheckUtils]: 23: Hoare triple {1653#false} assume !false; {1653#false} is VALID [2020-07-28 19:04:11,646 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 19:04:11,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932658213] [2020-07-28 19:04:11,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:11,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:11,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769015576] [2020-07-28 19:04:11,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:04:11,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:11,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:11,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:11,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:11,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:11,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:11,682 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-07-28 19:04:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,929 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-07-28 19:04:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:11,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:04:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 19:04:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 19:04:11,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 174 transitions. [2020-07-28 19:04:12,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:12,135 INFO L225 Difference]: With dead ends: 121 [2020-07-28 19:04:12,135 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 19:04:12,136 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 19:04:12,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 19:04:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-07-28 19:04:12,193 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:12,193 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 72 states. [2020-07-28 19:04:12,194 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 72 states. [2020-07-28 19:04:12,194 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 72 states. [2020-07-28 19:04:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:12,197 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 19:04:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 19:04:12,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:12,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:12,198 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 74 states. [2020-07-28 19:04:12,199 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 74 states. [2020-07-28 19:04:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:12,202 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 19:04:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 19:04:12,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:12,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:12,203 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:12,203 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 19:04:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-07-28 19:04:12,206 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-07-28 19:04:12,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:12,207 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-07-28 19:04:12,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-07-28 19:04:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:04:12,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:12,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:12,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:12,209 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2020-07-28 19:04:12,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:12,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187990651] [2020-07-28 19:04:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:12,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {2074#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {2076#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,316 INFO L280 TraceCheckUtils]: 2: Hoare triple {2076#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,317 INFO L280 TraceCheckUtils]: 3: Hoare triple {2076#(= 1 ~waterLevel~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {2076#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,318 INFO L280 TraceCheckUtils]: 5: Hoare triple {2076#(= 1 ~waterLevel~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,319 INFO L280 TraceCheckUtils]: 6: Hoare triple {2076#(= 1 ~waterLevel~0)} assume !false; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {2076#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,320 INFO L280 TraceCheckUtils]: 8: Hoare triple {2076#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,321 INFO L280 TraceCheckUtils]: 9: Hoare triple {2076#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~10); {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,321 INFO L280 TraceCheckUtils]: 10: Hoare triple {2076#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,323 INFO L280 TraceCheckUtils]: 11: Hoare triple {2076#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,326 INFO L280 TraceCheckUtils]: 12: Hoare triple {2076#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {2076#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:12,329 INFO L280 TraceCheckUtils]: 13: Hoare triple {2076#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2077#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:04:12,330 INFO L280 TraceCheckUtils]: 14: Hoare triple {2077#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {2077#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:04:12,332 INFO L280 TraceCheckUtils]: 15: Hoare triple {2077#(= ~waterLevel~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {2078#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,335 INFO L280 TraceCheckUtils]: 17: Hoare triple {2078#(not (= 0 ~waterLevel~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,336 INFO L280 TraceCheckUtils]: 18: Hoare triple {2078#(not (= 0 ~waterLevel~0))} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,337 INFO L280 TraceCheckUtils]: 19: Hoare triple {2078#(not (= 0 ~waterLevel~0))} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,338 INFO L280 TraceCheckUtils]: 20: Hoare triple {2078#(not (= 0 ~waterLevel~0))} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,338 INFO L280 TraceCheckUtils]: 21: Hoare triple {2078#(not (= 0 ~waterLevel~0))} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,339 INFO L280 TraceCheckUtils]: 22: Hoare triple {2078#(not (= 0 ~waterLevel~0))} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,340 INFO L280 TraceCheckUtils]: 23: Hoare triple {2078#(not (= 0 ~waterLevel~0))} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {2078#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:12,340 INFO L280 TraceCheckUtils]: 24: Hoare triple {2078#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {2079#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:04:12,341 INFO L280 TraceCheckUtils]: 25: Hoare triple {2079#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {2080#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} is VALID [2020-07-28 19:04:12,342 INFO L280 TraceCheckUtils]: 26: Hoare triple {2080#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {2075#false} is VALID [2020-07-28 19:04:12,342 INFO L280 TraceCheckUtils]: 27: Hoare triple {2075#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {2075#false} is VALID [2020-07-28 19:04:12,342 INFO L280 TraceCheckUtils]: 28: Hoare triple {2075#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2075#false} is VALID [2020-07-28 19:04:12,343 INFO L280 TraceCheckUtils]: 29: Hoare triple {2075#false} assume !false; {2075#false} is VALID [2020-07-28 19:04:12,345 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 19:04:12,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187990651] [2020-07-28 19:04:12,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:12,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:04:12,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291099683] [2020-07-28 19:04:12,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-28 19:04:12,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:12,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:12,396 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:12,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:12,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:12,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:12,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:12,397 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 7 states. [2020-07-28 19:04:13,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:13,981 INFO L93 Difference]: Finished difference Result 461 states and 669 transitions. [2020-07-28 19:04:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:04:13,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-28 19:04:13,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 505 transitions. [2020-07-28 19:04:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 505 transitions. [2020-07-28 19:04:13,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 505 transitions. [2020-07-28 19:04:14,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 505 edges. 505 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:14,606 INFO L225 Difference]: With dead ends: 461 [2020-07-28 19:04:14,606 INFO L226 Difference]: Without dead ends: 395 [2020-07-28 19:04:14,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:04:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-28 19:04:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2020-07-28 19:04:14,832 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:14,832 INFO L82 GeneralOperation]: Start isEquivalent. First operand 395 states. Second operand 173 states. [2020-07-28 19:04:14,832 INFO L74 IsIncluded]: Start isIncluded. First operand 395 states. Second operand 173 states. [2020-07-28 19:04:14,832 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 173 states. [2020-07-28 19:04:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:14,848 INFO L93 Difference]: Finished difference Result 395 states and 564 transitions. [2020-07-28 19:04:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 564 transitions. [2020-07-28 19:04:14,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:14,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:14,850 INFO L74 IsIncluded]: Start isIncluded. First operand 173 states. Second operand 395 states. [2020-07-28 19:04:14,850 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 395 states. [2020-07-28 19:04:14,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:14,867 INFO L93 Difference]: Finished difference Result 395 states and 564 transitions. [2020-07-28 19:04:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 564 transitions. [2020-07-28 19:04:14,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:14,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:14,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:14,869 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-28 19:04:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2020-07-28 19:04:14,875 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2020-07-28 19:04:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:14,876 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2020-07-28 19:04:14,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:04:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2020-07-28 19:04:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:14,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:14,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:14,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:14,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:14,879 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2020-07-28 19:04:14,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:14,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472966818] [2020-07-28 19:04:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:14,952 INFO L280 TraceCheckUtils]: 0: Hoare triple {3780#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,953 INFO L280 TraceCheckUtils]: 1: Hoare triple {3782#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,953 INFO L280 TraceCheckUtils]: 2: Hoare triple {3782#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,954 INFO L280 TraceCheckUtils]: 3: Hoare triple {3782#(= 1 ~waterLevel~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,955 INFO L280 TraceCheckUtils]: 4: Hoare triple {3782#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,955 INFO L280 TraceCheckUtils]: 5: Hoare triple {3782#(= 1 ~waterLevel~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,956 INFO L280 TraceCheckUtils]: 6: Hoare triple {3782#(= 1 ~waterLevel~0)} assume !false; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,957 INFO L280 TraceCheckUtils]: 7: Hoare triple {3782#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,957 INFO L280 TraceCheckUtils]: 8: Hoare triple {3782#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,958 INFO L280 TraceCheckUtils]: 9: Hoare triple {3782#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~10; {3782#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,959 INFO L280 TraceCheckUtils]: 10: Hoare triple {3782#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,959 INFO L280 TraceCheckUtils]: 11: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,960 INFO L280 TraceCheckUtils]: 12: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,961 INFO L280 TraceCheckUtils]: 13: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,961 INFO L280 TraceCheckUtils]: 14: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,962 INFO L280 TraceCheckUtils]: 15: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,963 INFO L280 TraceCheckUtils]: 16: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,963 INFO L280 TraceCheckUtils]: 17: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,964 INFO L280 TraceCheckUtils]: 18: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {3783#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:14,965 INFO L280 TraceCheckUtils]: 19: Hoare triple {3783#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {3781#false} is VALID [2020-07-28 19:04:14,965 INFO L280 TraceCheckUtils]: 20: Hoare triple {3781#false} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {3781#false} is VALID [2020-07-28 19:04:14,965 INFO L280 TraceCheckUtils]: 21: Hoare triple {3781#false} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {3781#false} is VALID [2020-07-28 19:04:14,965 INFO L280 TraceCheckUtils]: 22: Hoare triple {3781#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {3781#false} is VALID [2020-07-28 19:04:14,966 INFO L280 TraceCheckUtils]: 23: Hoare triple {3781#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {3781#false} is VALID [2020-07-28 19:04:14,966 INFO L280 TraceCheckUtils]: 24: Hoare triple {3781#false} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {3781#false} is VALID [2020-07-28 19:04:14,966 INFO L280 TraceCheckUtils]: 25: Hoare triple {3781#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {3781#false} is VALID [2020-07-28 19:04:14,967 INFO L280 TraceCheckUtils]: 26: Hoare triple {3781#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {3781#false} is VALID [2020-07-28 19:04:14,967 INFO L280 TraceCheckUtils]: 27: Hoare triple {3781#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {3781#false} is VALID [2020-07-28 19:04:14,967 INFO L280 TraceCheckUtils]: 28: Hoare triple {3781#false} assume !false; {3781#false} is VALID [2020-07-28 19:04:14,967 INFO L280 TraceCheckUtils]: 29: Hoare triple {3781#false} assume test_~splverifierCounter~0 < 4; {3781#false} is VALID [2020-07-28 19:04:14,967 INFO L280 TraceCheckUtils]: 30: Hoare triple {3781#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {3781#false} is VALID [2020-07-28 19:04:14,968 INFO L280 TraceCheckUtils]: 31: Hoare triple {3781#false} assume 0 != test_~tmp~10; {3781#false} is VALID [2020-07-28 19:04:14,968 INFO L280 TraceCheckUtils]: 32: Hoare triple {3781#false} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3781#false} is VALID [2020-07-28 19:04:14,968 INFO L280 TraceCheckUtils]: 33: Hoare triple {3781#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {3781#false} is VALID [2020-07-28 19:04:14,968 INFO L280 TraceCheckUtils]: 34: Hoare triple {3781#false} assume !(0 != test_~tmp___0~3); {3781#false} is VALID [2020-07-28 19:04:14,969 INFO L280 TraceCheckUtils]: 35: Hoare triple {3781#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {3781#false} is VALID [2020-07-28 19:04:14,969 INFO L280 TraceCheckUtils]: 36: Hoare triple {3781#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3781#false} is VALID [2020-07-28 19:04:14,969 INFO L280 TraceCheckUtils]: 37: Hoare triple {3781#false} assume !(0 != ~pumpRunning~0); {3781#false} is VALID [2020-07-28 19:04:14,970 INFO L280 TraceCheckUtils]: 38: Hoare triple {3781#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {3781#false} is VALID [2020-07-28 19:04:14,970 INFO L280 TraceCheckUtils]: 39: Hoare triple {3781#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3781#false} is VALID [2020-07-28 19:04:14,970 INFO L280 TraceCheckUtils]: 40: Hoare triple {3781#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {3781#false} is VALID [2020-07-28 19:04:14,970 INFO L280 TraceCheckUtils]: 41: Hoare triple {3781#false} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {3781#false} is VALID [2020-07-28 19:04:14,971 INFO L280 TraceCheckUtils]: 42: Hoare triple {3781#false} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {3781#false} is VALID [2020-07-28 19:04:14,971 INFO L280 TraceCheckUtils]: 43: Hoare triple {3781#false} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {3781#false} is VALID [2020-07-28 19:04:14,971 INFO L280 TraceCheckUtils]: 44: Hoare triple {3781#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {3781#false} is VALID [2020-07-28 19:04:14,971 INFO L280 TraceCheckUtils]: 45: Hoare triple {3781#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {3781#false} is VALID [2020-07-28 19:04:14,971 INFO L280 TraceCheckUtils]: 46: Hoare triple {3781#false} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {3781#false} is VALID [2020-07-28 19:04:14,972 INFO L280 TraceCheckUtils]: 47: Hoare triple {3781#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {3781#false} is VALID [2020-07-28 19:04:14,972 INFO L280 TraceCheckUtils]: 48: Hoare triple {3781#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {3781#false} is VALID [2020-07-28 19:04:14,972 INFO L280 TraceCheckUtils]: 49: Hoare triple {3781#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {3781#false} is VALID [2020-07-28 19:04:14,973 INFO L280 TraceCheckUtils]: 50: Hoare triple {3781#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {3781#false} is VALID [2020-07-28 19:04:14,973 INFO L280 TraceCheckUtils]: 51: Hoare triple {3781#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {3781#false} is VALID [2020-07-28 19:04:14,974 INFO L280 TraceCheckUtils]: 52: Hoare triple {3781#false} assume !false; {3781#false} is VALID [2020-07-28 19:04:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-28 19:04:14,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472966818] [2020-07-28 19:04:14,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:14,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:14,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600989532] [2020-07-28 19:04:14,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:14,979 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:14,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:15,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:15,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:15,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:15,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:15,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:15,035 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand 4 states. [2020-07-28 19:04:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,704 INFO L93 Difference]: Finished difference Result 290 states and 407 transitions. [2020-07-28 19:04:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:15,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 230 transitions. [2020-07-28 19:04:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 230 transitions. [2020-07-28 19:04:15,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 230 transitions. [2020-07-28 19:04:16,000 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 230 edges. 230 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:16,004 INFO L225 Difference]: With dead ends: 290 [2020-07-28 19:04:16,005 INFO L226 Difference]: Without dead ends: 166 [2020-07-28 19:04:16,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-28 19:04:16,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2020-07-28 19:04:16,212 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:16,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 166 states. Second operand 165 states. [2020-07-28 19:04:16,212 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 165 states. [2020-07-28 19:04:16,212 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 165 states. [2020-07-28 19:04:16,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,219 INFO L93 Difference]: Finished difference Result 166 states and 226 transitions. [2020-07-28 19:04:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2020-07-28 19:04:16,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,220 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 166 states. [2020-07-28 19:04:16,220 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 166 states. [2020-07-28 19:04:16,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,226 INFO L93 Difference]: Finished difference Result 166 states and 226 transitions. [2020-07-28 19:04:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2020-07-28 19:04:16,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:16,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-28 19:04:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-07-28 19:04:16,233 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 53 [2020-07-28 19:04:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:16,234 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-07-28 19:04:16,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-07-28 19:04:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:16,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:16,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:16,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:16,236 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:16,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:16,237 INFO L82 PathProgramCache]: Analyzing trace with hash 121178437, now seen corresponding path program 1 times [2020-07-28 19:04:16,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:16,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885153194] [2020-07-28 19:04:16,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {4757#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {4757#true} is VALID [2020-07-28 19:04:16,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {4757#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {4757#true} is VALID [2020-07-28 19:04:16,331 INFO L280 TraceCheckUtils]: 2: Hoare triple {4757#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {4757#true} is VALID [2020-07-28 19:04:16,331 INFO L280 TraceCheckUtils]: 3: Hoare triple {4757#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {4757#true} is VALID [2020-07-28 19:04:16,332 INFO L280 TraceCheckUtils]: 4: Hoare triple {4757#true} assume 0 != main_~tmp~4; {4757#true} is VALID [2020-07-28 19:04:16,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {4757#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4757#true} is VALID [2020-07-28 19:04:16,332 INFO L280 TraceCheckUtils]: 6: Hoare triple {4757#true} assume !false; {4757#true} is VALID [2020-07-28 19:04:16,332 INFO L280 TraceCheckUtils]: 7: Hoare triple {4757#true} assume test_~splverifierCounter~0 < 4; {4757#true} is VALID [2020-07-28 19:04:16,332 INFO L280 TraceCheckUtils]: 8: Hoare triple {4757#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {4757#true} is VALID [2020-07-28 19:04:16,333 INFO L280 TraceCheckUtils]: 9: Hoare triple {4757#true} assume !(0 != test_~tmp~10); {4757#true} is VALID [2020-07-28 19:04:16,333 INFO L280 TraceCheckUtils]: 10: Hoare triple {4757#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {4757#true} is VALID [2020-07-28 19:04:16,333 INFO L280 TraceCheckUtils]: 11: Hoare triple {4757#true} assume !(0 != test_~tmp___0~3); {4757#true} is VALID [2020-07-28 19:04:16,335 INFO L280 TraceCheckUtils]: 12: Hoare triple {4757#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {4757#true} is VALID [2020-07-28 19:04:16,335 INFO L280 TraceCheckUtils]: 13: Hoare triple {4757#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4757#true} is VALID [2020-07-28 19:04:16,335 INFO L280 TraceCheckUtils]: 14: Hoare triple {4757#true} assume !(0 != ~pumpRunning~0); {4757#true} is VALID [2020-07-28 19:04:16,335 INFO L280 TraceCheckUtils]: 15: Hoare triple {4757#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4757#true} is VALID [2020-07-28 19:04:16,336 INFO L280 TraceCheckUtils]: 16: Hoare triple {4757#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {4757#true} is VALID [2020-07-28 19:04:16,336 INFO L280 TraceCheckUtils]: 17: Hoare triple {4757#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {4757#true} is VALID [2020-07-28 19:04:16,336 INFO L280 TraceCheckUtils]: 18: Hoare triple {4757#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {4757#true} is VALID [2020-07-28 19:04:16,337 INFO L280 TraceCheckUtils]: 19: Hoare triple {4757#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {4757#true} is VALID [2020-07-28 19:04:16,338 INFO L280 TraceCheckUtils]: 20: Hoare triple {4757#true} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {4759#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:16,339 INFO L280 TraceCheckUtils]: 21: Hoare triple {4759#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {4760#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:16,340 INFO L280 TraceCheckUtils]: 22: Hoare triple {4760#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {4761#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 19:04:16,340 INFO L280 TraceCheckUtils]: 23: Hoare triple {4761#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {4758#false} is VALID [2020-07-28 19:04:16,341 INFO L280 TraceCheckUtils]: 24: Hoare triple {4758#false} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {4758#false} is VALID [2020-07-28 19:04:16,341 INFO L280 TraceCheckUtils]: 25: Hoare triple {4758#false} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {4758#false} is VALID [2020-07-28 19:04:16,341 INFO L280 TraceCheckUtils]: 26: Hoare triple {4758#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {4758#false} is VALID [2020-07-28 19:04:16,341 INFO L280 TraceCheckUtils]: 27: Hoare triple {4758#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4758#false} is VALID [2020-07-28 19:04:16,341 INFO L280 TraceCheckUtils]: 28: Hoare triple {4758#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {4758#false} is VALID [2020-07-28 19:04:16,342 INFO L280 TraceCheckUtils]: 29: Hoare triple {4758#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {4758#false} is VALID [2020-07-28 19:04:16,342 INFO L280 TraceCheckUtils]: 30: Hoare triple {4758#false} assume !false; {4758#false} is VALID [2020-07-28 19:04:16,342 INFO L280 TraceCheckUtils]: 31: Hoare triple {4758#false} assume test_~splverifierCounter~0 < 4; {4758#false} is VALID [2020-07-28 19:04:16,342 INFO L280 TraceCheckUtils]: 32: Hoare triple {4758#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {4758#false} is VALID [2020-07-28 19:04:16,342 INFO L280 TraceCheckUtils]: 33: Hoare triple {4758#false} assume !(0 != test_~tmp~10); {4758#false} is VALID [2020-07-28 19:04:16,343 INFO L280 TraceCheckUtils]: 34: Hoare triple {4758#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {4758#false} is VALID [2020-07-28 19:04:16,343 INFO L280 TraceCheckUtils]: 35: Hoare triple {4758#false} assume !(0 != test_~tmp___0~3); {4758#false} is VALID [2020-07-28 19:04:16,343 INFO L280 TraceCheckUtils]: 36: Hoare triple {4758#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {4758#false} is VALID [2020-07-28 19:04:16,347 INFO L280 TraceCheckUtils]: 37: Hoare triple {4758#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4758#false} is VALID [2020-07-28 19:04:16,348 INFO L280 TraceCheckUtils]: 38: Hoare triple {4758#false} assume 0 != ~pumpRunning~0; {4758#false} is VALID [2020-07-28 19:04:16,348 INFO L280 TraceCheckUtils]: 39: Hoare triple {4758#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {4758#false} is VALID [2020-07-28 19:04:16,348 INFO L280 TraceCheckUtils]: 40: Hoare triple {4758#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4758#false} is VALID [2020-07-28 19:04:16,349 INFO L280 TraceCheckUtils]: 41: Hoare triple {4758#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {4758#false} is VALID [2020-07-28 19:04:16,349 INFO L280 TraceCheckUtils]: 42: Hoare triple {4758#false} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {4758#false} is VALID [2020-07-28 19:04:16,349 INFO L280 TraceCheckUtils]: 43: Hoare triple {4758#false} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {4758#false} is VALID [2020-07-28 19:04:16,349 INFO L280 TraceCheckUtils]: 44: Hoare triple {4758#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {4758#false} is VALID [2020-07-28 19:04:16,349 INFO L280 TraceCheckUtils]: 45: Hoare triple {4758#false} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {4758#false} is VALID [2020-07-28 19:04:16,350 INFO L280 TraceCheckUtils]: 46: Hoare triple {4758#false} assume 0 != processEnvironment_~tmp~6;~pumpRunning~0 := 0; {4758#false} is VALID [2020-07-28 19:04:16,350 INFO L280 TraceCheckUtils]: 47: Hoare triple {4758#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4758#false} is VALID [2020-07-28 19:04:16,350 INFO L280 TraceCheckUtils]: 48: Hoare triple {4758#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {4758#false} is VALID [2020-07-28 19:04:16,356 INFO L280 TraceCheckUtils]: 49: Hoare triple {4758#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {4758#false} is VALID [2020-07-28 19:04:16,356 INFO L280 TraceCheckUtils]: 50: Hoare triple {4758#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {4758#false} is VALID [2020-07-28 19:04:16,356 INFO L280 TraceCheckUtils]: 51: Hoare triple {4758#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4758#false} is VALID [2020-07-28 19:04:16,357 INFO L280 TraceCheckUtils]: 52: Hoare triple {4758#false} assume !false; {4758#false} is VALID [2020-07-28 19:04:16,361 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 19:04:16,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885153194] [2020-07-28 19:04:16,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:16,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:16,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478485048] [2020-07-28 19:04:16,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-07-28 19:04:16,364 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:16,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:16,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:16,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:16,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:16,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:16,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:16,428 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 5 states. [2020-07-28 19:04:17,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:17,448 INFO L93 Difference]: Finished difference Result 452 states and 611 transitions. [2020-07-28 19:04:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:17,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-07-28 19:04:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2020-07-28 19:04:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2020-07-28 19:04:17,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 207 transitions. [2020-07-28 19:04:17,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:17,700 INFO L225 Difference]: With dead ends: 452 [2020-07-28 19:04:17,701 INFO L226 Difference]: Without dead ends: 293 [2020-07-28 19:04:17,702 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 19:04:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-28 19:04:17,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 180. [2020-07-28 19:04:17,974 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:17,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 293 states. Second operand 180 states. [2020-07-28 19:04:17,975 INFO L74 IsIncluded]: Start isIncluded. First operand 293 states. Second operand 180 states. [2020-07-28 19:04:17,975 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 180 states. [2020-07-28 19:04:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:17,983 INFO L93 Difference]: Finished difference Result 293 states and 387 transitions. [2020-07-28 19:04:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2020-07-28 19:04:17,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:17,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:17,984 INFO L74 IsIncluded]: Start isIncluded. First operand 180 states. Second operand 293 states. [2020-07-28 19:04:17,984 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 293 states. [2020-07-28 19:04:17,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:17,991 INFO L93 Difference]: Finished difference Result 293 states and 387 transitions. [2020-07-28 19:04:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2020-07-28 19:04:17,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:17,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:17,992 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:17,993 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-28 19:04:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 240 transitions. [2020-07-28 19:04:17,997 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 240 transitions. Word has length 53 [2020-07-28 19:04:17,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:17,998 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 240 transitions. [2020-07-28 19:04:17,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2020-07-28 19:04:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:17,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:17,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:18,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:18,000 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:18,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:18,001 INFO L82 PathProgramCache]: Analyzing trace with hash 48791879, now seen corresponding path program 1 times [2020-07-28 19:04:18,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:18,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493919440] [2020-07-28 19:04:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:18,082 INFO L280 TraceCheckUtils]: 0: Hoare triple {6240#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {6240#true} is VALID [2020-07-28 19:04:18,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {6240#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {6240#true} is VALID [2020-07-28 19:04:18,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {6240#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {6240#true} is VALID [2020-07-28 19:04:18,083 INFO L280 TraceCheckUtils]: 3: Hoare triple {6240#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {6240#true} is VALID [2020-07-28 19:04:18,085 INFO L280 TraceCheckUtils]: 4: Hoare triple {6240#true} assume 0 != main_~tmp~4; {6240#true} is VALID [2020-07-28 19:04:18,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {6240#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6240#true} is VALID [2020-07-28 19:04:18,085 INFO L280 TraceCheckUtils]: 6: Hoare triple {6240#true} assume !false; {6240#true} is VALID [2020-07-28 19:04:18,086 INFO L280 TraceCheckUtils]: 7: Hoare triple {6240#true} assume test_~splverifierCounter~0 < 4; {6240#true} is VALID [2020-07-28 19:04:18,086 INFO L280 TraceCheckUtils]: 8: Hoare triple {6240#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {6240#true} is VALID [2020-07-28 19:04:18,086 INFO L280 TraceCheckUtils]: 9: Hoare triple {6240#true} assume !(0 != test_~tmp~10); {6240#true} is VALID [2020-07-28 19:04:18,087 INFO L280 TraceCheckUtils]: 10: Hoare triple {6240#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {6240#true} is VALID [2020-07-28 19:04:18,087 INFO L280 TraceCheckUtils]: 11: Hoare triple {6240#true} assume !(0 != test_~tmp___0~3); {6240#true} is VALID [2020-07-28 19:04:18,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {6240#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {6240#true} is VALID [2020-07-28 19:04:18,088 INFO L280 TraceCheckUtils]: 13: Hoare triple {6240#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6240#true} is VALID [2020-07-28 19:04:18,088 INFO L280 TraceCheckUtils]: 14: Hoare triple {6240#true} assume !(0 != ~pumpRunning~0); {6240#true} is VALID [2020-07-28 19:04:18,089 INFO L280 TraceCheckUtils]: 15: Hoare triple {6240#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {6240#true} is VALID [2020-07-28 19:04:18,089 INFO L280 TraceCheckUtils]: 16: Hoare triple {6240#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {6240#true} is VALID [2020-07-28 19:04:18,089 INFO L280 TraceCheckUtils]: 17: Hoare triple {6240#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {6240#true} is VALID [2020-07-28 19:04:18,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {6240#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {6242#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:18,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {6242#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {6243#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8)} is VALID [2020-07-28 19:04:18,095 INFO L280 TraceCheckUtils]: 20: Hoare triple {6243#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {6241#false} is VALID [2020-07-28 19:04:18,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {6241#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {6241#false} is VALID [2020-07-28 19:04:18,095 INFO L280 TraceCheckUtils]: 22: Hoare triple {6241#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {6241#false} is VALID [2020-07-28 19:04:18,095 INFO L280 TraceCheckUtils]: 23: Hoare triple {6241#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6241#false} is VALID [2020-07-28 19:04:18,095 INFO L280 TraceCheckUtils]: 24: Hoare triple {6241#false} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {6241#false} is VALID [2020-07-28 19:04:18,096 INFO L280 TraceCheckUtils]: 25: Hoare triple {6241#false} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {6241#false} is VALID [2020-07-28 19:04:18,096 INFO L280 TraceCheckUtils]: 26: Hoare triple {6241#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {6241#false} is VALID [2020-07-28 19:04:18,096 INFO L280 TraceCheckUtils]: 27: Hoare triple {6241#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {6241#false} is VALID [2020-07-28 19:04:18,096 INFO L280 TraceCheckUtils]: 28: Hoare triple {6241#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {6241#false} is VALID [2020-07-28 19:04:18,096 INFO L280 TraceCheckUtils]: 29: Hoare triple {6241#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {6241#false} is VALID [2020-07-28 19:04:18,097 INFO L280 TraceCheckUtils]: 30: Hoare triple {6241#false} assume !false; {6241#false} is VALID [2020-07-28 19:04:18,097 INFO L280 TraceCheckUtils]: 31: Hoare triple {6241#false} assume test_~splverifierCounter~0 < 4; {6241#false} is VALID [2020-07-28 19:04:18,097 INFO L280 TraceCheckUtils]: 32: Hoare triple {6241#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {6241#false} is VALID [2020-07-28 19:04:18,098 INFO L280 TraceCheckUtils]: 33: Hoare triple {6241#false} assume !(0 != test_~tmp~10); {6241#false} is VALID [2020-07-28 19:04:18,098 INFO L280 TraceCheckUtils]: 34: Hoare triple {6241#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {6241#false} is VALID [2020-07-28 19:04:18,098 INFO L280 TraceCheckUtils]: 35: Hoare triple {6241#false} assume !(0 != test_~tmp___0~3); {6241#false} is VALID [2020-07-28 19:04:18,098 INFO L280 TraceCheckUtils]: 36: Hoare triple {6241#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 37: Hoare triple {6241#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 38: Hoare triple {6241#false} assume 0 != ~pumpRunning~0; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 39: Hoare triple {6241#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 40: Hoare triple {6241#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 41: Hoare triple {6241#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {6241#false} is VALID [2020-07-28 19:04:18,099 INFO L280 TraceCheckUtils]: 42: Hoare triple {6241#false} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {6241#false} is VALID [2020-07-28 19:04:18,100 INFO L280 TraceCheckUtils]: 43: Hoare triple {6241#false} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {6241#false} is VALID [2020-07-28 19:04:18,100 INFO L280 TraceCheckUtils]: 44: Hoare triple {6241#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {6241#false} is VALID [2020-07-28 19:04:18,100 INFO L280 TraceCheckUtils]: 45: Hoare triple {6241#false} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {6241#false} is VALID [2020-07-28 19:04:18,103 INFO L280 TraceCheckUtils]: 46: Hoare triple {6241#false} assume 0 != processEnvironment_~tmp~6;~pumpRunning~0 := 0; {6241#false} is VALID [2020-07-28 19:04:18,103 INFO L280 TraceCheckUtils]: 47: Hoare triple {6241#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {6241#false} is VALID [2020-07-28 19:04:18,103 INFO L280 TraceCheckUtils]: 48: Hoare triple {6241#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {6241#false} is VALID [2020-07-28 19:04:18,104 INFO L280 TraceCheckUtils]: 49: Hoare triple {6241#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {6241#false} is VALID [2020-07-28 19:04:18,104 INFO L280 TraceCheckUtils]: 50: Hoare triple {6241#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {6241#false} is VALID [2020-07-28 19:04:18,104 INFO L280 TraceCheckUtils]: 51: Hoare triple {6241#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {6241#false} is VALID [2020-07-28 19:04:18,104 INFO L280 TraceCheckUtils]: 52: Hoare triple {6241#false} assume !false; {6241#false} is VALID [2020-07-28 19:04:18,108 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 19:04:18,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493919440] [2020-07-28 19:04:18,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:18,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:18,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459535600] [2020-07-28 19:04:18,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:18,111 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:18,111 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:18,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:18,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:18,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:18,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:18,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:18,179 INFO L87 Difference]: Start difference. First operand 180 states and 240 transitions. Second operand 4 states. [2020-07-28 19:04:18,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,908 INFO L93 Difference]: Finished difference Result 368 states and 492 transitions. [2020-07-28 19:04:18,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:18,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:18,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2020-07-28 19:04:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2020-07-28 19:04:18,912 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 183 transitions. [2020-07-28 19:04:19,133 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:19,137 INFO L225 Difference]: With dead ends: 368 [2020-07-28 19:04:19,138 INFO L226 Difference]: Without dead ends: 194 [2020-07-28 19:04:19,138 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 19:04:19,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-28 19:04:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 147. [2020-07-28 19:04:19,337 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:19,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 147 states. [2020-07-28 19:04:19,338 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 147 states. [2020-07-28 19:04:19,338 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 147 states. [2020-07-28 19:04:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:19,343 INFO L93 Difference]: Finished difference Result 194 states and 255 transitions. [2020-07-28 19:04:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2020-07-28 19:04:19,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:19,344 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:19,345 INFO L74 IsIncluded]: Start isIncluded. First operand 147 states. Second operand 194 states. [2020-07-28 19:04:19,345 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 194 states. [2020-07-28 19:04:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:19,349 INFO L93 Difference]: Finished difference Result 194 states and 255 transitions. [2020-07-28 19:04:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2020-07-28 19:04:19,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:19,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:19,350 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:19,350 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-28 19:04:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 192 transitions. [2020-07-28 19:04:19,354 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 192 transitions. Word has length 53 [2020-07-28 19:04:19,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:19,354 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 192 transitions. [2020-07-28 19:04:19,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 192 transitions. [2020-07-28 19:04:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:04:19,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:19,356 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] [2020-07-28 19:04:19,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:19,356 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:19,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:19,357 INFO L82 PathProgramCache]: Analyzing trace with hash -516506869, now seen corresponding path program 1 times [2020-07-28 19:04:19,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:19,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210929390] [2020-07-28 19:04:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:19,448 INFO L280 TraceCheckUtils]: 0: Hoare triple {7352#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {7352#true} is VALID [2020-07-28 19:04:19,448 INFO L280 TraceCheckUtils]: 1: Hoare triple {7352#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {7352#true} is VALID [2020-07-28 19:04:19,448 INFO L280 TraceCheckUtils]: 2: Hoare triple {7352#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 3: Hoare triple {7352#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {7352#true} assume 0 != main_~tmp~4; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 5: Hoare triple {7352#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 6: Hoare triple {7352#true} assume !false; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 7: Hoare triple {7352#true} assume test_~splverifierCounter~0 < 4; {7352#true} is VALID [2020-07-28 19:04:19,449 INFO L280 TraceCheckUtils]: 8: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {7352#true} is VALID [2020-07-28 19:04:19,450 INFO L280 TraceCheckUtils]: 9: Hoare triple {7352#true} assume 0 != test_~tmp~10; {7352#true} is VALID [2020-07-28 19:04:19,450 INFO L280 TraceCheckUtils]: 10: Hoare triple {7352#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {7352#true} is VALID [2020-07-28 19:04:19,450 INFO L280 TraceCheckUtils]: 11: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {7352#true} is VALID [2020-07-28 19:04:19,450 INFO L280 TraceCheckUtils]: 12: Hoare triple {7352#true} assume !(0 != test_~tmp___0~3); {7352#true} is VALID [2020-07-28 19:04:19,450 INFO L280 TraceCheckUtils]: 13: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {7352#true} is VALID [2020-07-28 19:04:19,451 INFO L280 TraceCheckUtils]: 14: Hoare triple {7352#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7352#true} is VALID [2020-07-28 19:04:19,451 INFO L280 TraceCheckUtils]: 15: Hoare triple {7352#true} assume !(0 != ~pumpRunning~0); {7352#true} is VALID [2020-07-28 19:04:19,451 INFO L280 TraceCheckUtils]: 16: Hoare triple {7352#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {7352#true} is VALID [2020-07-28 19:04:19,451 INFO L280 TraceCheckUtils]: 17: Hoare triple {7352#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {7352#true} is VALID [2020-07-28 19:04:19,451 INFO L280 TraceCheckUtils]: 18: Hoare triple {7352#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {7352#true} is VALID [2020-07-28 19:04:19,452 INFO L280 TraceCheckUtils]: 19: Hoare triple {7352#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {7352#true} is VALID [2020-07-28 19:04:19,452 INFO L280 TraceCheckUtils]: 20: Hoare triple {7352#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {7352#true} is VALID [2020-07-28 19:04:19,452 INFO L280 TraceCheckUtils]: 21: Hoare triple {7352#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {7352#true} is VALID [2020-07-28 19:04:19,452 INFO L280 TraceCheckUtils]: 22: Hoare triple {7352#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {7352#true} is VALID [2020-07-28 19:04:19,452 INFO L280 TraceCheckUtils]: 23: Hoare triple {7352#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {7352#true} is VALID [2020-07-28 19:04:19,453 INFO L280 TraceCheckUtils]: 24: Hoare triple {7352#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {7352#true} is VALID [2020-07-28 19:04:19,453 INFO L280 TraceCheckUtils]: 25: Hoare triple {7352#true} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {7352#true} is VALID [2020-07-28 19:04:19,453 INFO L280 TraceCheckUtils]: 26: Hoare triple {7352#true} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {7352#true} is VALID [2020-07-28 19:04:19,453 INFO L280 TraceCheckUtils]: 27: Hoare triple {7352#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {7352#true} is VALID [2020-07-28 19:04:19,453 INFO L280 TraceCheckUtils]: 28: Hoare triple {7352#true} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {7352#true} is VALID [2020-07-28 19:04:19,454 INFO L280 TraceCheckUtils]: 29: Hoare triple {7352#true} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {7352#true} is VALID [2020-07-28 19:04:19,454 INFO L280 TraceCheckUtils]: 30: Hoare triple {7352#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {7352#true} is VALID [2020-07-28 19:04:19,454 INFO L280 TraceCheckUtils]: 31: Hoare triple {7352#true} assume !false; {7352#true} is VALID [2020-07-28 19:04:19,454 INFO L280 TraceCheckUtils]: 32: Hoare triple {7352#true} assume test_~splverifierCounter~0 < 4; {7352#true} is VALID [2020-07-28 19:04:19,454 INFO L280 TraceCheckUtils]: 33: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {7352#true} is VALID [2020-07-28 19:04:19,455 INFO L280 TraceCheckUtils]: 34: Hoare triple {7352#true} assume !(0 != test_~tmp~10); {7352#true} is VALID [2020-07-28 19:04:19,455 INFO L280 TraceCheckUtils]: 35: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {7352#true} is VALID [2020-07-28 19:04:19,455 INFO L280 TraceCheckUtils]: 36: Hoare triple {7352#true} assume !(0 != test_~tmp___0~3); {7352#true} is VALID [2020-07-28 19:04:19,455 INFO L280 TraceCheckUtils]: 37: Hoare triple {7352#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {7352#true} is VALID [2020-07-28 19:04:19,455 INFO L280 TraceCheckUtils]: 38: Hoare triple {7352#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7352#true} is VALID [2020-07-28 19:04:19,456 INFO L280 TraceCheckUtils]: 39: Hoare triple {7352#true} assume 0 != ~pumpRunning~0; {7352#true} is VALID [2020-07-28 19:04:19,456 INFO L280 TraceCheckUtils]: 40: Hoare triple {7352#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {7352#true} is VALID [2020-07-28 19:04:19,456 INFO L280 TraceCheckUtils]: 41: Hoare triple {7352#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {7352#true} is VALID [2020-07-28 19:04:19,456 INFO L280 TraceCheckUtils]: 42: Hoare triple {7352#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {7352#true} is VALID [2020-07-28 19:04:19,456 INFO L280 TraceCheckUtils]: 43: Hoare triple {7352#true} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {7352#true} is VALID [2020-07-28 19:04:19,459 INFO L280 TraceCheckUtils]: 44: Hoare triple {7352#true} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {7354#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} is VALID [2020-07-28 19:04:19,460 INFO L280 TraceCheckUtils]: 45: Hoare triple {7354#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {7355#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:19,461 INFO L280 TraceCheckUtils]: 46: Hoare triple {7355#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {7356#(= 0 ULTIMATE.start_processEnvironment_~tmp~6)} is VALID [2020-07-28 19:04:19,462 INFO L280 TraceCheckUtils]: 47: Hoare triple {7356#(= 0 ULTIMATE.start_processEnvironment_~tmp~6)} assume 0 != processEnvironment_~tmp~6;~pumpRunning~0 := 0; {7353#false} is VALID [2020-07-28 19:04:19,462 INFO L280 TraceCheckUtils]: 48: Hoare triple {7353#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {7353#false} is VALID [2020-07-28 19:04:19,462 INFO L280 TraceCheckUtils]: 49: Hoare triple {7353#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {7353#false} is VALID [2020-07-28 19:04:19,462 INFO L280 TraceCheckUtils]: 50: Hoare triple {7353#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {7353#false} is VALID [2020-07-28 19:04:19,462 INFO L280 TraceCheckUtils]: 51: Hoare triple {7353#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {7353#false} is VALID [2020-07-28 19:04:19,463 INFO L280 TraceCheckUtils]: 52: Hoare triple {7353#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {7353#false} is VALID [2020-07-28 19:04:19,463 INFO L280 TraceCheckUtils]: 53: Hoare triple {7353#false} assume !false; {7353#false} is VALID [2020-07-28 19:04:19,466 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 19:04:19,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210929390] [2020-07-28 19:04:19,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:19,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:19,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301439522] [2020-07-28 19:04:19,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:19,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:19,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:19,528 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:19,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:19,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:19,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:19,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:19,530 INFO L87 Difference]: Start difference. First operand 147 states and 192 transitions. Second operand 5 states. [2020-07-28 19:04:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:20,986 INFO L93 Difference]: Finished difference Result 485 states and 645 transitions. [2020-07-28 19:04:20,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:20,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:20,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 265 transitions. [2020-07-28 19:04:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 265 transitions. [2020-07-28 19:04:20,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 265 transitions. [2020-07-28 19:04:21,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 265 edges. 265 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:21,264 INFO L225 Difference]: With dead ends: 485 [2020-07-28 19:04:21,265 INFO L226 Difference]: Without dead ends: 368 [2020-07-28 19:04:21,266 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 19:04:21,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-07-28 19:04:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 150. [2020-07-28 19:04:21,574 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:21,574 INFO L82 GeneralOperation]: Start isEquivalent. First operand 368 states. Second operand 150 states. [2020-07-28 19:04:21,574 INFO L74 IsIncluded]: Start isIncluded. First operand 368 states. Second operand 150 states. [2020-07-28 19:04:21,574 INFO L87 Difference]: Start difference. First operand 368 states. Second operand 150 states. [2020-07-28 19:04:21,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:21,583 INFO L93 Difference]: Finished difference Result 368 states and 487 transitions. [2020-07-28 19:04:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 487 transitions. [2020-07-28 19:04:21,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:21,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:21,584 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 368 states. [2020-07-28 19:04:21,584 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 368 states. [2020-07-28 19:04:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:21,591 INFO L93 Difference]: Finished difference Result 368 states and 487 transitions. [2020-07-28 19:04:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 487 transitions. [2020-07-28 19:04:21,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:21,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:21,593 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:21,593 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-28 19:04:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 195 transitions. [2020-07-28 19:04:21,596 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 195 transitions. Word has length 54 [2020-07-28 19:04:21,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:21,596 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 195 transitions. [2020-07-28 19:04:21,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 195 transitions. [2020-07-28 19:04:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:04:21,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:21,597 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] [2020-07-28 19:04:21,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:21,598 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:21,598 INFO L82 PathProgramCache]: Analyzing trace with hash -909533879, now seen corresponding path program 1 times [2020-07-28 19:04:21,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:21,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85421750] [2020-07-28 19:04:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:21,672 INFO L280 TraceCheckUtils]: 0: Hoare triple {8984#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {8984#true} is VALID [2020-07-28 19:04:21,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {8984#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {8984#true} is VALID [2020-07-28 19:04:21,673 INFO L280 TraceCheckUtils]: 2: Hoare triple {8984#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {8984#true} is VALID [2020-07-28 19:04:21,673 INFO L280 TraceCheckUtils]: 3: Hoare triple {8984#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {8984#true} is VALID [2020-07-28 19:04:21,673 INFO L280 TraceCheckUtils]: 4: Hoare triple {8984#true} assume 0 != main_~tmp~4; {8984#true} is VALID [2020-07-28 19:04:21,674 INFO L280 TraceCheckUtils]: 5: Hoare triple {8984#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8984#true} is VALID [2020-07-28 19:04:21,674 INFO L280 TraceCheckUtils]: 6: Hoare triple {8984#true} assume !false; {8984#true} is VALID [2020-07-28 19:04:21,674 INFO L280 TraceCheckUtils]: 7: Hoare triple {8984#true} assume test_~splverifierCounter~0 < 4; {8984#true} is VALID [2020-07-28 19:04:21,675 INFO L280 TraceCheckUtils]: 8: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {8984#true} is VALID [2020-07-28 19:04:21,675 INFO L280 TraceCheckUtils]: 9: Hoare triple {8984#true} assume 0 != test_~tmp~10; {8984#true} is VALID [2020-07-28 19:04:21,675 INFO L280 TraceCheckUtils]: 10: Hoare triple {8984#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8984#true} is VALID [2020-07-28 19:04:21,675 INFO L280 TraceCheckUtils]: 11: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {8984#true} is VALID [2020-07-28 19:04:21,675 INFO L280 TraceCheckUtils]: 12: Hoare triple {8984#true} assume !(0 != test_~tmp___0~3); {8984#true} is VALID [2020-07-28 19:04:21,676 INFO L280 TraceCheckUtils]: 13: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {8984#true} is VALID [2020-07-28 19:04:21,676 INFO L280 TraceCheckUtils]: 14: Hoare triple {8984#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8984#true} is VALID [2020-07-28 19:04:21,676 INFO L280 TraceCheckUtils]: 15: Hoare triple {8984#true} assume !(0 != ~pumpRunning~0); {8984#true} is VALID [2020-07-28 19:04:21,676 INFO L280 TraceCheckUtils]: 16: Hoare triple {8984#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {8984#true} is VALID [2020-07-28 19:04:21,676 INFO L280 TraceCheckUtils]: 17: Hoare triple {8984#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {8984#true} is VALID [2020-07-28 19:04:21,677 INFO L280 TraceCheckUtils]: 18: Hoare triple {8984#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {8984#true} is VALID [2020-07-28 19:04:21,677 INFO L280 TraceCheckUtils]: 19: Hoare triple {8984#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {8984#true} is VALID [2020-07-28 19:04:21,677 INFO L280 TraceCheckUtils]: 20: Hoare triple {8984#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {8984#true} is VALID [2020-07-28 19:04:21,677 INFO L280 TraceCheckUtils]: 21: Hoare triple {8984#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {8984#true} is VALID [2020-07-28 19:04:21,678 INFO L280 TraceCheckUtils]: 22: Hoare triple {8984#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {8984#true} is VALID [2020-07-28 19:04:21,678 INFO L280 TraceCheckUtils]: 23: Hoare triple {8984#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {8984#true} is VALID [2020-07-28 19:04:21,678 INFO L280 TraceCheckUtils]: 24: Hoare triple {8984#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {8984#true} is VALID [2020-07-28 19:04:21,678 INFO L280 TraceCheckUtils]: 25: Hoare triple {8984#true} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 26: Hoare triple {8984#true} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 27: Hoare triple {8984#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 28: Hoare triple {8984#true} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 29: Hoare triple {8984#true} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 30: Hoare triple {8984#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {8984#true} is VALID [2020-07-28 19:04:21,679 INFO L280 TraceCheckUtils]: 31: Hoare triple {8984#true} assume !false; {8984#true} is VALID [2020-07-28 19:04:21,680 INFO L280 TraceCheckUtils]: 32: Hoare triple {8984#true} assume test_~splverifierCounter~0 < 4; {8984#true} is VALID [2020-07-28 19:04:21,680 INFO L280 TraceCheckUtils]: 33: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {8984#true} is VALID [2020-07-28 19:04:21,681 INFO L280 TraceCheckUtils]: 34: Hoare triple {8984#true} assume !(0 != test_~tmp~10); {8984#true} is VALID [2020-07-28 19:04:21,681 INFO L280 TraceCheckUtils]: 35: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {8984#true} is VALID [2020-07-28 19:04:21,681 INFO L280 TraceCheckUtils]: 36: Hoare triple {8984#true} assume !(0 != test_~tmp___0~3); {8984#true} is VALID [2020-07-28 19:04:21,681 INFO L280 TraceCheckUtils]: 37: Hoare triple {8984#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {8984#true} is VALID [2020-07-28 19:04:21,682 INFO L280 TraceCheckUtils]: 38: Hoare triple {8984#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8984#true} is VALID [2020-07-28 19:04:21,682 INFO L280 TraceCheckUtils]: 39: Hoare triple {8984#true} assume 0 != ~pumpRunning~0; {8984#true} is VALID [2020-07-28 19:04:21,682 INFO L280 TraceCheckUtils]: 40: Hoare triple {8984#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8984#true} is VALID [2020-07-28 19:04:21,682 INFO L280 TraceCheckUtils]: 41: Hoare triple {8984#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {8984#true} is VALID [2020-07-28 19:04:21,683 INFO L280 TraceCheckUtils]: 42: Hoare triple {8984#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {8984#true} is VALID [2020-07-28 19:04:21,683 INFO L280 TraceCheckUtils]: 43: Hoare triple {8984#true} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {8984#true} is VALID [2020-07-28 19:04:21,683 INFO L280 TraceCheckUtils]: 44: Hoare triple {8984#true} assume !(0 != isLowWaterLevel_~tmp~9);isLowWaterLevel_~tmp___0~2 := 1; {8984#true} is VALID [2020-07-28 19:04:21,683 INFO L280 TraceCheckUtils]: 45: Hoare triple {8984#true} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {8984#true} is VALID [2020-07-28 19:04:21,684 INFO L280 TraceCheckUtils]: 46: Hoare triple {8984#true} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {8984#true} is VALID [2020-07-28 19:04:21,685 INFO L280 TraceCheckUtils]: 47: Hoare triple {8984#true} assume 0 != processEnvironment_~tmp~6;~pumpRunning~0 := 0; {8986#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:21,685 INFO L280 TraceCheckUtils]: 48: Hoare triple {8986#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {8986#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:21,686 INFO L280 TraceCheckUtils]: 49: Hoare triple {8986#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {8986#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:21,686 INFO L280 TraceCheckUtils]: 50: Hoare triple {8986#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {8987#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:21,687 INFO L280 TraceCheckUtils]: 51: Hoare triple {8987#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {8988#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:04:21,688 INFO L280 TraceCheckUtils]: 52: Hoare triple {8988#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {8985#false} is VALID [2020-07-28 19:04:21,688 INFO L280 TraceCheckUtils]: 53: Hoare triple {8985#false} assume !false; {8985#false} is VALID [2020-07-28 19:04:21,691 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 19:04:21,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85421750] [2020-07-28 19:04:21,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:21,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:21,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934773163] [2020-07-28 19:04:21,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:21,692 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:21,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:21,756 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:21,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:21,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:21,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:21,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:21,757 INFO L87 Difference]: Start difference. First operand 150 states and 195 transitions. Second operand 5 states. [2020-07-28 19:04:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:23,411 INFO L93 Difference]: Finished difference Result 389 states and 511 transitions. [2020-07-28 19:04:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:23,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 19:04:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 19:04:23,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 290 transitions. [2020-07-28 19:04:23,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:23,774 INFO L225 Difference]: With dead ends: 389 [2020-07-28 19:04:23,774 INFO L226 Difference]: Without dead ends: 387 [2020-07-28 19:04:23,775 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 19:04:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-07-28 19:04:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 150. [2020-07-28 19:04:24,064 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:24,064 INFO L82 GeneralOperation]: Start isEquivalent. First operand 387 states. Second operand 150 states. [2020-07-28 19:04:24,064 INFO L74 IsIncluded]: Start isIncluded. First operand 387 states. Second operand 150 states. [2020-07-28 19:04:24,064 INFO L87 Difference]: Start difference. First operand 387 states. Second operand 150 states. [2020-07-28 19:04:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,074 INFO L93 Difference]: Finished difference Result 387 states and 509 transitions. [2020-07-28 19:04:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 509 transitions. [2020-07-28 19:04:24,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,075 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 387 states. [2020-07-28 19:04:24,075 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 387 states. [2020-07-28 19:04:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,085 INFO L93 Difference]: Finished difference Result 387 states and 509 transitions. [2020-07-28 19:04:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 509 transitions. [2020-07-28 19:04:24,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,086 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:24,086 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-28 19:04:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2020-07-28 19:04:24,089 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 54 [2020-07-28 19:04:24,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:24,090 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2020-07-28 19:04:24,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2020-07-28 19:04:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-28 19:04:24,091 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:24,091 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] [2020-07-28 19:04:24,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:04:24,092 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2020-07-28 19:04:24,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:24,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721908869] [2020-07-28 19:04:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:24,206 INFO L280 TraceCheckUtils]: 0: Hoare triple {10525#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {10527#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {10527#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,210 INFO L280 TraceCheckUtils]: 3: Hoare triple {10527#(= 1 ~waterLevel~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,211 INFO L280 TraceCheckUtils]: 4: Hoare triple {10527#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,214 INFO L280 TraceCheckUtils]: 5: Hoare triple {10527#(= 1 ~waterLevel~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,215 INFO L280 TraceCheckUtils]: 6: Hoare triple {10527#(= 1 ~waterLevel~0)} assume !false; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,217 INFO L280 TraceCheckUtils]: 7: Hoare triple {10527#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,218 INFO L280 TraceCheckUtils]: 8: Hoare triple {10527#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,221 INFO L280 TraceCheckUtils]: 9: Hoare triple {10527#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~10; {10527#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {10527#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,222 INFO L280 TraceCheckUtils]: 11: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,222 INFO L280 TraceCheckUtils]: 12: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,222 INFO L280 TraceCheckUtils]: 13: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,223 INFO L280 TraceCheckUtils]: 14: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,224 INFO L280 TraceCheckUtils]: 15: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,225 INFO L280 TraceCheckUtils]: 16: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,225 INFO L280 TraceCheckUtils]: 17: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,225 INFO L280 TraceCheckUtils]: 18: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,226 INFO L280 TraceCheckUtils]: 20: Hoare triple {10528#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,227 INFO L280 TraceCheckUtils]: 21: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,228 INFO L280 TraceCheckUtils]: 22: Hoare triple {10528#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,228 INFO L280 TraceCheckUtils]: 23: Hoare triple {10528#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,229 INFO L280 TraceCheckUtils]: 24: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,229 INFO L280 TraceCheckUtils]: 25: Hoare triple {10528#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 26: Hoare triple {10528#(<= 2 ~waterLevel~0)} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 27: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 28: Hoare triple {10528#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 29: Hoare triple {10528#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 30: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !false; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 32: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 33: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,236 INFO L280 TraceCheckUtils]: 34: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~10); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,236 INFO L280 TraceCheckUtils]: 35: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,236 INFO L280 TraceCheckUtils]: 36: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 37: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 38: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,238 INFO L280 TraceCheckUtils]: 39: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,238 INFO L280 TraceCheckUtils]: 40: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,239 INFO L280 TraceCheckUtils]: 41: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,239 INFO L280 TraceCheckUtils]: 42: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,240 INFO L280 TraceCheckUtils]: 43: Hoare triple {10529#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,240 INFO L280 TraceCheckUtils]: 44: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,241 INFO L280 TraceCheckUtils]: 45: Hoare triple {10529#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,241 INFO L280 TraceCheckUtils]: 46: Hoare triple {10529#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,241 INFO L280 TraceCheckUtils]: 47: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,242 INFO L280 TraceCheckUtils]: 48: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,242 INFO L280 TraceCheckUtils]: 49: Hoare triple {10529#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {10530#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:04:24,243 INFO L280 TraceCheckUtils]: 50: Hoare triple {10530#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {10531#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} is VALID [2020-07-28 19:04:24,243 INFO L280 TraceCheckUtils]: 51: Hoare triple {10531#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {10526#false} is VALID [2020-07-28 19:04:24,243 INFO L280 TraceCheckUtils]: 52: Hoare triple {10526#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {10526#false} is VALID [2020-07-28 19:04:24,244 INFO L280 TraceCheckUtils]: 53: Hoare triple {10526#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {10526#false} is VALID [2020-07-28 19:04:24,244 INFO L280 TraceCheckUtils]: 54: Hoare triple {10526#false} assume !false; {10526#false} is VALID [2020-07-28 19:04:24,246 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 19:04:24,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721908869] [2020-07-28 19:04:24,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635925697] [2020-07-28 19:04:24,247 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 19:04:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:24,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:24,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:24,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {10525#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {10525#true} is VALID [2020-07-28 19:04:24,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {10525#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {10525#true} is VALID [2020-07-28 19:04:24,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {10525#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 3: Hoare triple {10525#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 4: Hoare triple {10525#true} assume 0 != main_~tmp~4; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 5: Hoare triple {10525#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {10525#true} assume !false; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {10525#true} assume test_~splverifierCounter~0 < 4; {10525#true} is VALID [2020-07-28 19:04:24,630 INFO L280 TraceCheckUtils]: 8: Hoare triple {10525#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {10525#true} is VALID [2020-07-28 19:04:24,631 INFO L280 TraceCheckUtils]: 9: Hoare triple {10525#true} assume 0 != test_~tmp~10; {10525#true} is VALID [2020-07-28 19:04:24,631 INFO L280 TraceCheckUtils]: 10: Hoare triple {10525#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10525#true} is VALID [2020-07-28 19:04:24,631 INFO L280 TraceCheckUtils]: 11: Hoare triple {10525#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {10525#true} is VALID [2020-07-28 19:04:24,631 INFO L280 TraceCheckUtils]: 12: Hoare triple {10525#true} assume !(0 != test_~tmp___0~3); {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 13: Hoare triple {10525#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 14: Hoare triple {10525#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 15: Hoare triple {10525#true} assume !(0 != ~pumpRunning~0); {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 16: Hoare triple {10525#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 17: Hoare triple {10525#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10525#true} is VALID [2020-07-28 19:04:24,632 INFO L280 TraceCheckUtils]: 18: Hoare triple {10525#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {10525#true} is VALID [2020-07-28 19:04:24,634 INFO L280 TraceCheckUtils]: 19: Hoare triple {10525#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,634 INFO L280 TraceCheckUtils]: 20: Hoare triple {10528#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,635 INFO L280 TraceCheckUtils]: 21: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,636 INFO L280 TraceCheckUtils]: 22: Hoare triple {10528#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,637 INFO L280 TraceCheckUtils]: 23: Hoare triple {10528#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,637 INFO L280 TraceCheckUtils]: 24: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,638 INFO L280 TraceCheckUtils]: 25: Hoare triple {10528#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,639 INFO L280 TraceCheckUtils]: 26: Hoare triple {10528#(<= 2 ~waterLevel~0)} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,639 INFO L280 TraceCheckUtils]: 27: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,640 INFO L280 TraceCheckUtils]: 28: Hoare triple {10528#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,640 INFO L280 TraceCheckUtils]: 29: Hoare triple {10528#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,641 INFO L280 TraceCheckUtils]: 30: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,642 INFO L280 TraceCheckUtils]: 31: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !false; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,642 INFO L280 TraceCheckUtils]: 32: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,643 INFO L280 TraceCheckUtils]: 33: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,643 INFO L280 TraceCheckUtils]: 34: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~10); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,644 INFO L280 TraceCheckUtils]: 35: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,645 INFO L280 TraceCheckUtils]: 36: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,645 INFO L280 TraceCheckUtils]: 37: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,646 INFO L280 TraceCheckUtils]: 38: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,647 INFO L280 TraceCheckUtils]: 39: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10528#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,648 INFO L280 TraceCheckUtils]: 40: Hoare triple {10528#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,648 INFO L280 TraceCheckUtils]: 41: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,649 INFO L280 TraceCheckUtils]: 42: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,649 INFO L280 TraceCheckUtils]: 43: Hoare triple {10529#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,650 INFO L280 TraceCheckUtils]: 44: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,651 INFO L280 TraceCheckUtils]: 45: Hoare triple {10529#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,651 INFO L280 TraceCheckUtils]: 46: Hoare triple {10529#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,652 INFO L280 TraceCheckUtils]: 47: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,652 INFO L280 TraceCheckUtils]: 48: Hoare triple {10529#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {10529#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:24,653 INFO L280 TraceCheckUtils]: 49: Hoare triple {10529#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {10682#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:24,654 INFO L280 TraceCheckUtils]: 50: Hoare triple {10682#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {10686#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3)} is VALID [2020-07-28 19:04:24,655 INFO L280 TraceCheckUtils]: 51: Hoare triple {10686#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {10526#false} is VALID [2020-07-28 19:04:24,655 INFO L280 TraceCheckUtils]: 52: Hoare triple {10526#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {10526#false} is VALID [2020-07-28 19:04:24,655 INFO L280 TraceCheckUtils]: 53: Hoare triple {10526#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {10526#false} is VALID [2020-07-28 19:04:24,656 INFO L280 TraceCheckUtils]: 54: Hoare triple {10526#false} assume !false; {10526#false} is VALID [2020-07-28 19:04:24,660 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 19:04:24,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:24,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-07-28 19:04:24,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769799176] [2020-07-28 19:04:24,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-07-28 19:04:24,662 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:24,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 19:04:24,753 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 19:04:24,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 19:04:24,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:24,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 19:04:24,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:24,755 INFO L87 Difference]: Start difference. First operand 150 states and 194 transitions. Second operand 9 states. [2020-07-28 19:04:27,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:27,402 INFO L93 Difference]: Finished difference Result 606 states and 803 transitions. [2020-07-28 19:04:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-28 19:04:27,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-07-28 19:04:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:04:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 495 transitions. [2020-07-28 19:04:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:04:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 495 transitions. [2020-07-28 19:04:27,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 495 transitions. [2020-07-28 19:04:27,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 495 edges. 495 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:27,981 INFO L225 Difference]: With dead ends: 606 [2020-07-28 19:04:27,981 INFO L226 Difference]: Without dead ends: 486 [2020-07-28 19:04:27,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-07-28 19:04:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-28 19:04:28,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 202. [2020-07-28 19:04:28,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:28,461 INFO L82 GeneralOperation]: Start isEquivalent. First operand 486 states. Second operand 202 states. [2020-07-28 19:04:28,461 INFO L74 IsIncluded]: Start isIncluded. First operand 486 states. Second operand 202 states. [2020-07-28 19:04:28,461 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 202 states. [2020-07-28 19:04:28,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,474 INFO L93 Difference]: Finished difference Result 486 states and 636 transitions. [2020-07-28 19:04:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 636 transitions. [2020-07-28 19:04:28,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:28,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:28,476 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 486 states. [2020-07-28 19:04:28,476 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 486 states. [2020-07-28 19:04:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,490 INFO L93 Difference]: Finished difference Result 486 states and 636 transitions. [2020-07-28 19:04:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 636 transitions. [2020-07-28 19:04:28,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:28,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:28,492 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:28,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 19:04:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 265 transitions. [2020-07-28 19:04:28,497 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 265 transitions. Word has length 55 [2020-07-28 19:04:28,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:28,498 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 265 transitions. [2020-07-28 19:04:28,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 19:04:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2020-07-28 19:04:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-28 19:04:28,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:28,500 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, 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 19:04:28,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 19:04:28,714 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:28,715 INFO L82 PathProgramCache]: Analyzing trace with hash -2086945688, now seen corresponding path program 2 times [2020-07-28 19:04:28,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:28,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3179913] [2020-07-28 19:04:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:28,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {12817#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {12817#true} is VALID [2020-07-28 19:04:28,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {12817#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {12817#true} is VALID [2020-07-28 19:04:28,968 INFO L280 TraceCheckUtils]: 2: Hoare triple {12817#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {12817#true} is VALID [2020-07-28 19:04:28,968 INFO L280 TraceCheckUtils]: 3: Hoare triple {12817#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {12817#true} is VALID [2020-07-28 19:04:28,969 INFO L280 TraceCheckUtils]: 4: Hoare triple {12817#true} assume 0 != main_~tmp~4; {12817#true} is VALID [2020-07-28 19:04:28,969 INFO L280 TraceCheckUtils]: 5: Hoare triple {12817#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {12817#true} is VALID [2020-07-28 19:04:28,970 INFO L280 TraceCheckUtils]: 6: Hoare triple {12817#true} assume !false; {12817#true} is VALID [2020-07-28 19:04:28,970 INFO L280 TraceCheckUtils]: 7: Hoare triple {12817#true} assume test_~splverifierCounter~0 < 4; {12817#true} is VALID [2020-07-28 19:04:28,970 INFO L280 TraceCheckUtils]: 8: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {12817#true} is VALID [2020-07-28 19:04:28,970 INFO L280 TraceCheckUtils]: 9: Hoare triple {12817#true} assume 0 != test_~tmp~10; {12817#true} is VALID [2020-07-28 19:04:28,971 INFO L280 TraceCheckUtils]: 10: Hoare triple {12817#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {12817#true} is VALID [2020-07-28 19:04:28,971 INFO L280 TraceCheckUtils]: 11: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {12817#true} is VALID [2020-07-28 19:04:28,971 INFO L280 TraceCheckUtils]: 12: Hoare triple {12817#true} assume !(0 != test_~tmp___0~3); {12817#true} is VALID [2020-07-28 19:04:28,972 INFO L280 TraceCheckUtils]: 13: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {12817#true} is VALID [2020-07-28 19:04:28,972 INFO L280 TraceCheckUtils]: 14: Hoare triple {12817#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {12817#true} is VALID [2020-07-28 19:04:28,972 INFO L280 TraceCheckUtils]: 15: Hoare triple {12817#true} assume !(0 != ~pumpRunning~0); {12817#true} is VALID [2020-07-28 19:04:28,972 INFO L280 TraceCheckUtils]: 16: Hoare triple {12817#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {12817#true} is VALID [2020-07-28 19:04:28,973 INFO L280 TraceCheckUtils]: 17: Hoare triple {12817#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {12817#true} is VALID [2020-07-28 19:04:28,973 INFO L280 TraceCheckUtils]: 18: Hoare triple {12817#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {12817#true} is VALID [2020-07-28 19:04:28,973 INFO L280 TraceCheckUtils]: 19: Hoare triple {12817#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {12817#true} is VALID [2020-07-28 19:04:28,973 INFO L280 TraceCheckUtils]: 20: Hoare triple {12817#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {12817#true} is VALID [2020-07-28 19:04:28,973 INFO L280 TraceCheckUtils]: 21: Hoare triple {12817#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {12817#true} is VALID [2020-07-28 19:04:28,974 INFO L280 TraceCheckUtils]: 22: Hoare triple {12817#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {12817#true} is VALID [2020-07-28 19:04:28,974 INFO L280 TraceCheckUtils]: 23: Hoare triple {12817#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {12817#true} is VALID [2020-07-28 19:04:28,974 INFO L280 TraceCheckUtils]: 24: Hoare triple {12817#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {12817#true} is VALID [2020-07-28 19:04:28,982 INFO L280 TraceCheckUtils]: 25: Hoare triple {12817#true} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {12817#true} is VALID [2020-07-28 19:04:28,983 INFO L280 TraceCheckUtils]: 26: Hoare triple {12817#true} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {12817#true} is VALID [2020-07-28 19:04:28,985 INFO L280 TraceCheckUtils]: 27: Hoare triple {12817#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {12817#true} is VALID [2020-07-28 19:04:28,986 INFO L280 TraceCheckUtils]: 28: Hoare triple {12817#true} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {12817#true} is VALID [2020-07-28 19:04:28,986 INFO L280 TraceCheckUtils]: 29: Hoare triple {12817#true} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {12817#true} is VALID [2020-07-28 19:04:28,987 INFO L280 TraceCheckUtils]: 30: Hoare triple {12817#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {12817#true} is VALID [2020-07-28 19:04:28,988 INFO L280 TraceCheckUtils]: 31: Hoare triple {12817#true} assume !false; {12817#true} is VALID [2020-07-28 19:04:28,989 INFO L280 TraceCheckUtils]: 32: Hoare triple {12817#true} assume test_~splverifierCounter~0 < 4; {12817#true} is VALID [2020-07-28 19:04:28,989 INFO L280 TraceCheckUtils]: 33: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {12817#true} is VALID [2020-07-28 19:04:28,991 INFO L280 TraceCheckUtils]: 34: Hoare triple {12817#true} assume !(0 != test_~tmp~10); {12817#true} is VALID [2020-07-28 19:04:28,992 INFO L280 TraceCheckUtils]: 35: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {12817#true} is VALID [2020-07-28 19:04:28,992 INFO L280 TraceCheckUtils]: 36: Hoare triple {12817#true} assume !(0 != test_~tmp___0~3); {12817#true} is VALID [2020-07-28 19:04:28,992 INFO L280 TraceCheckUtils]: 37: Hoare triple {12817#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {12817#true} is VALID [2020-07-28 19:04:28,993 INFO L280 TraceCheckUtils]: 38: Hoare triple {12817#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {12817#true} is VALID [2020-07-28 19:04:28,993 INFO L280 TraceCheckUtils]: 39: Hoare triple {12817#true} assume 0 != ~pumpRunning~0; {12817#true} is VALID [2020-07-28 19:04:28,993 INFO L280 TraceCheckUtils]: 40: Hoare triple {12817#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12817#true} is VALID [2020-07-28 19:04:28,996 INFO L280 TraceCheckUtils]: 41: Hoare triple {12817#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {12817#true} is VALID [2020-07-28 19:04:29,003 INFO L280 TraceCheckUtils]: 42: Hoare triple {12817#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {12819#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:29,006 INFO L280 TraceCheckUtils]: 43: Hoare triple {12819#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {12820#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:29,008 INFO L280 TraceCheckUtils]: 44: Hoare triple {12820#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (= 0 ~waterLevel~0))} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,009 INFO L280 TraceCheckUtils]: 45: Hoare triple {12821#(= 0 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,010 INFO L280 TraceCheckUtils]: 46: Hoare triple {12821#(= 0 ~waterLevel~0)} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,010 INFO L280 TraceCheckUtils]: 47: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,011 INFO L280 TraceCheckUtils]: 48: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,012 INFO L280 TraceCheckUtils]: 49: Hoare triple {12821#(= 0 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,013 INFO L280 TraceCheckUtils]: 50: Hoare triple {12821#(= 0 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,013 INFO L280 TraceCheckUtils]: 51: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,014 INFO L280 TraceCheckUtils]: 52: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !false; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,015 INFO L280 TraceCheckUtils]: 53: Hoare triple {12821#(= 0 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,015 INFO L280 TraceCheckUtils]: 54: Hoare triple {12821#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,016 INFO L280 TraceCheckUtils]: 55: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp~10); {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,017 INFO L280 TraceCheckUtils]: 56: Hoare triple {12821#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,017 INFO L280 TraceCheckUtils]: 57: Hoare triple {12821#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,018 INFO L280 TraceCheckUtils]: 58: Hoare triple {12821#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,019 INFO L280 TraceCheckUtils]: 59: Hoare triple {12821#(= 0 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,019 INFO L280 TraceCheckUtils]: 60: Hoare triple {12821#(= 0 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {12821#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:29,020 INFO L280 TraceCheckUtils]: 61: Hoare triple {12821#(= 0 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12818#false} is VALID [2020-07-28 19:04:29,020 INFO L280 TraceCheckUtils]: 62: Hoare triple {12818#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {12818#false} is VALID [2020-07-28 19:04:29,021 INFO L280 TraceCheckUtils]: 63: Hoare triple {12818#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {12818#false} is VALID [2020-07-28 19:04:29,021 INFO L280 TraceCheckUtils]: 64: Hoare triple {12818#false} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {12818#false} is VALID [2020-07-28 19:04:29,021 INFO L280 TraceCheckUtils]: 65: Hoare triple {12818#false} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {12818#false} is VALID [2020-07-28 19:04:29,021 INFO L280 TraceCheckUtils]: 66: Hoare triple {12818#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {12818#false} is VALID [2020-07-28 19:04:29,021 INFO L280 TraceCheckUtils]: 67: Hoare triple {12818#false} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {12818#false} is VALID [2020-07-28 19:04:29,022 INFO L280 TraceCheckUtils]: 68: Hoare triple {12818#false} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {12818#false} is VALID [2020-07-28 19:04:29,048 INFO L280 TraceCheckUtils]: 69: Hoare triple {12818#false} assume !(0 == ~pumpRunning~0); {12818#false} is VALID [2020-07-28 19:04:29,048 INFO L280 TraceCheckUtils]: 70: Hoare triple {12818#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {12818#false} is VALID [2020-07-28 19:04:29,048 INFO L280 TraceCheckUtils]: 71: Hoare triple {12818#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {12818#false} is VALID [2020-07-28 19:04:29,048 INFO L280 TraceCheckUtils]: 72: Hoare triple {12818#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {12818#false} is VALID [2020-07-28 19:04:29,048 INFO L280 TraceCheckUtils]: 73: Hoare triple {12818#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {12818#false} is VALID [2020-07-28 19:04:29,049 INFO L280 TraceCheckUtils]: 74: Hoare triple {12818#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {12818#false} is VALID [2020-07-28 19:04:29,049 INFO L280 TraceCheckUtils]: 75: Hoare triple {12818#false} assume !false; {12818#false} is VALID [2020-07-28 19:04:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:29,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3179913] [2020-07-28 19:04:29,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:29,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:29,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251514697] [2020-07-28 19:04:29,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:29,058 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:29,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:29,148 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:29,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:29,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:29,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:29,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:29,150 INFO L87 Difference]: Start difference. First operand 202 states and 265 transitions. Second operand 5 states. [2020-07-28 19:04:30,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:30,975 INFO L93 Difference]: Finished difference Result 619 states and 818 transitions. [2020-07-28 19:04:30,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:30,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:30,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2020-07-28 19:04:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2020-07-28 19:04:30,978 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 242 transitions. [2020-07-28 19:04:31,274 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 19:04:31,287 INFO L225 Difference]: With dead ends: 619 [2020-07-28 19:04:31,287 INFO L226 Difference]: Without dead ends: 422 [2020-07-28 19:04:31,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:31,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-28 19:04:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 270. [2020-07-28 19:04:31,994 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:31,994 INFO L82 GeneralOperation]: Start isEquivalent. First operand 422 states. Second operand 270 states. [2020-07-28 19:04:31,994 INFO L74 IsIncluded]: Start isIncluded. First operand 422 states. Second operand 270 states. [2020-07-28 19:04:31,994 INFO L87 Difference]: Start difference. First operand 422 states. Second operand 270 states. [2020-07-28 19:04:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,011 INFO L93 Difference]: Finished difference Result 422 states and 549 transitions. [2020-07-28 19:04:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 549 transitions. [2020-07-28 19:04:32,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,012 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 422 states. [2020-07-28 19:04:32,013 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 422 states. [2020-07-28 19:04:32,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,025 INFO L93 Difference]: Finished difference Result 422 states and 549 transitions. [2020-07-28 19:04:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 549 transitions. [2020-07-28 19:04:32,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,026 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:32,026 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-28 19:04:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 353 transitions. [2020-07-28 19:04:32,033 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 353 transitions. Word has length 76 [2020-07-28 19:04:32,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:32,034 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 353 transitions. [2020-07-28 19:04:32,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 353 transitions. [2020-07-28 19:04:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-28 19:04:32,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:32,035 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, 1, 1, 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 19:04:32,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:04:32,036 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:32,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2020-07-28 19:04:32,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:32,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495704299] [2020-07-28 19:04:32,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:32,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {14895#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {14895#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {14895#true} is VALID [2020-07-28 19:04:32,141 INFO L280 TraceCheckUtils]: 2: Hoare triple {14895#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {14895#true} is VALID [2020-07-28 19:04:32,141 INFO L280 TraceCheckUtils]: 3: Hoare triple {14895#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {14895#true} is VALID [2020-07-28 19:04:32,141 INFO L280 TraceCheckUtils]: 4: Hoare triple {14895#true} assume 0 != main_~tmp~4; {14895#true} is VALID [2020-07-28 19:04:32,142 INFO L280 TraceCheckUtils]: 5: Hoare triple {14895#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14895#true} is VALID [2020-07-28 19:04:32,142 INFO L280 TraceCheckUtils]: 6: Hoare triple {14895#true} assume !false; {14895#true} is VALID [2020-07-28 19:04:32,142 INFO L280 TraceCheckUtils]: 7: Hoare triple {14895#true} assume test_~splverifierCounter~0 < 4; {14895#true} is VALID [2020-07-28 19:04:32,143 INFO L280 TraceCheckUtils]: 8: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14895#true} is VALID [2020-07-28 19:04:32,143 INFO L280 TraceCheckUtils]: 9: Hoare triple {14895#true} assume 0 != test_~tmp~10; {14895#true} is VALID [2020-07-28 19:04:32,143 INFO L280 TraceCheckUtils]: 10: Hoare triple {14895#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14895#true} is VALID [2020-07-28 19:04:32,143 INFO L280 TraceCheckUtils]: 11: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14895#true} is VALID [2020-07-28 19:04:32,143 INFO L280 TraceCheckUtils]: 12: Hoare triple {14895#true} assume !(0 != test_~tmp___0~3); {14895#true} is VALID [2020-07-28 19:04:32,144 INFO L280 TraceCheckUtils]: 13: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14895#true} is VALID [2020-07-28 19:04:32,146 INFO L280 TraceCheckUtils]: 14: Hoare triple {14895#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14897#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:32,146 INFO L280 TraceCheckUtils]: 15: Hoare triple {14897#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {14897#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:32,146 INFO L280 TraceCheckUtils]: 16: Hoare triple {14897#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14895#true} is VALID [2020-07-28 19:04:32,147 INFO L280 TraceCheckUtils]: 17: Hoare triple {14895#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14895#true} is VALID [2020-07-28 19:04:32,147 INFO L280 TraceCheckUtils]: 18: Hoare triple {14895#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {14895#true} is VALID [2020-07-28 19:04:32,147 INFO L280 TraceCheckUtils]: 19: Hoare triple {14895#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {14895#true} is VALID [2020-07-28 19:04:32,147 INFO L280 TraceCheckUtils]: 20: Hoare triple {14895#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 21: Hoare triple {14895#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 22: Hoare triple {14895#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 23: Hoare triple {14895#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 24: Hoare triple {14895#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 25: Hoare triple {14895#true} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {14895#true} is VALID [2020-07-28 19:04:32,148 INFO L280 TraceCheckUtils]: 26: Hoare triple {14895#true} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {14895#true} is VALID [2020-07-28 19:04:32,149 INFO L280 TraceCheckUtils]: 27: Hoare triple {14895#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,149 INFO L280 TraceCheckUtils]: 28: Hoare triple {14895#true} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14895#true} is VALID [2020-07-28 19:04:32,149 INFO L280 TraceCheckUtils]: 29: Hoare triple {14895#true} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14895#true} is VALID [2020-07-28 19:04:32,149 INFO L280 TraceCheckUtils]: 30: Hoare triple {14895#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {14895#true} is VALID [2020-07-28 19:04:32,149 INFO L280 TraceCheckUtils]: 31: Hoare triple {14895#true} assume !false; {14895#true} is VALID [2020-07-28 19:04:32,150 INFO L280 TraceCheckUtils]: 32: Hoare triple {14895#true} assume test_~splverifierCounter~0 < 4; {14895#true} is VALID [2020-07-28 19:04:32,150 INFO L280 TraceCheckUtils]: 33: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14895#true} is VALID [2020-07-28 19:04:32,150 INFO L280 TraceCheckUtils]: 34: Hoare triple {14895#true} assume !(0 != test_~tmp~10); {14895#true} is VALID [2020-07-28 19:04:32,150 INFO L280 TraceCheckUtils]: 35: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14895#true} is VALID [2020-07-28 19:04:32,151 INFO L280 TraceCheckUtils]: 36: Hoare triple {14895#true} assume !(0 != test_~tmp___0~3); {14895#true} is VALID [2020-07-28 19:04:32,151 INFO L280 TraceCheckUtils]: 37: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14895#true} is VALID [2020-07-28 19:04:32,151 INFO L280 TraceCheckUtils]: 38: Hoare triple {14895#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,152 INFO L280 TraceCheckUtils]: 39: Hoare triple {14895#true} assume 0 != ~pumpRunning~0; {14895#true} is VALID [2020-07-28 19:04:32,152 INFO L280 TraceCheckUtils]: 40: Hoare triple {14895#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14895#true} is VALID [2020-07-28 19:04:32,152 INFO L280 TraceCheckUtils]: 41: Hoare triple {14895#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14895#true} is VALID [2020-07-28 19:04:32,152 INFO L280 TraceCheckUtils]: 42: Hoare triple {14895#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {14895#true} is VALID [2020-07-28 19:04:32,152 INFO L280 TraceCheckUtils]: 43: Hoare triple {14895#true} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {14895#true} is VALID [2020-07-28 19:04:32,154 INFO L280 TraceCheckUtils]: 44: Hoare triple {14895#true} assume !(0 != isLowWaterLevel_~tmp~9);isLowWaterLevel_~tmp___0~2 := 1; {14898#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} is VALID [2020-07-28 19:04:32,154 INFO L280 TraceCheckUtils]: 45: Hoare triple {14898#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {14899#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:04:32,157 INFO L280 TraceCheckUtils]: 46: Hoare triple {14899#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {14900#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} is VALID [2020-07-28 19:04:32,157 INFO L280 TraceCheckUtils]: 47: Hoare triple {14900#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14896#false} is VALID [2020-07-28 19:04:32,157 INFO L280 TraceCheckUtils]: 48: Hoare triple {14896#false} assume !(0 == ~pumpRunning~0); {14896#false} is VALID [2020-07-28 19:04:32,158 INFO L280 TraceCheckUtils]: 49: Hoare triple {14896#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14896#false} is VALID [2020-07-28 19:04:32,158 INFO L280 TraceCheckUtils]: 50: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14896#false} is VALID [2020-07-28 19:04:32,158 INFO L280 TraceCheckUtils]: 51: Hoare triple {14896#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {14896#false} is VALID [2020-07-28 19:04:32,158 INFO L280 TraceCheckUtils]: 52: Hoare triple {14896#false} assume !false; {14896#false} is VALID [2020-07-28 19:04:32,158 INFO L280 TraceCheckUtils]: 53: Hoare triple {14896#false} assume test_~splverifierCounter~0 < 4; {14896#false} is VALID [2020-07-28 19:04:32,159 INFO L280 TraceCheckUtils]: 54: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14896#false} is VALID [2020-07-28 19:04:32,159 INFO L280 TraceCheckUtils]: 55: Hoare triple {14896#false} assume !(0 != test_~tmp~10); {14896#false} is VALID [2020-07-28 19:04:32,159 INFO L280 TraceCheckUtils]: 56: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14896#false} is VALID [2020-07-28 19:04:32,159 INFO L280 TraceCheckUtils]: 57: Hoare triple {14896#false} assume !(0 != test_~tmp___0~3); {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 58: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 59: Hoare triple {14896#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 60: Hoare triple {14896#false} assume 0 != ~pumpRunning~0; {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 61: Hoare triple {14896#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 62: Hoare triple {14896#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14896#false} is VALID [2020-07-28 19:04:32,160 INFO L280 TraceCheckUtils]: 63: Hoare triple {14896#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 64: Hoare triple {14896#false} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 65: Hoare triple {14896#false} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 66: Hoare triple {14896#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 67: Hoare triple {14896#false} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 68: Hoare triple {14896#false} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 69: Hoare triple {14896#false} assume !(0 == ~pumpRunning~0); {14896#false} is VALID [2020-07-28 19:04:32,161 INFO L280 TraceCheckUtils]: 70: Hoare triple {14896#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14896#false} is VALID [2020-07-28 19:04:32,162 INFO L280 TraceCheckUtils]: 71: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14896#false} is VALID [2020-07-28 19:04:32,162 INFO L280 TraceCheckUtils]: 72: Hoare triple {14896#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {14896#false} is VALID [2020-07-28 19:04:32,162 INFO L280 TraceCheckUtils]: 73: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {14896#false} is VALID [2020-07-28 19:04:32,162 INFO L280 TraceCheckUtils]: 74: Hoare triple {14896#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14896#false} is VALID [2020-07-28 19:04:32,163 INFO L280 TraceCheckUtils]: 75: Hoare triple {14896#false} assume !false; {14896#false} is VALID [2020-07-28 19:04:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-28 19:04:32,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495704299] [2020-07-28 19:04:32,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490918652] [2020-07-28 19:04:32,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 19:04:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:32,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:04:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:32,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:32,545 INFO L280 TraceCheckUtils]: 0: Hoare triple {14895#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,545 INFO L280 TraceCheckUtils]: 1: Hoare triple {14895#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {14895#true} is VALID [2020-07-28 19:04:32,545 INFO L280 TraceCheckUtils]: 2: Hoare triple {14895#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {14895#true} is VALID [2020-07-28 19:04:32,545 INFO L280 TraceCheckUtils]: 3: Hoare triple {14895#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {14895#true} is VALID [2020-07-28 19:04:32,546 INFO L280 TraceCheckUtils]: 4: Hoare triple {14895#true} assume 0 != main_~tmp~4; {14895#true} is VALID [2020-07-28 19:04:32,546 INFO L280 TraceCheckUtils]: 5: Hoare triple {14895#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14895#true} is VALID [2020-07-28 19:04:32,546 INFO L280 TraceCheckUtils]: 6: Hoare triple {14895#true} assume !false; {14895#true} is VALID [2020-07-28 19:04:32,546 INFO L280 TraceCheckUtils]: 7: Hoare triple {14895#true} assume test_~splverifierCounter~0 < 4; {14895#true} is VALID [2020-07-28 19:04:32,548 INFO L280 TraceCheckUtils]: 8: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14895#true} is VALID [2020-07-28 19:04:32,548 INFO L280 TraceCheckUtils]: 9: Hoare triple {14895#true} assume 0 != test_~tmp~10; {14895#true} is VALID [2020-07-28 19:04:32,548 INFO L280 TraceCheckUtils]: 10: Hoare triple {14895#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14895#true} is VALID [2020-07-28 19:04:32,548 INFO L280 TraceCheckUtils]: 11: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14895#true} is VALID [2020-07-28 19:04:32,548 INFO L280 TraceCheckUtils]: 12: Hoare triple {14895#true} assume !(0 != test_~tmp___0~3); {14895#true} is VALID [2020-07-28 19:04:32,549 INFO L280 TraceCheckUtils]: 13: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14895#true} is VALID [2020-07-28 19:04:32,549 INFO L280 TraceCheckUtils]: 14: Hoare triple {14895#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,549 INFO L280 TraceCheckUtils]: 15: Hoare triple {14895#true} assume !(0 != ~pumpRunning~0); {14895#true} is VALID [2020-07-28 19:04:32,549 INFO L280 TraceCheckUtils]: 16: Hoare triple {14895#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14895#true} is VALID [2020-07-28 19:04:32,550 INFO L280 TraceCheckUtils]: 17: Hoare triple {14895#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14895#true} is VALID [2020-07-28 19:04:32,550 INFO L280 TraceCheckUtils]: 18: Hoare triple {14895#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {14895#true} is VALID [2020-07-28 19:04:32,550 INFO L280 TraceCheckUtils]: 19: Hoare triple {14895#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {14895#true} is VALID [2020-07-28 19:04:32,550 INFO L280 TraceCheckUtils]: 20: Hoare triple {14895#true} isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret69 && isHighWaterLevel_#t~ret69 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; {14895#true} is VALID [2020-07-28 19:04:32,550 INFO L280 TraceCheckUtils]: 21: Hoare triple {14895#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {14895#true} is VALID [2020-07-28 19:04:32,551 INFO L280 TraceCheckUtils]: 22: Hoare triple {14895#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {14895#true} is VALID [2020-07-28 19:04:32,551 INFO L280 TraceCheckUtils]: 23: Hoare triple {14895#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {14895#true} is VALID [2020-07-28 19:04:32,551 INFO L280 TraceCheckUtils]: 24: Hoare triple {14895#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret51, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret52, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {14895#true} is VALID [2020-07-28 19:04:32,552 INFO L280 TraceCheckUtils]: 25: Hoare triple {14895#true} isMethaneAlarm_#t~ret52 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret52 && isMethaneAlarm_#t~ret52 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret52;havoc isMethaneAlarm_#t~ret52;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {14895#true} is VALID [2020-07-28 19:04:32,552 INFO L280 TraceCheckUtils]: 26: Hoare triple {14895#true} activatePump_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret51 && activatePump_#t~ret51 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret51;havoc activatePump_#t~ret51; {14895#true} is VALID [2020-07-28 19:04:32,552 INFO L280 TraceCheckUtils]: 27: Hoare triple {14895#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,552 INFO L280 TraceCheckUtils]: 28: Hoare triple {14895#true} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 29: Hoare triple {14895#true} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 30: Hoare triple {14895#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 31: Hoare triple {14895#true} assume !false; {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 32: Hoare triple {14895#true} assume test_~splverifierCounter~0 < 4; {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 33: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14895#true} is VALID [2020-07-28 19:04:32,553 INFO L280 TraceCheckUtils]: 34: Hoare triple {14895#true} assume !(0 != test_~tmp~10); {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 35: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 36: Hoare triple {14895#true} assume !(0 != test_~tmp___0~3); {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 37: Hoare triple {14895#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 38: Hoare triple {14895#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 39: Hoare triple {14895#true} assume 0 != ~pumpRunning~0; {14895#true} is VALID [2020-07-28 19:04:32,554 INFO L280 TraceCheckUtils]: 40: Hoare triple {14895#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14895#true} is VALID [2020-07-28 19:04:32,564 INFO L280 TraceCheckUtils]: 41: Hoare triple {14895#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14895#true} is VALID [2020-07-28 19:04:32,565 INFO L280 TraceCheckUtils]: 42: Hoare triple {14895#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {14895#true} is VALID [2020-07-28 19:04:32,565 INFO L280 TraceCheckUtils]: 43: Hoare triple {14895#true} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {14895#true} is VALID [2020-07-28 19:04:32,574 INFO L280 TraceCheckUtils]: 44: Hoare triple {14895#true} assume !(0 != isLowWaterLevel_~tmp~9);isLowWaterLevel_~tmp___0~2 := 1; {15036#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} is VALID [2020-07-28 19:04:32,575 INFO L280 TraceCheckUtils]: 45: Hoare triple {15036#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {15040#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:32,576 INFO L280 TraceCheckUtils]: 46: Hoare triple {15040#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {15044#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} is VALID [2020-07-28 19:04:32,577 INFO L280 TraceCheckUtils]: 47: Hoare triple {15044#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14896#false} is VALID [2020-07-28 19:04:32,577 INFO L280 TraceCheckUtils]: 48: Hoare triple {14896#false} assume !(0 == ~pumpRunning~0); {14896#false} is VALID [2020-07-28 19:04:32,577 INFO L280 TraceCheckUtils]: 49: Hoare triple {14896#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14896#false} is VALID [2020-07-28 19:04:32,577 INFO L280 TraceCheckUtils]: 50: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14896#false} is VALID [2020-07-28 19:04:32,577 INFO L280 TraceCheckUtils]: 51: Hoare triple {14896#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 52: Hoare triple {14896#false} assume !false; {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 53: Hoare triple {14896#false} assume test_~splverifierCounter~0 < 4; {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 54: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 55: Hoare triple {14896#false} assume !(0 != test_~tmp~10); {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 56: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 57: Hoare triple {14896#false} assume !(0 != test_~tmp___0~3); {14896#false} is VALID [2020-07-28 19:04:32,578 INFO L280 TraceCheckUtils]: 58: Hoare triple {14896#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {14896#false} is VALID [2020-07-28 19:04:32,579 INFO L280 TraceCheckUtils]: 59: Hoare triple {14896#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14896#false} is VALID [2020-07-28 19:04:32,579 INFO L280 TraceCheckUtils]: 60: Hoare triple {14896#false} assume 0 != ~pumpRunning~0; {14896#false} is VALID [2020-07-28 19:04:32,579 INFO L280 TraceCheckUtils]: 61: Hoare triple {14896#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14896#false} is VALID [2020-07-28 19:04:32,579 INFO L280 TraceCheckUtils]: 62: Hoare triple {14896#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14896#false} is VALID [2020-07-28 19:04:32,580 INFO L280 TraceCheckUtils]: 63: Hoare triple {14896#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret70, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {14896#false} is VALID [2020-07-28 19:04:32,580 INFO L280 TraceCheckUtils]: 64: Hoare triple {14896#false} isLowWaterLevel_#t~ret70 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret70 && isLowWaterLevel_#t~ret70 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret70;havoc isLowWaterLevel_#t~ret70; {14896#false} is VALID [2020-07-28 19:04:32,580 INFO L280 TraceCheckUtils]: 65: Hoare triple {14896#false} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~2 := 0; {14896#false} is VALID [2020-07-28 19:04:32,580 INFO L280 TraceCheckUtils]: 66: Hoare triple {14896#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {14896#false} is VALID [2020-07-28 19:04:32,580 INFO L280 TraceCheckUtils]: 67: Hoare triple {14896#false} processEnvironment_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret50 && processEnvironment_#t~ret50 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; {14896#false} is VALID [2020-07-28 19:04:32,581 INFO L280 TraceCheckUtils]: 68: Hoare triple {14896#false} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14896#false} is VALID [2020-07-28 19:04:32,581 INFO L280 TraceCheckUtils]: 69: Hoare triple {14896#false} assume !(0 == ~pumpRunning~0); {14896#false} is VALID [2020-07-28 19:04:32,581 INFO L280 TraceCheckUtils]: 70: Hoare triple {14896#false} havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {14896#false} is VALID [2020-07-28 19:04:32,582 INFO L280 TraceCheckUtils]: 71: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret35 && __utac_acc__Specification4_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; {14896#false} is VALID [2020-07-28 19:04:32,582 INFO L280 TraceCheckUtils]: 72: Hoare triple {14896#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {14896#false} is VALID [2020-07-28 19:04:32,582 INFO L280 TraceCheckUtils]: 73: Hoare triple {14896#false} __utac_acc__Specification4_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret36 && __utac_acc__Specification4_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; {14896#false} is VALID [2020-07-28 19:04:32,582 INFO L280 TraceCheckUtils]: 74: Hoare triple {14896#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14896#false} is VALID [2020-07-28 19:04:32,582 INFO L280 TraceCheckUtils]: 75: Hoare triple {14896#false} assume !false; {14896#false} is VALID [2020-07-28 19:04:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 19:04:32,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:04:32,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 19:04:32,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386782200] [2020-07-28 19:04:32,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:32,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:32,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:32,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:32,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:32,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:32,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:32,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:32,661 INFO L87 Difference]: Start difference. First operand 270 states and 353 transitions. Second operand 5 states. [2020-07-28 19:04:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,637 INFO L93 Difference]: Finished difference Result 466 states and 605 transitions. [2020-07-28 19:04:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:33,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2020-07-28 19:04:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2020-07-28 19:04:33,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 194 transitions. [2020-07-28 19:04:33,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:33,856 INFO L225 Difference]: With dead ends: 466 [2020-07-28 19:04:33,856 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:04:33,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:04:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:04:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:04:33,858 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:33,858 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:33,858 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:33,858 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,859 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:33,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:33,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:33,859 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:33,859 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,859 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:33,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:33,860 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:33,860 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:33,860 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:04:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:04:33,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-07-28 19:04:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:33,861 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:04:33,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:33,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-28 19:04:34,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:04:34,173 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-07-28 19:04:34,366 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2020-07-28 19:04:34,643 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2020-07-28 19:04:34,936 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2020-07-28 19:04:35,187 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 123 [2020-07-28 19:04:35,345 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 114 [2020-07-28 19:04:35,628 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 18 [2020-07-28 19:04:36,162 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2020-07-28 19:04:36,574 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 23 [2020-07-28 19:04:37,118 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2020-07-28 19:04:37,256 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 13 [2020-07-28 19:04:37,553 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 20 [2020-07-28 19:04:38,159 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2020-07-28 19:04:38,390 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 13 [2020-07-28 19:04:38,738 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2020-07-28 19:04:39,284 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2020-07-28 19:04:39,821 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 9 [2020-07-28 19:04:39,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,833 INFO L268 CegarLoopResult]: For program point L928(lines 927 974) no Hoare annotation was computed. [2020-07-28 19:04:39,833 INFO L268 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,833 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L796-6(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,834 INFO L268 CegarLoopResult]: For program point L796-8(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,835 INFO L268 CegarLoopResult]: For program point L796-10(lines 796 802) no Hoare annotation was computed. [2020-07-28 19:04:39,835 INFO L268 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-07-28 19:04:39,835 INFO L264 CegarLoopResult]: At program point L830(lines 825 833) the Hoare annotation is: false [2020-07-28 19:04:39,836 INFO L264 CegarLoopResult]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2020-07-28 19:04:39,836 INFO L264 CegarLoopResult]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2020-07-28 19:04:39,836 INFO L264 CegarLoopResult]: At program point L566-2(lines 566 580) the Hoare annotation is: false [2020-07-28 19:04:39,836 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-28 19:04:39,836 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,836 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,837 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,837 INFO L268 CegarLoopResult]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,838 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L898-5(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L898-8(lines 898 902) no Hoare annotation was computed. [2020-07-28 19:04:39,839 INFO L268 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,840 INFO L268 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:04:39,840 INFO L268 CegarLoopResult]: For program point L469(lines 469 473) no Hoare annotation was computed. [2020-07-28 19:04:39,840 INFO L268 CegarLoopResult]: For program point L965(lines 965 969) no Hoare annotation was computed. [2020-07-28 19:04:39,841 INFO L264 CegarLoopResult]: At program point L965-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~waterLevel~0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:04:39,841 INFO L264 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,841 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-28 19:04:39,841 INFO L264 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2020-07-28 19:04:39,841 INFO L264 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point L570-1(lines 701 707) no Hoare annotation was computed. [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,842 INFO L268 CegarLoopResult]: For program point L439-2(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,843 INFO L268 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:04:39,844 INFO L264 CegarLoopResult]: At program point L539(lines 530 543) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (= 0 ~pumpRunning~0) (= 0 ULTIMATE.start_processEnvironment_~tmp~6) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,844 INFO L264 CegarLoopResult]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:39,844 INFO L264 CegarLoopResult]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2020-07-28 19:04:39,844 INFO L264 CegarLoopResult]: At program point L539-3(lines 530 543) the Hoare annotation is: false [2020-07-28 19:04:39,844 INFO L264 CegarLoopResult]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2020-07-28 19:04:39,845 INFO L264 CegarLoopResult]: At program point L539-5(lines 530 543) the Hoare annotation is: false [2020-07-28 19:04:39,845 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-28 19:04:39,845 INFO L264 CegarLoopResult]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~waterLevel~0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:04:39,845 INFO L264 CegarLoopResult]: At program point L904(lines 889 907) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,845 INFO L264 CegarLoopResult]: At program point L904-1(lines 889 907) the Hoare annotation is: false [2020-07-28 19:04:39,846 INFO L264 CegarLoopResult]: At program point L904-2(lines 889 907) the Hoare annotation is: false [2020-07-28 19:04:39,846 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:04:39,846 INFO L264 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2020-07-28 19:04:39,846 INFO L268 CegarLoopResult]: For program point L642(lines 642 649) no Hoare annotation was computed. [2020-07-28 19:04:39,846 INFO L264 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2020-07-28 19:04:39,846 INFO L271 CegarLoopResult]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2020-07-28 19:04:39,847 INFO L264 CegarLoopResult]: At program point L975(lines 926 976) the Hoare annotation is: false [2020-07-28 19:04:39,847 INFO L264 CegarLoopResult]: At program point L678(lines 1 982) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,847 INFO L268 CegarLoopResult]: For program point L481(lines 481 485) no Hoare annotation was computed. [2020-07-28 19:04:39,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,847 INFO L268 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-5(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L264 CegarLoopResult]: At program point L615(lines 611 617) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-8(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L268 CegarLoopResult]: For program point L879-9(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,848 INFO L264 CegarLoopResult]: At program point L549(lines 544 552) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,848 INFO L264 CegarLoopResult]: At program point L549-1(lines 544 552) the Hoare annotation is: false [2020-07-28 19:04:39,849 INFO L268 CegarLoopResult]: For program point L879-11(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,849 INFO L264 CegarLoopResult]: At program point L549-2(lines 544 552) the Hoare annotation is: false [2020-07-28 19:04:39,849 INFO L268 CegarLoopResult]: For program point L879-12(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,849 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-28 19:04:39,849 INFO L268 CegarLoopResult]: For program point L879-14(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,850 INFO L264 CegarLoopResult]: At program point L417-1(lines 1 982) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~waterLevel~0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse1))) [2020-07-28 19:04:39,850 INFO L268 CegarLoopResult]: For program point L879-15(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,850 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2020-07-28 19:04:39,850 INFO L264 CegarLoopResult]: At program point L417-3(lines 1 982) the Hoare annotation is: false [2020-07-28 19:04:39,850 INFO L268 CegarLoopResult]: For program point L879-17(lines 879 883) no Hoare annotation was computed. [2020-07-28 19:04:39,850 INFO L268 CegarLoopResult]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2020-07-28 19:04:39,851 INFO L264 CegarLoopResult]: At program point L417-5(lines 1 982) the Hoare annotation is: false [2020-07-28 19:04:39,851 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-28 19:04:39,851 INFO L264 CegarLoopResult]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~waterLevel~0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:04:39,851 INFO L271 CegarLoopResult]: At program point L651(lines 632 654) the Hoare annotation is: true [2020-07-28 19:04:39,851 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-28 19:04:39,852 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2020-07-28 19:04:39,852 INFO L268 CegarLoopResult]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2020-07-28 19:04:39,852 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,852 INFO L264 CegarLoopResult]: At program point L686(lines 681 689) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,852 INFO L264 CegarLoopResult]: At program point L885(lines 870 888) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ~pumpRunning~0) (= 0 ULTIMATE.start_processEnvironment_~tmp~6) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,853 INFO L264 CegarLoopResult]: At program point L885-1(lines 870 888) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:39,853 INFO L264 CegarLoopResult]: At program point L885-2(lines 870 888) the Hoare annotation is: false [2020-07-28 19:04:39,853 INFO L264 CegarLoopResult]: At program point L885-3(lines 870 888) the Hoare annotation is: false [2020-07-28 19:04:39,853 INFO L264 CegarLoopResult]: At program point L885-4(lines 870 888) the Hoare annotation is: false [2020-07-28 19:04:39,853 INFO L264 CegarLoopResult]: At program point L885-5(lines 870 888) the Hoare annotation is: false [2020-07-28 19:04:39,854 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-07-28 19:04:39,854 INFO L268 CegarLoopResult]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2020-07-28 19:04:39,854 INFO L268 CegarLoopResult]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2020-07-28 19:04:39,854 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,854 INFO L264 CegarLoopResult]: At program point L821(lines 814 824) the Hoare annotation is: false [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L821-1(lines 814 824) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L821-3(lines 814 824) the Hoare annotation is: false [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L821-4(lines 814 824) the Hoare annotation is: false [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L821-5(lines 814 824) the Hoare annotation is: false [2020-07-28 19:04:39,855 INFO L264 CegarLoopResult]: At program point L526(lines 521 529) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:39,856 INFO L264 CegarLoopResult]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2020-07-28 19:04:39,856 INFO L264 CegarLoopResult]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2020-07-28 19:04:39,856 INFO L264 CegarLoopResult]: At program point L494(lines 489 497) the Hoare annotation is: false [2020-07-28 19:04:39,856 INFO L264 CegarLoopResult]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,856 INFO L264 CegarLoopResult]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2020-07-28 19:04:39,857 INFO L264 CegarLoopResult]: At program point L494-3(lines 489 497) the Hoare annotation is: false [2020-07-28 19:04:39,857 INFO L264 CegarLoopResult]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2020-07-28 19:04:39,857 INFO L264 CegarLoopResult]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2020-07-28 19:04:39,857 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,857 INFO L268 CegarLoopResult]: For program point L957(lines 957 970) no Hoare annotation was computed. [2020-07-28 19:04:39,858 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-28 19:04:39,858 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:04:39,858 INFO L268 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:04:39,858 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:04:39,862 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:04:39,863 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:04:39,867 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-28 19:04:39,868 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-28 19:04:39,868 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L929 has no Hoare annotation [2020-07-28 19:04:39,875 WARN L170 areAnnotationChecker]: L457-3 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L457-3 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:04:39,876 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L469 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L469 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L947 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L898-3 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L417-2 has no Hoare annotation [2020-07-28 19:04:39,877 WARN L170 areAnnotationChecker]: L947 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L947 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L898-3 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L898-3 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L534-3 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L534-3 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L417-2 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L417-2 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L957 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L898-5 has no Hoare annotation [2020-07-28 19:04:39,878 WARN L170 areAnnotationChecker]: L879-9 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L421-2 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L957 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L957 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L879-9 has no Hoare annotation [2020-07-28 19:04:39,879 WARN L170 areAnnotationChecker]: L879-9 has no Hoare annotation [2020-07-28 19:04:39,880 WARN L170 areAnnotationChecker]: L421-2 has no Hoare annotation [2020-07-28 19:04:39,880 WARN L170 areAnnotationChecker]: L421-2 has no Hoare annotation [2020-07-28 19:04:39,880 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-28 19:04:39,880 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L965 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L965 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L879-11 has no Hoare annotation [2020-07-28 19:04:39,882 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-28 19:04:39,883 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-28 19:04:39,883 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-28 19:04:39,883 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 19:04:39,883 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 19:04:39,883 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-28 19:04:39,890 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:04:39,891 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L570-1 has no Hoare annotation [2020-07-28 19:04:39,892 WARN L170 areAnnotationChecker]: L570-1 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L879-6 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L457-6 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L457-6 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 19:04:39,893 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L879-6 has no Hoare annotation [2020-07-28 19:04:39,894 WARN L170 areAnnotationChecker]: L879-6 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L796-6 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L898-2 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L879-3 has no Hoare annotation [2020-07-28 19:04:39,895 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L879-8 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L796-6 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L796-6 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L898-6 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L417-4 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L879-3 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L879-3 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:04:39,896 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L898-6 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L898-6 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L534-5 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L534-5 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L417-4 has no Hoare annotation [2020-07-28 19:04:39,897 WARN L170 areAnnotationChecker]: L417-4 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L879-5 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 19:04:39,898 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L898-8 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L879-15 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L421-4 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:04:39,899 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L879-15 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L879-15 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L421-4 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L421-4 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:04:39,900 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:04:39,901 WARN L170 areAnnotationChecker]: L879-17 has no Hoare annotation [2020-07-28 19:04:39,901 WARN L170 areAnnotationChecker]: L439-2 has no Hoare annotation [2020-07-28 19:04:39,901 WARN L170 areAnnotationChecker]: L439-2 has no Hoare annotation [2020-07-28 19:04:39,901 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:04:39,903 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L534-4 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L534-4 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:04:39,904 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L879-2 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L879-12 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L879-12 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L879-12 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L796-10 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:04:39,905 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L879-14 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796-10 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796-10 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796-8 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796-8 has no Hoare annotation [2020-07-28 19:04:39,906 WARN L170 areAnnotationChecker]: L796-8 has no Hoare annotation [2020-07-28 19:04:39,907 INFO L163 areAnnotationChecker]: CFG has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:04:39,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:04:39 BoogieIcfgContainer [2020-07-28 19:04:39,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:04:39,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:04:39,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:04:39,949 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:04:39,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:08" (3/4) ... [2020-07-28 19:04:39,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:04:39,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:04:39,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:04:39,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:04:39,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:04:39,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:04:39,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:39,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:40,012 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && waterLevel == systemActive) && 0 == pumpRunning) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) [2020-07-28 19:04:40,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 == systemActive) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:40,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive [2020-07-28 19:04:40,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:40,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 1 <= tmp___0) && 1 == systemActive [2020-07-28 19:04:40,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((1 == \result && 0 == tmp___0) && 0 == splverifierCounter) && 1 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:40,020 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 1 == \result) && 0 == splverifierCounter) && 0 == tmp) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:04:40,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == \result && 1 == \result) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == tmp) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:04:40,131 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:04:40,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:04:40,133 INFO L168 Benchmark]: Toolchain (without parser) took 34335.31 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 542.6 MB). Free memory was 962.9 MB in the beginning and 1.4 GB in the end (delta: -404.5 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:40,134 INFO L168 Benchmark]: CDTParser took 0.67 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 19:04:40,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:40,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:40,135 INFO L168 Benchmark]: Boogie Preprocessor took 66.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:40,136 INFO L168 Benchmark]: RCFGBuilder took 1777.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.4 MB in the end (delta: 198.1 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:40,136 INFO L168 Benchmark]: TraceAbstraction took 31407.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.2 MB). Free memory was 907.4 MB in the beginning and 1.4 GB in the end (delta: -474.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:40,136 INFO L168 Benchmark]: Witness Printer took 183.04 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:40,138 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 0.67 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 757.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1777.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.4 MB in the end (delta: 198.1 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31407.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.2 MB). Free memory was 907.4 MB in the beginning and 1.4 GB in the end (delta: -474.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 183.04 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: 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: 521]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 == systemActive) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && waterLevel == systemActive) && 0 == pumpRunning) && 1 == systemActive) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((1 == \result && 0 == tmp___0) && 0 == splverifierCounter) && 1 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && waterLevel == systemActive) && 0 == pumpRunning) && 1 == systemActive) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && waterLevel == systemActive) && 0 == pumpRunning) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((((0 == \result && 1 == \result) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == tmp) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && waterLevel == systemActive) && 0 == pumpRunning) && 1 == systemActive) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 1 <= tmp___0) && 1 == systemActive - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((0 == \result && 1 == \result) && 0 == splverifierCounter) && 0 == tmp) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1456 SDtfs, 2681 SDslu, 2523 SDs, 0 SdLazy, 391 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1276 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 132 NumberOfFragments, 422 HoareAnnotationTreeSize, 55 FomulaSimplifications, 662642 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 214012 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 714 NumberOfCodeBlocks, 714 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 58777 SizeOfPredicates, 8 NumberOfNonLiveVariables, 897 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 239/253 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...