./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_product59.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 5a35b365de7365eb1088366c2b8165f4a523d787 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:04:10,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:04:10,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:04:10,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:04:10,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:04:10,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:04:10,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:04:10,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:04:10,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:04:10,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:04:10,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:04:10,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:04:10,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:04:10,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:04:10,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:04:10,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:04:10,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:04:10,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:04:10,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:04:10,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:04:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:04:10,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:04:10,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:04:10,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:04:10,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:04:10,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:04:10,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:04:10,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:04:10,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:04:10,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:04:10,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:04:10,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:04:10,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:04:10,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:04:10,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:04:10,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:04:10,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:04:10,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:04:10,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:04:10,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:04:10,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:04:10,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:04:10,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:04:10,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:04:10,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:04:10,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:04:10,323 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:04:10,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:04:10,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:04:10,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:04:10,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:04:10,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:04:10,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:04:10,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:04:10,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:04:10,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:04:10,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:04:10,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:04:10,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:04:10,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:04:10,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:04:10,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:04:10,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:04:10,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:04:10,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:04:10,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:04:10,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:04:10,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:04:10,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:04:10,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:04:10,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:04:10,331 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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2020-07-28 19:04:10,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:04:10,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:04:10,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:04:10,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:04:10,657 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:04:10,658 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-07-28 19:04:10,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5dee1ea/3acbe48aa4e64047a269fdd3c28ccfe0/FLAG60d2319a5 [2020-07-28 19:04:11,240 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:04:11,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-07-28 19:04:11,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5dee1ea/3acbe48aa4e64047a269fdd3c28ccfe0/FLAG60d2319a5 [2020-07-28 19:04:11,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5dee1ea/3acbe48aa4e64047a269fdd3c28ccfe0 [2020-07-28 19:04:11,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:04:11,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:04:11,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:11,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:04:11,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:04:11,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:11" (1/1) ... [2020-07-28 19:04:11,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251766c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:11, skipping insertion in model container [2020-07-28 19:04:11,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:11" (1/1) ... [2020-07-28 19:04:11,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:04:11,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:04:12,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:12,125 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:04:12,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:12,365 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:04:12,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12 WrapperNode [2020-07-28 19:04:12,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:12,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:12,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:04:12,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:04:12,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:12,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:04:12,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:04:12,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:04:12,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (1/1) ... [2020-07-28 19:04:12,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:04:12,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:04:12,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:04:12,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:04:12,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (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 19:04:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:04:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:04:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:04:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:04:14,309 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:04:14,309 INFO L295 CfgBuilder]: Removed 196 assume(true) statements. [2020-07-28 19:04:14,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:14 BoogieIcfgContainer [2020-07-28 19:04:14,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:04:14,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:04:14,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:04:14,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:04:14,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:04:11" (1/3) ... [2020-07-28 19:04:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4880c488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:14, skipping insertion in model container [2020-07-28 19:04:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:12" (2/3) ... [2020-07-28 19:04:14,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4880c488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:14, skipping insertion in model container [2020-07-28 19:04:14,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:14" (3/3) ... [2020-07-28 19:04:14,326 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-07-28 19:04:14,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:04:14,349 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:04:14,364 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:04:14,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:04:14,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:04:14,393 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:04:14,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:04:14,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:04:14,394 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:04:14,394 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:04:14,394 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:04:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-28 19:04:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:04:14,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:14,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:14,424 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:14,431 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2020-07-28 19:04:14,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:14,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480885296] [2020-07-28 19:04:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:14,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {140#true} is VALID [2020-07-28 19:04:14,772 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {140#true} is VALID [2020-07-28 19:04:14,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {140#true} is VALID [2020-07-28 19:04:14,773 INFO L280 TraceCheckUtils]: 3: Hoare triple {140#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {140#true} is VALID [2020-07-28 19:04:14,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {140#true} assume 0 != main_~tmp~7; {140#true} is VALID [2020-07-28 19:04:14,775 INFO L280 TraceCheckUtils]: 5: Hoare triple {140#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {140#true} is VALID [2020-07-28 19:04:14,776 INFO L280 TraceCheckUtils]: 6: Hoare triple {140#true} assume false; {141#false} is VALID [2020-07-28 19:04:14,776 INFO L280 TraceCheckUtils]: 7: Hoare triple {141#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {141#false} is VALID [2020-07-28 19:04:14,777 INFO L280 TraceCheckUtils]: 8: Hoare triple {141#false} assume !(0 != ~pumpRunning~0); {141#false} is VALID [2020-07-28 19:04:14,778 INFO L280 TraceCheckUtils]: 9: Hoare triple {141#false} assume !(0 != ~systemActive~0); {141#false} is VALID [2020-07-28 19:04:14,778 INFO L280 TraceCheckUtils]: 10: Hoare triple {141#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {141#false} is VALID [2020-07-28 19:04:14,779 INFO L280 TraceCheckUtils]: 11: Hoare triple {141#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {141#false} is VALID [2020-07-28 19:04:14,779 INFO L280 TraceCheckUtils]: 12: Hoare triple {141#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {141#false} is VALID [2020-07-28 19:04:14,779 INFO L280 TraceCheckUtils]: 13: Hoare triple {141#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {141#false} is VALID [2020-07-28 19:04:14,780 INFO L280 TraceCheckUtils]: 14: Hoare triple {141#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {141#false} is VALID [2020-07-28 19:04:14,781 INFO L280 TraceCheckUtils]: 15: Hoare triple {141#false} assume !false; {141#false} is VALID [2020-07-28 19:04:14,784 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 19:04:14,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480885296] [2020-07-28 19:04:14,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:14,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:14,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072848070] [2020-07-28 19:04:14,795 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:14,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:14,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:04:14,842 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 19:04:14,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:04:14,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:14,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:04:14,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:04:14,856 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-07-28 19:04:15,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,236 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-07-28 19:04:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:04:15,237 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:04:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:04:15,259 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 401 transitions. [2020-07-28 19:04:15,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 401 edges. 401 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:15,806 INFO L225 Difference]: With dead ends: 268 [2020-07-28 19:04:15,807 INFO L226 Difference]: Without dead ends: 133 [2020-07-28 19:04:15,811 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 19:04:15,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-28 19:04:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-28 19:04:15,889 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:15,889 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 133 states. [2020-07-28 19:04:15,890 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:04:15,890 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:04:15,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,900 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:04:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:04:15,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:15,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:15,902 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:04:15,902 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:04:15,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,910 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:04:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:04:15,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:15,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:15,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:15,912 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-28 19:04:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-07-28 19:04:15,920 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-07-28 19:04:15,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:15,921 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-07-28 19:04:15,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:04:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:04:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:04:15,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:15,922 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 19:04:15,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:04:15,923 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:15,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:15,924 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2020-07-28 19:04:15,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:15,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658617619] [2020-07-28 19:04:15,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,076 INFO L280 TraceCheckUtils]: 0: Hoare triple {974#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {974#true} is VALID [2020-07-28 19:04:16,076 INFO L280 TraceCheckUtils]: 1: Hoare triple {974#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {974#true} is VALID [2020-07-28 19:04:16,076 INFO L280 TraceCheckUtils]: 2: Hoare triple {974#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {974#true} is VALID [2020-07-28 19:04:16,077 INFO L280 TraceCheckUtils]: 3: Hoare triple {974#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {974#true} is VALID [2020-07-28 19:04:16,077 INFO L280 TraceCheckUtils]: 4: Hoare triple {974#true} assume 0 != main_~tmp~7; {974#true} is VALID [2020-07-28 19:04:16,078 INFO L280 TraceCheckUtils]: 5: Hoare triple {974#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {976#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:16,079 INFO L280 TraceCheckUtils]: 6: Hoare triple {976#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {976#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:16,080 INFO L280 TraceCheckUtils]: 7: Hoare triple {976#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {975#false} is VALID [2020-07-28 19:04:16,080 INFO L280 TraceCheckUtils]: 8: Hoare triple {975#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {975#false} is VALID [2020-07-28 19:04:16,081 INFO L280 TraceCheckUtils]: 9: Hoare triple {975#false} assume !(0 != ~pumpRunning~0); {975#false} is VALID [2020-07-28 19:04:16,081 INFO L280 TraceCheckUtils]: 10: Hoare triple {975#false} assume !(0 != ~systemActive~0); {975#false} is VALID [2020-07-28 19:04:16,081 INFO L280 TraceCheckUtils]: 11: Hoare triple {975#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {975#false} is VALID [2020-07-28 19:04:16,081 INFO L280 TraceCheckUtils]: 12: Hoare triple {975#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {975#false} is VALID [2020-07-28 19:04:16,082 INFO L280 TraceCheckUtils]: 13: Hoare triple {975#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {975#false} is VALID [2020-07-28 19:04:16,082 INFO L280 TraceCheckUtils]: 14: Hoare triple {975#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {975#false} is VALID [2020-07-28 19:04:16,083 INFO L280 TraceCheckUtils]: 15: Hoare triple {975#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {975#false} is VALID [2020-07-28 19:04:16,083 INFO L280 TraceCheckUtils]: 16: Hoare triple {975#false} assume !false; {975#false} is VALID [2020-07-28 19:04:16,084 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 19:04:16,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658617619] [2020-07-28 19:04:16,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:16,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:16,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393692020] [2020-07-28 19:04:16,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:16,087 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:16,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:16,113 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 19:04:16,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:16,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:16,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:16,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:16,115 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-07-28 19:04:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,385 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:04:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:16,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:16,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:04:16,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:04:16,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 19:04:16,582 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:16,583 INFO L225 Difference]: With dead ends: 133 [2020-07-28 19:04:16,584 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 19:04:16,585 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 19:04:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 19:04:16,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 19:04:16,606 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:16,606 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 19:04:16,606 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:04:16,607 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:04:16,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,610 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:04:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:04:16,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,611 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:04:16,611 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:04:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,614 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:04:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:04:16,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,615 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:16,616 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:04:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-07-28 19:04:16,618 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-07-28 19:04:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:16,619 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-07-28 19:04:16,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:04:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:04:16,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:16,620 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 19:04:16,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:04:16,621 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:16,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:16,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2020-07-28 19:04:16,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:16,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796952467] [2020-07-28 19:04:16,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {1353#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1355#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:16,762 INFO L280 TraceCheckUtils]: 1: Hoare triple {1355#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {1355#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:16,763 INFO L280 TraceCheckUtils]: 2: Hoare triple {1355#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1356#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:04:16,765 INFO L280 TraceCheckUtils]: 3: Hoare triple {1356#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {1357#(= ULTIMATE.start_main_~tmp~7 ~systemActive~0)} is VALID [2020-07-28 19:04:16,766 INFO L280 TraceCheckUtils]: 4: Hoare triple {1357#(= ULTIMATE.start_main_~tmp~7 ~systemActive~0)} assume 0 != main_~tmp~7; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,767 INFO L280 TraceCheckUtils]: 5: Hoare triple {1358#(not (= 0 ~systemActive~0))} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume !false; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,769 INFO L280 TraceCheckUtils]: 7: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,770 INFO L280 TraceCheckUtils]: 8: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,771 INFO L280 TraceCheckUtils]: 9: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~1); {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,772 INFO L280 TraceCheckUtils]: 10: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,773 INFO L280 TraceCheckUtils]: 11: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,774 INFO L280 TraceCheckUtils]: 12: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,775 INFO L280 TraceCheckUtils]: 13: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,776 INFO L280 TraceCheckUtils]: 14: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1358#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:16,777 INFO L280 TraceCheckUtils]: 15: Hoare triple {1358#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1354#false} is VALID [2020-07-28 19:04:16,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {1354#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1354#false} is VALID [2020-07-28 19:04:16,778 INFO L280 TraceCheckUtils]: 17: Hoare triple {1354#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1354#false} is VALID [2020-07-28 19:04:16,778 INFO L280 TraceCheckUtils]: 18: Hoare triple {1354#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1354#false} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 19: Hoare triple {1354#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {1354#false} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 20: Hoare triple {1354#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1354#false} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 21: Hoare triple {1354#false} assume !false; {1354#false} is VALID [2020-07-28 19:04:16,781 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 19:04:16,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796952467] [2020-07-28 19:04:16,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:16,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:16,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305384985] [2020-07-28 19:04:16,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:04:16,782 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:16,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:16,817 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 19:04:16,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:16,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:16,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:16,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:16,819 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-07-28 19:04:17,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:17,611 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2020-07-28 19:04:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:17,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:04:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 259 transitions. [2020-07-28 19:04:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 259 transitions. [2020-07-28 19:04:17,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 259 transitions. [2020-07-28 19:04:17,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:17,935 INFO L225 Difference]: With dead ends: 176 [2020-07-28 19:04:17,935 INFO L226 Difference]: Without dead ends: 127 [2020-07-28 19:04:17,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:17,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-28 19:04:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2020-07-28 19:04:18,029 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:18,029 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 74 states. [2020-07-28 19:04:18,030 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 74 states. [2020-07-28 19:04:18,030 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 74 states. [2020-07-28 19:04:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,035 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2020-07-28 19:04:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2020-07-28 19:04:18,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:18,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:18,036 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 127 states. [2020-07-28 19:04:18,037 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 127 states. [2020-07-28 19:04:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,042 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2020-07-28 19:04:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2020-07-28 19:04:18,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:18,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:18,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:18,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 19:04:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2020-07-28 19:04:18,047 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2020-07-28 19:04:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:18,047 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2020-07-28 19:04:18,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2020-07-28 19:04:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:04:18,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:18,048 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 19:04:18,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:04:18,049 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:18,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2020-07-28 19:04:18,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:18,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925630727] [2020-07-28 19:04:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:18,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {1968#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {1970#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,143 INFO L280 TraceCheckUtils]: 2: Hoare triple {1970#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,144 INFO L280 TraceCheckUtils]: 3: Hoare triple {1970#(= 0 ~pumpRunning~0)} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,144 INFO L280 TraceCheckUtils]: 4: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~7; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {1970#(= 0 ~pumpRunning~0)} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,147 INFO L280 TraceCheckUtils]: 6: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !false; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,149 INFO L280 TraceCheckUtils]: 7: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,150 INFO L280 TraceCheckUtils]: 8: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,151 INFO L280 TraceCheckUtils]: 9: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,152 INFO L280 TraceCheckUtils]: 10: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,152 INFO L280 TraceCheckUtils]: 11: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,153 INFO L280 TraceCheckUtils]: 12: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,154 INFO L280 TraceCheckUtils]: 13: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,154 INFO L280 TraceCheckUtils]: 14: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,155 INFO L280 TraceCheckUtils]: 15: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,156 INFO L280 TraceCheckUtils]: 16: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {1970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:18,157 INFO L280 TraceCheckUtils]: 17: Hoare triple {1970#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1969#false} is VALID [2020-07-28 19:04:18,157 INFO L280 TraceCheckUtils]: 18: Hoare triple {1969#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1969#false} is VALID [2020-07-28 19:04:18,158 INFO L280 TraceCheckUtils]: 19: Hoare triple {1969#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1969#false} is VALID [2020-07-28 19:04:18,158 INFO L280 TraceCheckUtils]: 20: Hoare triple {1969#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1969#false} is VALID [2020-07-28 19:04:18,158 INFO L280 TraceCheckUtils]: 21: Hoare triple {1969#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {1969#false} is VALID [2020-07-28 19:04:18,158 INFO L280 TraceCheckUtils]: 22: Hoare triple {1969#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1969#false} is VALID [2020-07-28 19:04:18,159 INFO L280 TraceCheckUtils]: 23: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2020-07-28 19:04:18,161 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 19:04:18,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925630727] [2020-07-28 19:04:18,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:18,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:18,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975128990] [2020-07-28 19:04:18,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:04:18,163 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:18,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:18,199 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 19:04:18,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:18,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:18,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:18,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:18,200 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2020-07-28 19:04:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,496 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2020-07-28 19:04:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:18,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:04:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2020-07-28 19:04:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2020-07-28 19:04:18,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 184 transitions. [2020-07-28 19:04:18,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:18,748 INFO L225 Difference]: With dead ends: 163 [2020-07-28 19:04:18,748 INFO L226 Difference]: Without dead ends: 95 [2020-07-28 19:04:18,749 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 19:04:18,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-28 19:04:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-07-28 19:04:18,857 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:18,857 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand 93 states. [2020-07-28 19:04:18,857 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 93 states. [2020-07-28 19:04:18,858 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 93 states. [2020-07-28 19:04:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,863 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2020-07-28 19:04:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2020-07-28 19:04:18,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:18,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:18,865 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 95 states. [2020-07-28 19:04:18,865 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 95 states. [2020-07-28 19:04:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,870 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2020-07-28 19:04:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2020-07-28 19:04:18,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:18,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:18,871 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:18,871 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-28 19:04:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2020-07-28 19:04:18,875 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2020-07-28 19:04:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:18,875 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2020-07-28 19:04:18,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2020-07-28 19:04:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:18,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:18,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:18,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:18,877 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:18,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2020-07-28 19:04:18,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:18,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653151773] [2020-07-28 19:04:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:19,027 INFO L280 TraceCheckUtils]: 0: Hoare triple {2522#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,029 INFO L280 TraceCheckUtils]: 1: Hoare triple {2524#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {2524#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,030 INFO L280 TraceCheckUtils]: 3: Hoare triple {2524#(<= 1 ~waterLevel~0)} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,031 INFO L280 TraceCheckUtils]: 4: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,032 INFO L280 TraceCheckUtils]: 5: Hoare triple {2524#(<= 1 ~waterLevel~0)} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,032 INFO L280 TraceCheckUtils]: 6: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !false; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,033 INFO L280 TraceCheckUtils]: 7: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,033 INFO L280 TraceCheckUtils]: 8: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,034 INFO L280 TraceCheckUtils]: 9: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,035 INFO L280 TraceCheckUtils]: 10: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,038 INFO L280 TraceCheckUtils]: 11: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,039 INFO L280 TraceCheckUtils]: 12: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,040 INFO L280 TraceCheckUtils]: 13: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___1~0 := test_#t~nondet6;havoc test_#t~nondet6; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,041 INFO L280 TraceCheckUtils]: 14: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,041 INFO L280 TraceCheckUtils]: 15: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,042 INFO L280 TraceCheckUtils]: 16: Hoare triple {2524#(<= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,042 INFO L280 TraceCheckUtils]: 17: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,043 INFO L280 TraceCheckUtils]: 18: Hoare triple {2524#(<= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2524#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:19,044 INFO L280 TraceCheckUtils]: 19: Hoare triple {2524#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {2525#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:19,044 INFO L280 TraceCheckUtils]: 20: Hoare triple {2525#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {2526#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} is VALID [2020-07-28 19:04:19,045 INFO L280 TraceCheckUtils]: 21: Hoare triple {2526#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2523#false} is VALID [2020-07-28 19:04:19,045 INFO L280 TraceCheckUtils]: 22: Hoare triple {2523#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {2523#false} is VALID [2020-07-28 19:04:19,045 INFO L280 TraceCheckUtils]: 23: Hoare triple {2523#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2523#false} is VALID [2020-07-28 19:04:19,045 INFO L280 TraceCheckUtils]: 24: Hoare triple {2523#false} assume !false; {2523#false} is VALID [2020-07-28 19:04:19,047 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 19:04:19,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653151773] [2020-07-28 19:04:19,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:19,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:19,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947020378] [2020-07-28 19:04:19,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:19,048 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:19,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:19,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:19,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:19,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:19,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:19,086 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2020-07-28 19:04:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:19,984 INFO L93 Difference]: Finished difference Result 333 states and 480 transitions. [2020-07-28 19:04:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:19,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 299 transitions. [2020-07-28 19:04:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 299 transitions. [2020-07-28 19:04:19,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 299 transitions. [2020-07-28 19:04:20,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 299 edges. 299 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:20,349 INFO L225 Difference]: With dead ends: 333 [2020-07-28 19:04:20,350 INFO L226 Difference]: Without dead ends: 246 [2020-07-28 19:04:20,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-28 19:04:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 163. [2020-07-28 19:04:20,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:20,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand 163 states. [2020-07-28 19:04:20,602 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand 163 states. [2020-07-28 19:04:20,602 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 163 states. [2020-07-28 19:04:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:20,611 INFO L93 Difference]: Finished difference Result 246 states and 349 transitions. [2020-07-28 19:04:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2020-07-28 19:04:20,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:20,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:20,612 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 246 states. [2020-07-28 19:04:20,612 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 246 states. [2020-07-28 19:04:20,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:20,621 INFO L93 Difference]: Finished difference Result 246 states and 349 transitions. [2020-07-28 19:04:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2020-07-28 19:04:20,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:20,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:20,622 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:20,622 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-28 19:04:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 230 transitions. [2020-07-28 19:04:20,628 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 230 transitions. Word has length 25 [2020-07-28 19:04:20,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:20,628 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 230 transitions. [2020-07-28 19:04:20,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 230 transitions. [2020-07-28 19:04:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:20,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:20,630 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 19:04:20,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:20,630 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:20,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:20,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1325327795, now seen corresponding path program 1 times [2020-07-28 19:04:20,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:20,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765466582] [2020-07-28 19:04:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:20,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {3729#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {3729#true} is VALID [2020-07-28 19:04:20,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {3729#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {3729#true} is VALID [2020-07-28 19:04:20,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {3729#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3729#true} is VALID [2020-07-28 19:04:20,745 INFO L280 TraceCheckUtils]: 3: Hoare triple {3729#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {3729#true} is VALID [2020-07-28 19:04:20,746 INFO L280 TraceCheckUtils]: 4: Hoare triple {3729#true} assume 0 != main_~tmp~7; {3729#true} is VALID [2020-07-28 19:04:20,746 INFO L280 TraceCheckUtils]: 5: Hoare triple {3729#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3729#true} is VALID [2020-07-28 19:04:20,746 INFO L280 TraceCheckUtils]: 6: Hoare triple {3729#true} assume !false; {3729#true} is VALID [2020-07-28 19:04:20,747 INFO L280 TraceCheckUtils]: 7: Hoare triple {3729#true} assume test_~splverifierCounter~0 < 4; {3729#true} is VALID [2020-07-28 19:04:20,747 INFO L280 TraceCheckUtils]: 8: Hoare triple {3729#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {3729#true} is VALID [2020-07-28 19:04:20,747 INFO L280 TraceCheckUtils]: 9: Hoare triple {3729#true} assume !(0 != test_~tmp~1); {3729#true} is VALID [2020-07-28 19:04:20,747 INFO L280 TraceCheckUtils]: 10: Hoare triple {3729#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {3729#true} is VALID [2020-07-28 19:04:20,747 INFO L280 TraceCheckUtils]: 11: Hoare triple {3729#true} assume !(0 != test_~tmp___0~1); {3729#true} is VALID [2020-07-28 19:04:20,748 INFO L280 TraceCheckUtils]: 12: Hoare triple {3729#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {3729#true} is VALID [2020-07-28 19:04:20,748 INFO L280 TraceCheckUtils]: 13: Hoare triple {3729#true} assume 0 != test_~tmp___2~0; {3729#true} is VALID [2020-07-28 19:04:20,748 INFO L280 TraceCheckUtils]: 14: Hoare triple {3729#true} assume !(0 != ~pumpRunning~0); {3729#true} is VALID [2020-07-28 19:04:20,748 INFO L280 TraceCheckUtils]: 15: Hoare triple {3729#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3729#true} is VALID [2020-07-28 19:04:20,749 INFO L280 TraceCheckUtils]: 16: Hoare triple {3729#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {3729#true} is VALID [2020-07-28 19:04:20,749 INFO L280 TraceCheckUtils]: 17: Hoare triple {3729#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {3729#true} is VALID [2020-07-28 19:04:20,749 INFO L280 TraceCheckUtils]: 18: Hoare triple {3729#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {3729#true} is VALID [2020-07-28 19:04:20,749 INFO L280 TraceCheckUtils]: 19: Hoare triple {3729#true} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {3729#true} is VALID [2020-07-28 19:04:20,751 INFO L280 TraceCheckUtils]: 20: Hoare triple {3729#true} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; {3731#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} is VALID [2020-07-28 19:04:20,752 INFO L280 TraceCheckUtils]: 21: Hoare triple {3731#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {3732#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:20,753 INFO L280 TraceCheckUtils]: 22: Hoare triple {3732#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {3733#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} is VALID [2020-07-28 19:04:20,754 INFO L280 TraceCheckUtils]: 23: Hoare triple {3733#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {3730#false} is VALID [2020-07-28 19:04:20,755 INFO L280 TraceCheckUtils]: 24: Hoare triple {3730#false} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {3730#false} is VALID [2020-07-28 19:04:20,755 INFO L280 TraceCheckUtils]: 25: Hoare triple {3730#false} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {3730#false} is VALID [2020-07-28 19:04:20,755 INFO L280 TraceCheckUtils]: 26: Hoare triple {3730#false} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {3730#false} is VALID [2020-07-28 19:04:20,756 INFO L280 TraceCheckUtils]: 27: Hoare triple {3730#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {3730#false} is VALID [2020-07-28 19:04:20,756 INFO L280 TraceCheckUtils]: 28: Hoare triple {3730#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {3730#false} is VALID [2020-07-28 19:04:20,756 INFO L280 TraceCheckUtils]: 29: Hoare triple {3730#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {3730#false} is VALID [2020-07-28 19:04:20,757 INFO L280 TraceCheckUtils]: 30: Hoare triple {3730#false} assume !false; {3730#false} is VALID [2020-07-28 19:04:20,757 INFO L280 TraceCheckUtils]: 31: Hoare triple {3730#false} assume test_~splverifierCounter~0 < 4; {3730#false} is VALID [2020-07-28 19:04:20,757 INFO L280 TraceCheckUtils]: 32: Hoare triple {3730#false} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {3730#false} is VALID [2020-07-28 19:04:20,757 INFO L280 TraceCheckUtils]: 33: Hoare triple {3730#false} assume !(0 != test_~tmp~1); {3730#false} is VALID [2020-07-28 19:04:20,757 INFO L280 TraceCheckUtils]: 34: Hoare triple {3730#false} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {3730#false} is VALID [2020-07-28 19:04:20,758 INFO L280 TraceCheckUtils]: 35: Hoare triple {3730#false} assume !(0 != test_~tmp___0~1); {3730#false} is VALID [2020-07-28 19:04:20,758 INFO L280 TraceCheckUtils]: 36: Hoare triple {3730#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {3730#false} is VALID [2020-07-28 19:04:20,758 INFO L280 TraceCheckUtils]: 37: Hoare triple {3730#false} assume 0 != test_~tmp___2~0; {3730#false} is VALID [2020-07-28 19:04:20,758 INFO L280 TraceCheckUtils]: 38: Hoare triple {3730#false} assume 0 != ~pumpRunning~0; {3730#false} is VALID [2020-07-28 19:04:20,759 INFO L280 TraceCheckUtils]: 39: Hoare triple {3730#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {3730#false} is VALID [2020-07-28 19:04:20,759 INFO L280 TraceCheckUtils]: 40: Hoare triple {3730#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3730#false} is VALID [2020-07-28 19:04:20,759 INFO L280 TraceCheckUtils]: 41: Hoare triple {3730#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {3730#false} is VALID [2020-07-28 19:04:20,760 INFO L280 TraceCheckUtils]: 42: Hoare triple {3730#false} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {3730#false} is VALID [2020-07-28 19:04:20,760 INFO L280 TraceCheckUtils]: 43: Hoare triple {3730#false} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {3730#false} is VALID [2020-07-28 19:04:20,760 INFO L280 TraceCheckUtils]: 44: Hoare triple {3730#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {3730#false} is VALID [2020-07-28 19:04:20,761 INFO L280 TraceCheckUtils]: 45: Hoare triple {3730#false} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {3730#false} is VALID [2020-07-28 19:04:20,761 INFO L280 TraceCheckUtils]: 46: Hoare triple {3730#false} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 0; {3730#false} is VALID [2020-07-28 19:04:20,761 INFO L280 TraceCheckUtils]: 47: Hoare triple {3730#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {3730#false} is VALID [2020-07-28 19:04:20,761 INFO L280 TraceCheckUtils]: 48: Hoare triple {3730#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {3730#false} is VALID [2020-07-28 19:04:20,762 INFO L280 TraceCheckUtils]: 49: Hoare triple {3730#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {3730#false} is VALID [2020-07-28 19:04:20,762 INFO L280 TraceCheckUtils]: 50: Hoare triple {3730#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {3730#false} is VALID [2020-07-28 19:04:20,762 INFO L280 TraceCheckUtils]: 51: Hoare triple {3730#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {3730#false} is VALID [2020-07-28 19:04:20,763 INFO L280 TraceCheckUtils]: 52: Hoare triple {3730#false} assume !false; {3730#false} is VALID [2020-07-28 19:04:20,766 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 19:04:20,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765466582] [2020-07-28 19:04:20,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:20,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:20,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040057726] [2020-07-28 19:04:20,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-07-28 19:04:20,768 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:20,768 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:20,827 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 19:04:20,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:20,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:20,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:20,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:20,829 INFO L87 Difference]: Start difference. First operand 163 states and 230 transitions. Second operand 5 states. [2020-07-28 19:04:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:21,946 INFO L93 Difference]: Finished difference Result 486 states and 682 transitions. [2020-07-28 19:04:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:21,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-07-28 19:04:21,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 221 transitions. [2020-07-28 19:04:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 221 transitions. [2020-07-28 19:04:21,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 221 transitions. [2020-07-28 19:04:22,195 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 221 edges. 221 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:22,203 INFO L225 Difference]: With dead ends: 486 [2020-07-28 19:04:22,204 INFO L226 Difference]: Without dead ends: 329 [2020-07-28 19:04:22,205 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 19:04:22,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-07-28 19:04:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 175. [2020-07-28 19:04:22,499 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:22,499 INFO L82 GeneralOperation]: Start isEquivalent. First operand 329 states. Second operand 175 states. [2020-07-28 19:04:22,499 INFO L74 IsIncluded]: Start isIncluded. First operand 329 states. Second operand 175 states. [2020-07-28 19:04:22,499 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 175 states. [2020-07-28 19:04:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:22,510 INFO L93 Difference]: Finished difference Result 329 states and 454 transitions. [2020-07-28 19:04:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 454 transitions. [2020-07-28 19:04:22,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:22,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:22,512 INFO L74 IsIncluded]: Start isIncluded. First operand 175 states. Second operand 329 states. [2020-07-28 19:04:22,512 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 329 states. [2020-07-28 19:04:22,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:22,522 INFO L93 Difference]: Finished difference Result 329 states and 454 transitions. [2020-07-28 19:04:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 454 transitions. [2020-07-28 19:04:22,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:22,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:22,524 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:22,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-07-28 19:04:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 242 transitions. [2020-07-28 19:04:22,529 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 242 transitions. Word has length 53 [2020-07-28 19:04:22,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:22,529 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 242 transitions. [2020-07-28 19:04:22,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2020-07-28 19:04:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:22,534 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:22,534 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 19:04:22,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:22,535 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:22,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1397714353, now seen corresponding path program 1 times [2020-07-28 19:04:22,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:22,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080972905] [2020-07-28 19:04:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:22,628 INFO L280 TraceCheckUtils]: 0: Hoare triple {5331#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {5331#true} is VALID [2020-07-28 19:04:22,628 INFO L280 TraceCheckUtils]: 1: Hoare triple {5331#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {5331#true} is VALID [2020-07-28 19:04:22,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {5331#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {5331#true} is VALID [2020-07-28 19:04:22,629 INFO L280 TraceCheckUtils]: 3: Hoare triple {5331#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {5331#true} is VALID [2020-07-28 19:04:22,629 INFO L280 TraceCheckUtils]: 4: Hoare triple {5331#true} assume 0 != main_~tmp~7; {5331#true} is VALID [2020-07-28 19:04:22,629 INFO L280 TraceCheckUtils]: 5: Hoare triple {5331#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5331#true} is VALID [2020-07-28 19:04:22,629 INFO L280 TraceCheckUtils]: 6: Hoare triple {5331#true} assume !false; {5331#true} is VALID [2020-07-28 19:04:22,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {5331#true} assume test_~splverifierCounter~0 < 4; {5331#true} is VALID [2020-07-28 19:04:22,630 INFO L280 TraceCheckUtils]: 8: Hoare triple {5331#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {5331#true} is VALID [2020-07-28 19:04:22,630 INFO L280 TraceCheckUtils]: 9: Hoare triple {5331#true} assume !(0 != test_~tmp~1); {5331#true} is VALID [2020-07-28 19:04:22,636 INFO L280 TraceCheckUtils]: 10: Hoare triple {5331#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {5331#true} is VALID [2020-07-28 19:04:22,636 INFO L280 TraceCheckUtils]: 11: Hoare triple {5331#true} assume !(0 != test_~tmp___0~1); {5331#true} is VALID [2020-07-28 19:04:22,636 INFO L280 TraceCheckUtils]: 12: Hoare triple {5331#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {5331#true} is VALID [2020-07-28 19:04:22,636 INFO L280 TraceCheckUtils]: 13: Hoare triple {5331#true} assume 0 != test_~tmp___2~0; {5331#true} is VALID [2020-07-28 19:04:22,637 INFO L280 TraceCheckUtils]: 14: Hoare triple {5331#true} assume !(0 != ~pumpRunning~0); {5331#true} is VALID [2020-07-28 19:04:22,637 INFO L280 TraceCheckUtils]: 15: Hoare triple {5331#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5331#true} is VALID [2020-07-28 19:04:22,637 INFO L280 TraceCheckUtils]: 16: Hoare triple {5331#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5331#true} is VALID [2020-07-28 19:04:22,637 INFO L280 TraceCheckUtils]: 17: Hoare triple {5331#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5331#true} is VALID [2020-07-28 19:04:22,652 INFO L280 TraceCheckUtils]: 18: Hoare triple {5331#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5333#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:22,655 INFO L280 TraceCheckUtils]: 19: Hoare triple {5333#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {5334#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} is VALID [2020-07-28 19:04:22,656 INFO L280 TraceCheckUtils]: 20: Hoare triple {5334#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {5332#false} is VALID [2020-07-28 19:04:22,656 INFO L280 TraceCheckUtils]: 21: Hoare triple {5332#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {5332#false} is VALID [2020-07-28 19:04:22,657 INFO L280 TraceCheckUtils]: 22: Hoare triple {5332#false} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {5332#false} is VALID [2020-07-28 19:04:22,657 INFO L280 TraceCheckUtils]: 23: Hoare triple {5332#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5332#false} is VALID [2020-07-28 19:04:22,658 INFO L280 TraceCheckUtils]: 24: Hoare triple {5332#false} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {5332#false} is VALID [2020-07-28 19:04:22,658 INFO L280 TraceCheckUtils]: 25: Hoare triple {5332#false} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {5332#false} is VALID [2020-07-28 19:04:22,658 INFO L280 TraceCheckUtils]: 26: Hoare triple {5332#false} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {5332#false} is VALID [2020-07-28 19:04:22,658 INFO L280 TraceCheckUtils]: 27: Hoare triple {5332#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {5332#false} is VALID [2020-07-28 19:04:22,659 INFO L280 TraceCheckUtils]: 28: Hoare triple {5332#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {5332#false} is VALID [2020-07-28 19:04:22,659 INFO L280 TraceCheckUtils]: 29: Hoare triple {5332#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {5332#false} is VALID [2020-07-28 19:04:22,660 INFO L280 TraceCheckUtils]: 30: Hoare triple {5332#false} assume !false; {5332#false} is VALID [2020-07-28 19:04:22,660 INFO L280 TraceCheckUtils]: 31: Hoare triple {5332#false} assume test_~splverifierCounter~0 < 4; {5332#false} is VALID [2020-07-28 19:04:22,660 INFO L280 TraceCheckUtils]: 32: Hoare triple {5332#false} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {5332#false} is VALID [2020-07-28 19:04:22,660 INFO L280 TraceCheckUtils]: 33: Hoare triple {5332#false} assume !(0 != test_~tmp~1); {5332#false} is VALID [2020-07-28 19:04:22,662 INFO L280 TraceCheckUtils]: 34: Hoare triple {5332#false} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {5332#false} is VALID [2020-07-28 19:04:22,662 INFO L280 TraceCheckUtils]: 35: Hoare triple {5332#false} assume !(0 != test_~tmp___0~1); {5332#false} is VALID [2020-07-28 19:04:22,662 INFO L280 TraceCheckUtils]: 36: Hoare triple {5332#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {5332#false} is VALID [2020-07-28 19:04:22,663 INFO L280 TraceCheckUtils]: 37: Hoare triple {5332#false} assume 0 != test_~tmp___2~0; {5332#false} is VALID [2020-07-28 19:04:22,663 INFO L280 TraceCheckUtils]: 38: Hoare triple {5332#false} assume 0 != ~pumpRunning~0; {5332#false} is VALID [2020-07-28 19:04:22,663 INFO L280 TraceCheckUtils]: 39: Hoare triple {5332#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5332#false} is VALID [2020-07-28 19:04:22,663 INFO L280 TraceCheckUtils]: 40: Hoare triple {5332#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5332#false} is VALID [2020-07-28 19:04:22,663 INFO L280 TraceCheckUtils]: 41: Hoare triple {5332#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {5332#false} is VALID [2020-07-28 19:04:22,664 INFO L280 TraceCheckUtils]: 42: Hoare triple {5332#false} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {5332#false} is VALID [2020-07-28 19:04:22,664 INFO L280 TraceCheckUtils]: 43: Hoare triple {5332#false} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {5332#false} is VALID [2020-07-28 19:04:22,665 INFO L280 TraceCheckUtils]: 44: Hoare triple {5332#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {5332#false} is VALID [2020-07-28 19:04:22,666 INFO L280 TraceCheckUtils]: 45: Hoare triple {5332#false} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {5332#false} is VALID [2020-07-28 19:04:22,666 INFO L280 TraceCheckUtils]: 46: Hoare triple {5332#false} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 0; {5332#false} is VALID [2020-07-28 19:04:22,673 INFO L280 TraceCheckUtils]: 47: Hoare triple {5332#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {5332#false} is VALID [2020-07-28 19:04:22,674 INFO L280 TraceCheckUtils]: 48: Hoare triple {5332#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {5332#false} is VALID [2020-07-28 19:04:22,674 INFO L280 TraceCheckUtils]: 49: Hoare triple {5332#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {5332#false} is VALID [2020-07-28 19:04:22,676 INFO L280 TraceCheckUtils]: 50: Hoare triple {5332#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {5332#false} is VALID [2020-07-28 19:04:22,677 INFO L280 TraceCheckUtils]: 51: Hoare triple {5332#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {5332#false} is VALID [2020-07-28 19:04:22,677 INFO L280 TraceCheckUtils]: 52: Hoare triple {5332#false} assume !false; {5332#false} is VALID [2020-07-28 19:04:22,680 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 19:04:22,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080972905] [2020-07-28 19:04:22,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:22,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:22,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953851741] [2020-07-28 19:04:22,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:22,684 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:22,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:22,758 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 19:04:22,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:22,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:22,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:22,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:22,760 INFO L87 Difference]: Start difference. First operand 175 states and 242 transitions. Second operand 4 states. [2020-07-28 19:04:23,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:23,608 INFO L93 Difference]: Finished difference Result 415 states and 575 transitions. [2020-07-28 19:04:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:23,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-28 19:04:23,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 194 transitions. [2020-07-28 19:04:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 194 transitions. [2020-07-28 19:04:23,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 194 transitions. [2020-07-28 19:04:23,832 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 19:04:23,837 INFO L225 Difference]: With dead ends: 415 [2020-07-28 19:04:23,837 INFO L226 Difference]: Without dead ends: 246 [2020-07-28 19:04:23,838 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 19:04:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-28 19:04:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 165. [2020-07-28 19:04:24,126 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:24,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand 165 states. [2020-07-28 19:04:24,127 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand 165 states. [2020-07-28 19:04:24,127 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 165 states. [2020-07-28 19:04:24,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,133 INFO L93 Difference]: Finished difference Result 246 states and 336 transitions. [2020-07-28 19:04:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 336 transitions. [2020-07-28 19:04:24,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,134 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 246 states. [2020-07-28 19:04:24,134 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 246 states. [2020-07-28 19:04:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,140 INFO L93 Difference]: Finished difference Result 246 states and 336 transitions. [2020-07-28 19:04:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 336 transitions. [2020-07-28 19:04:24,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,141 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,141 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:24,141 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-28 19:04:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2020-07-28 19:04:24,145 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 53 [2020-07-28 19:04:24,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:24,146 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2020-07-28 19:04:24,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2020-07-28 19:04:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:24,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:24,148 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 19:04:24,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:24,148 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:24,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2053247441, now seen corresponding path program 1 times [2020-07-28 19:04:24,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:24,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124803747] [2020-07-28 19:04:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:24,216 INFO L280 TraceCheckUtils]: 0: Hoare triple {6645#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,217 INFO L280 TraceCheckUtils]: 1: Hoare triple {6647#(<= ~waterLevel~0 1)} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,218 INFO L280 TraceCheckUtils]: 2: Hoare triple {6647#(<= ~waterLevel~0 1)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,219 INFO L280 TraceCheckUtils]: 3: Hoare triple {6647#(<= ~waterLevel~0 1)} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,219 INFO L280 TraceCheckUtils]: 4: Hoare triple {6647#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~7; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,220 INFO L280 TraceCheckUtils]: 5: Hoare triple {6647#(<= ~waterLevel~0 1)} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,221 INFO L280 TraceCheckUtils]: 6: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !false; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,221 INFO L280 TraceCheckUtils]: 7: Hoare triple {6647#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0 < 4; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,222 INFO L280 TraceCheckUtils]: 8: Hoare triple {6647#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,223 INFO L280 TraceCheckUtils]: 9: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~1); {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,224 INFO L280 TraceCheckUtils]: 10: Hoare triple {6647#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,224 INFO L280 TraceCheckUtils]: 11: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~1); {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,225 INFO L280 TraceCheckUtils]: 12: Hoare triple {6647#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,226 INFO L280 TraceCheckUtils]: 13: Hoare triple {6647#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,227 INFO L280 TraceCheckUtils]: 14: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,227 INFO L280 TraceCheckUtils]: 15: Hoare triple {6647#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,228 INFO L280 TraceCheckUtils]: 16: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,229 INFO L280 TraceCheckUtils]: 17: Hoare triple {6647#(<= ~waterLevel~0 1)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {6647#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 18: Hoare triple {6647#(<= ~waterLevel~0 1)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {6646#false} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 19: Hoare triple {6646#false} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {6646#false} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 20: Hoare triple {6646#false} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {6646#false} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 21: Hoare triple {6646#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {6646#false} is VALID [2020-07-28 19:04:24,230 INFO L280 TraceCheckUtils]: 22: Hoare triple {6646#false} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {6646#false} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 23: Hoare triple {6646#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {6646#false} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 24: Hoare triple {6646#false} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {6646#false} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 25: Hoare triple {6646#false} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {6646#false} is VALID [2020-07-28 19:04:24,231 INFO L280 TraceCheckUtils]: 26: Hoare triple {6646#false} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {6646#false} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 27: Hoare triple {6646#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {6646#false} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 28: Hoare triple {6646#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {6646#false} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 29: Hoare triple {6646#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {6646#false} is VALID [2020-07-28 19:04:24,232 INFO L280 TraceCheckUtils]: 30: Hoare triple {6646#false} assume !false; {6646#false} is VALID [2020-07-28 19:04:24,233 INFO L280 TraceCheckUtils]: 31: Hoare triple {6646#false} assume test_~splverifierCounter~0 < 4; {6646#false} is VALID [2020-07-28 19:04:24,233 INFO L280 TraceCheckUtils]: 32: Hoare triple {6646#false} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {6646#false} is VALID [2020-07-28 19:04:24,233 INFO L280 TraceCheckUtils]: 33: Hoare triple {6646#false} assume !(0 != test_~tmp~1); {6646#false} is VALID [2020-07-28 19:04:24,234 INFO L280 TraceCheckUtils]: 34: Hoare triple {6646#false} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {6646#false} is VALID [2020-07-28 19:04:24,234 INFO L280 TraceCheckUtils]: 35: Hoare triple {6646#false} assume !(0 != test_~tmp___0~1); {6646#false} is VALID [2020-07-28 19:04:24,234 INFO L280 TraceCheckUtils]: 36: Hoare triple {6646#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {6646#false} is VALID [2020-07-28 19:04:24,234 INFO L280 TraceCheckUtils]: 37: Hoare triple {6646#false} assume 0 != test_~tmp___2~0; {6646#false} is VALID [2020-07-28 19:04:24,234 INFO L280 TraceCheckUtils]: 38: Hoare triple {6646#false} assume 0 != ~pumpRunning~0; {6646#false} is VALID [2020-07-28 19:04:24,235 INFO L280 TraceCheckUtils]: 39: Hoare triple {6646#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6646#false} is VALID [2020-07-28 19:04:24,235 INFO L280 TraceCheckUtils]: 40: Hoare triple {6646#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6646#false} is VALID [2020-07-28 19:04:24,235 INFO L280 TraceCheckUtils]: 41: Hoare triple {6646#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {6646#false} is VALID [2020-07-28 19:04:24,236 INFO L280 TraceCheckUtils]: 42: Hoare triple {6646#false} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {6646#false} is VALID [2020-07-28 19:04:24,236 INFO L280 TraceCheckUtils]: 43: Hoare triple {6646#false} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {6646#false} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 44: Hoare triple {6646#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {6646#false} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 45: Hoare triple {6646#false} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {6646#false} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 46: Hoare triple {6646#false} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 0; {6646#false} is VALID [2020-07-28 19:04:24,237 INFO L280 TraceCheckUtils]: 47: Hoare triple {6646#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {6646#false} is VALID [2020-07-28 19:04:24,238 INFO L280 TraceCheckUtils]: 48: Hoare triple {6646#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {6646#false} is VALID [2020-07-28 19:04:24,238 INFO L280 TraceCheckUtils]: 49: Hoare triple {6646#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {6646#false} is VALID [2020-07-28 19:04:24,238 INFO L280 TraceCheckUtils]: 50: Hoare triple {6646#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {6646#false} is VALID [2020-07-28 19:04:24,239 INFO L280 TraceCheckUtils]: 51: Hoare triple {6646#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {6646#false} is VALID [2020-07-28 19:04:24,239 INFO L280 TraceCheckUtils]: 52: Hoare triple {6646#false} assume !false; {6646#false} is VALID [2020-07-28 19:04:24,241 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 19:04:24,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124803747] [2020-07-28 19:04:24,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:24,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:24,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411831148] [2020-07-28 19:04:24,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-28 19:04:24,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:24,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:24,304 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 19:04:24,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:24,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:24,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:24,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:24,305 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand 3 states. [2020-07-28 19:04:25,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:25,150 INFO L93 Difference]: Finished difference Result 435 states and 604 transitions. [2020-07-28 19:04:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:25,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-28 19:04:25,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-28 19:04:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-28 19:04:25,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 210 transitions. [2020-07-28 19:04:25,381 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:25,388 INFO L225 Difference]: With dead ends: 435 [2020-07-28 19:04:25,389 INFO L226 Difference]: Without dead ends: 276 [2020-07-28 19:04:25,389 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 19:04:25,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-28 19:04:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 274. [2020-07-28 19:04:25,896 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:25,896 INFO L82 GeneralOperation]: Start isEquivalent. First operand 276 states. Second operand 274 states. [2020-07-28 19:04:25,896 INFO L74 IsIncluded]: Start isIncluded. First operand 276 states. Second operand 274 states. [2020-07-28 19:04:25,896 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 274 states. [2020-07-28 19:04:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:25,906 INFO L93 Difference]: Finished difference Result 276 states and 376 transitions. [2020-07-28 19:04:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 376 transitions. [2020-07-28 19:04:25,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:25,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:25,907 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 276 states. [2020-07-28 19:04:25,907 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 276 states. [2020-07-28 19:04:25,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:25,916 INFO L93 Difference]: Finished difference Result 276 states and 376 transitions. [2020-07-28 19:04:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 376 transitions. [2020-07-28 19:04:25,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:25,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:25,917 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:25,918 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-07-28 19:04:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 375 transitions. [2020-07-28 19:04:25,926 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 375 transitions. Word has length 53 [2020-07-28 19:04:25,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:25,927 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 375 transitions. [2020-07-28 19:04:25,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 375 transitions. [2020-07-28 19:04:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:04:25,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:25,928 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 19:04:25,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:25,929 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:25,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:25,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1963013101, now seen corresponding path program 1 times [2020-07-28 19:04:25,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:25,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102700257] [2020-07-28 19:04:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:26,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {8192#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {8192#true} is VALID [2020-07-28 19:04:26,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {8192#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {8192#true} is VALID [2020-07-28 19:04:26,053 INFO L280 TraceCheckUtils]: 2: Hoare triple {8192#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {8192#true} is VALID [2020-07-28 19:04:26,054 INFO L280 TraceCheckUtils]: 3: Hoare triple {8192#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {8192#true} is VALID [2020-07-28 19:04:26,054 INFO L280 TraceCheckUtils]: 4: Hoare triple {8192#true} assume 0 != main_~tmp~7; {8192#true} is VALID [2020-07-28 19:04:26,054 INFO L280 TraceCheckUtils]: 5: Hoare triple {8192#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8192#true} is VALID [2020-07-28 19:04:26,054 INFO L280 TraceCheckUtils]: 6: Hoare triple {8192#true} assume !false; {8192#true} is VALID [2020-07-28 19:04:26,054 INFO L280 TraceCheckUtils]: 7: Hoare triple {8192#true} assume test_~splverifierCounter~0 < 4; {8192#true} is VALID [2020-07-28 19:04:26,055 INFO L280 TraceCheckUtils]: 8: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {8192#true} is VALID [2020-07-28 19:04:26,055 INFO L280 TraceCheckUtils]: 9: Hoare triple {8192#true} assume 0 != test_~tmp~1; {8192#true} is VALID [2020-07-28 19:04:26,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {8192#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8192#true} is VALID [2020-07-28 19:04:26,056 INFO L280 TraceCheckUtils]: 11: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {8192#true} is VALID [2020-07-28 19:04:26,056 INFO L280 TraceCheckUtils]: 12: Hoare triple {8192#true} assume !(0 != test_~tmp___0~1); {8192#true} is VALID [2020-07-28 19:04:26,056 INFO L280 TraceCheckUtils]: 13: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {8192#true} is VALID [2020-07-28 19:04:26,057 INFO L280 TraceCheckUtils]: 14: Hoare triple {8192#true} assume 0 != test_~tmp___2~0; {8192#true} is VALID [2020-07-28 19:04:26,057 INFO L280 TraceCheckUtils]: 15: Hoare triple {8192#true} assume !(0 != ~pumpRunning~0); {8192#true} is VALID [2020-07-28 19:04:26,057 INFO L280 TraceCheckUtils]: 16: Hoare triple {8192#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8192#true} is VALID [2020-07-28 19:04:26,057 INFO L280 TraceCheckUtils]: 17: Hoare triple {8192#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {8192#true} is VALID [2020-07-28 19:04:26,058 INFO L280 TraceCheckUtils]: 18: Hoare triple {8192#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {8192#true} is VALID [2020-07-28 19:04:26,058 INFO L280 TraceCheckUtils]: 19: Hoare triple {8192#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {8192#true} is VALID [2020-07-28 19:04:26,058 INFO L280 TraceCheckUtils]: 20: Hoare triple {8192#true} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {8192#true} is VALID [2020-07-28 19:04:26,058 INFO L280 TraceCheckUtils]: 21: Hoare triple {8192#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {8192#true} is VALID [2020-07-28 19:04:26,058 INFO L280 TraceCheckUtils]: 22: Hoare triple {8192#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {8192#true} is VALID [2020-07-28 19:04:26,059 INFO L280 TraceCheckUtils]: 23: Hoare triple {8192#true} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {8192#true} is VALID [2020-07-28 19:04:26,059 INFO L280 TraceCheckUtils]: 24: Hoare triple {8192#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {8192#true} is VALID [2020-07-28 19:04:26,059 INFO L280 TraceCheckUtils]: 25: Hoare triple {8192#true} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {8192#true} is VALID [2020-07-28 19:04:26,059 INFO L280 TraceCheckUtils]: 26: Hoare triple {8192#true} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {8192#true} is VALID [2020-07-28 19:04:26,060 INFO L280 TraceCheckUtils]: 27: Hoare triple {8192#true} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {8192#true} is VALID [2020-07-28 19:04:26,061 INFO L280 TraceCheckUtils]: 28: Hoare triple {8192#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {8192#true} is VALID [2020-07-28 19:04:26,061 INFO L280 TraceCheckUtils]: 29: Hoare triple {8192#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8192#true} is VALID [2020-07-28 19:04:26,061 INFO L280 TraceCheckUtils]: 30: Hoare triple {8192#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {8192#true} is VALID [2020-07-28 19:04:26,061 INFO L280 TraceCheckUtils]: 31: Hoare triple {8192#true} assume !false; {8192#true} is VALID [2020-07-28 19:04:26,062 INFO L280 TraceCheckUtils]: 32: Hoare triple {8192#true} assume test_~splverifierCounter~0 < 4; {8192#true} is VALID [2020-07-28 19:04:26,062 INFO L280 TraceCheckUtils]: 33: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {8192#true} is VALID [2020-07-28 19:04:26,062 INFO L280 TraceCheckUtils]: 34: Hoare triple {8192#true} assume !(0 != test_~tmp~1); {8192#true} is VALID [2020-07-28 19:04:26,062 INFO L280 TraceCheckUtils]: 35: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {8192#true} is VALID [2020-07-28 19:04:26,063 INFO L280 TraceCheckUtils]: 36: Hoare triple {8192#true} assume !(0 != test_~tmp___0~1); {8192#true} is VALID [2020-07-28 19:04:26,063 INFO L280 TraceCheckUtils]: 37: Hoare triple {8192#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {8192#true} is VALID [2020-07-28 19:04:26,063 INFO L280 TraceCheckUtils]: 38: Hoare triple {8192#true} assume 0 != test_~tmp___2~0; {8192#true} is VALID [2020-07-28 19:04:26,064 INFO L280 TraceCheckUtils]: 39: Hoare triple {8192#true} assume 0 != ~pumpRunning~0; {8192#true} is VALID [2020-07-28 19:04:26,064 INFO L280 TraceCheckUtils]: 40: Hoare triple {8192#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8192#true} is VALID [2020-07-28 19:04:26,064 INFO L280 TraceCheckUtils]: 41: Hoare triple {8192#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8192#true} is VALID [2020-07-28 19:04:26,065 INFO L280 TraceCheckUtils]: 42: Hoare triple {8192#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {8192#true} is VALID [2020-07-28 19:04:26,065 INFO L280 TraceCheckUtils]: 43: Hoare triple {8192#true} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {8192#true} is VALID [2020-07-28 19:04:26,066 INFO L280 TraceCheckUtils]: 44: Hoare triple {8192#true} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {8194#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} is VALID [2020-07-28 19:04:26,067 INFO L280 TraceCheckUtils]: 45: Hoare triple {8194#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {8195#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:26,067 INFO L280 TraceCheckUtils]: 46: Hoare triple {8195#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {8196#(= 0 ULTIMATE.start_processEnvironment_~tmp~3)} is VALID [2020-07-28 19:04:26,068 INFO L280 TraceCheckUtils]: 47: Hoare triple {8196#(= 0 ULTIMATE.start_processEnvironment_~tmp~3)} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 0; {8193#false} is VALID [2020-07-28 19:04:26,068 INFO L280 TraceCheckUtils]: 48: Hoare triple {8193#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {8193#false} is VALID [2020-07-28 19:04:26,069 INFO L280 TraceCheckUtils]: 49: Hoare triple {8193#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8193#false} is VALID [2020-07-28 19:04:26,069 INFO L280 TraceCheckUtils]: 50: Hoare triple {8193#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {8193#false} is VALID [2020-07-28 19:04:26,069 INFO L280 TraceCheckUtils]: 51: Hoare triple {8193#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {8193#false} is VALID [2020-07-28 19:04:26,069 INFO L280 TraceCheckUtils]: 52: Hoare triple {8193#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {8193#false} is VALID [2020-07-28 19:04:26,069 INFO L280 TraceCheckUtils]: 53: Hoare triple {8193#false} assume !false; {8193#false} is VALID [2020-07-28 19:04:26,072 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 19:04:26,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102700257] [2020-07-28 19:04:26,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:26,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:26,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722202492] [2020-07-28 19:04:26,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:26,074 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:26,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:26,125 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 19:04:26,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:26,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:26,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:26,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:26,126 INFO L87 Difference]: Start difference. First operand 274 states and 375 transitions. Second operand 5 states. [2020-07-28 19:04:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,800 INFO L93 Difference]: Finished difference Result 1036 states and 1429 transitions. [2020-07-28 19:04:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:28,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-28 19:04:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-28 19:04:28,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 285 transitions. [2020-07-28 19:04:29,103 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 285 edges. 285 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:29,144 INFO L225 Difference]: With dead ends: 1036 [2020-07-28 19:04:29,144 INFO L226 Difference]: Without dead ends: 768 [2020-07-28 19:04:29,145 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 19:04:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-28 19:04:29,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 280. [2020-07-28 19:04:29,748 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:29,748 INFO L82 GeneralOperation]: Start isEquivalent. First operand 768 states. Second operand 280 states. [2020-07-28 19:04:29,748 INFO L74 IsIncluded]: Start isIncluded. First operand 768 states. Second operand 280 states. [2020-07-28 19:04:29,748 INFO L87 Difference]: Start difference. First operand 768 states. Second operand 280 states. [2020-07-28 19:04:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:29,773 INFO L93 Difference]: Finished difference Result 768 states and 1058 transitions. [2020-07-28 19:04:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1058 transitions. [2020-07-28 19:04:29,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:29,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:29,775 INFO L74 IsIncluded]: Start isIncluded. First operand 280 states. Second operand 768 states. [2020-07-28 19:04:29,775 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 768 states. [2020-07-28 19:04:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:29,798 INFO L93 Difference]: Finished difference Result 768 states and 1058 transitions. [2020-07-28 19:04:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1058 transitions. [2020-07-28 19:04:29,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:29,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:29,800 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:29,800 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-28 19:04:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2020-07-28 19:04:29,807 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 54 [2020-07-28 19:04:29,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:29,807 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2020-07-28 19:04:29,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2020-07-28 19:04:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:04:29,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:29,809 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 19:04:29,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:29,809 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:29,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:29,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1938927185, now seen corresponding path program 1 times [2020-07-28 19:04:29,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:29,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796108453] [2020-07-28 19:04:29,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:29,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {11587#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {11587#true} is VALID [2020-07-28 19:04:29,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {11587#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {11587#true} is VALID [2020-07-28 19:04:29,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {11587#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {11587#true} is VALID [2020-07-28 19:04:29,884 INFO L280 TraceCheckUtils]: 3: Hoare triple {11587#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {11587#true} is VALID [2020-07-28 19:04:29,885 INFO L280 TraceCheckUtils]: 4: Hoare triple {11587#true} assume 0 != main_~tmp~7; {11587#true} is VALID [2020-07-28 19:04:29,885 INFO L280 TraceCheckUtils]: 5: Hoare triple {11587#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11587#true} is VALID [2020-07-28 19:04:29,885 INFO L280 TraceCheckUtils]: 6: Hoare triple {11587#true} assume !false; {11587#true} is VALID [2020-07-28 19:04:29,886 INFO L280 TraceCheckUtils]: 7: Hoare triple {11587#true} assume test_~splverifierCounter~0 < 4; {11587#true} is VALID [2020-07-28 19:04:29,886 INFO L280 TraceCheckUtils]: 8: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {11587#true} is VALID [2020-07-28 19:04:29,886 INFO L280 TraceCheckUtils]: 9: Hoare triple {11587#true} assume 0 != test_~tmp~1; {11587#true} is VALID [2020-07-28 19:04:29,886 INFO L280 TraceCheckUtils]: 10: Hoare triple {11587#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11587#true} is VALID [2020-07-28 19:04:29,887 INFO L280 TraceCheckUtils]: 11: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {11587#true} is VALID [2020-07-28 19:04:29,887 INFO L280 TraceCheckUtils]: 12: Hoare triple {11587#true} assume !(0 != test_~tmp___0~1); {11587#true} is VALID [2020-07-28 19:04:29,887 INFO L280 TraceCheckUtils]: 13: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {11587#true} is VALID [2020-07-28 19:04:29,888 INFO L280 TraceCheckUtils]: 14: Hoare triple {11587#true} assume 0 != test_~tmp___2~0; {11587#true} is VALID [2020-07-28 19:04:29,888 INFO L280 TraceCheckUtils]: 15: Hoare triple {11587#true} assume !(0 != ~pumpRunning~0); {11587#true} is VALID [2020-07-28 19:04:29,888 INFO L280 TraceCheckUtils]: 16: Hoare triple {11587#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {11587#true} is VALID [2020-07-28 19:04:29,888 INFO L280 TraceCheckUtils]: 17: Hoare triple {11587#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {11587#true} is VALID [2020-07-28 19:04:29,888 INFO L280 TraceCheckUtils]: 18: Hoare triple {11587#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {11587#true} is VALID [2020-07-28 19:04:29,889 INFO L280 TraceCheckUtils]: 19: Hoare triple {11587#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {11587#true} is VALID [2020-07-28 19:04:29,889 INFO L280 TraceCheckUtils]: 20: Hoare triple {11587#true} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {11587#true} is VALID [2020-07-28 19:04:29,889 INFO L280 TraceCheckUtils]: 21: Hoare triple {11587#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {11587#true} is VALID [2020-07-28 19:04:29,889 INFO L280 TraceCheckUtils]: 22: Hoare triple {11587#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {11587#true} is VALID [2020-07-28 19:04:29,889 INFO L280 TraceCheckUtils]: 23: Hoare triple {11587#true} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {11587#true} is VALID [2020-07-28 19:04:29,890 INFO L280 TraceCheckUtils]: 24: Hoare triple {11587#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {11587#true} is VALID [2020-07-28 19:04:29,890 INFO L280 TraceCheckUtils]: 25: Hoare triple {11587#true} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {11587#true} is VALID [2020-07-28 19:04:29,890 INFO L280 TraceCheckUtils]: 26: Hoare triple {11587#true} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {11587#true} is VALID [2020-07-28 19:04:29,890 INFO L280 TraceCheckUtils]: 27: Hoare triple {11587#true} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {11587#true} is VALID [2020-07-28 19:04:29,891 INFO L280 TraceCheckUtils]: 28: Hoare triple {11587#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {11587#true} is VALID [2020-07-28 19:04:29,891 INFO L280 TraceCheckUtils]: 29: Hoare triple {11587#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {11587#true} is VALID [2020-07-28 19:04:29,892 INFO L280 TraceCheckUtils]: 30: Hoare triple {11587#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {11587#true} is VALID [2020-07-28 19:04:29,892 INFO L280 TraceCheckUtils]: 31: Hoare triple {11587#true} assume !false; {11587#true} is VALID [2020-07-28 19:04:29,892 INFO L280 TraceCheckUtils]: 32: Hoare triple {11587#true} assume test_~splverifierCounter~0 < 4; {11587#true} is VALID [2020-07-28 19:04:29,892 INFO L280 TraceCheckUtils]: 33: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {11587#true} is VALID [2020-07-28 19:04:29,893 INFO L280 TraceCheckUtils]: 34: Hoare triple {11587#true} assume !(0 != test_~tmp~1); {11587#true} is VALID [2020-07-28 19:04:29,893 INFO L280 TraceCheckUtils]: 35: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {11587#true} is VALID [2020-07-28 19:04:29,893 INFO L280 TraceCheckUtils]: 36: Hoare triple {11587#true} assume !(0 != test_~tmp___0~1); {11587#true} is VALID [2020-07-28 19:04:29,894 INFO L280 TraceCheckUtils]: 37: Hoare triple {11587#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {11587#true} is VALID [2020-07-28 19:04:29,894 INFO L280 TraceCheckUtils]: 38: Hoare triple {11587#true} assume 0 != test_~tmp___2~0; {11587#true} is VALID [2020-07-28 19:04:29,894 INFO L280 TraceCheckUtils]: 39: Hoare triple {11587#true} assume 0 != ~pumpRunning~0; {11587#true} is VALID [2020-07-28 19:04:29,894 INFO L280 TraceCheckUtils]: 40: Hoare triple {11587#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {11587#true} is VALID [2020-07-28 19:04:29,895 INFO L280 TraceCheckUtils]: 41: Hoare triple {11587#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {11587#true} is VALID [2020-07-28 19:04:29,895 INFO L280 TraceCheckUtils]: 42: Hoare triple {11587#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {11587#true} is VALID [2020-07-28 19:04:29,895 INFO L280 TraceCheckUtils]: 43: Hoare triple {11587#true} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {11587#true} is VALID [2020-07-28 19:04:29,896 INFO L280 TraceCheckUtils]: 44: Hoare triple {11587#true} assume !(0 != isLowWaterLevel_~tmp~6);isLowWaterLevel_~tmp___0~3 := 1; {11587#true} is VALID [2020-07-28 19:04:29,896 INFO L280 TraceCheckUtils]: 45: Hoare triple {11587#true} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {11587#true} is VALID [2020-07-28 19:04:29,896 INFO L280 TraceCheckUtils]: 46: Hoare triple {11587#true} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {11587#true} is VALID [2020-07-28 19:04:29,897 INFO L280 TraceCheckUtils]: 47: Hoare triple {11587#true} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 0; {11589#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:29,898 INFO L280 TraceCheckUtils]: 48: Hoare triple {11589#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {11589#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:29,898 INFO L280 TraceCheckUtils]: 49: Hoare triple {11589#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {11589#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:29,899 INFO L280 TraceCheckUtils]: 50: Hoare triple {11589#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {11590#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:29,900 INFO L280 TraceCheckUtils]: 51: Hoare triple {11590#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {11591#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:04:29,901 INFO L280 TraceCheckUtils]: 52: Hoare triple {11591#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {11588#false} is VALID [2020-07-28 19:04:29,901 INFO L280 TraceCheckUtils]: 53: Hoare triple {11588#false} assume !false; {11588#false} is VALID [2020-07-28 19:04:29,903 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 19:04:29,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796108453] [2020-07-28 19:04:29,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:29,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:29,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398999758] [2020-07-28 19:04:29,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:29,905 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:29,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:29,959 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 19:04:29,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:29,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:29,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:29,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:29,960 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand 5 states. [2020-07-28 19:04:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,807 INFO L93 Difference]: Finished difference Result 782 states and 1059 transitions. [2020-07-28 19:04:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:32,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:32,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 308 transitions. [2020-07-28 19:04:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 308 transitions. [2020-07-28 19:04:32,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 308 transitions. [2020-07-28 19:04:33,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 308 edges. 308 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:33,226 INFO L225 Difference]: With dead ends: 782 [2020-07-28 19:04:33,226 INFO L226 Difference]: Without dead ends: 780 [2020-07-28 19:04:33,226 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 19:04:33,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-07-28 19:04:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 280. [2020-07-28 19:04:33,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:33,934 INFO L82 GeneralOperation]: Start isEquivalent. First operand 780 states. Second operand 280 states. [2020-07-28 19:04:33,934 INFO L74 IsIncluded]: Start isIncluded. First operand 780 states. Second operand 280 states. [2020-07-28 19:04:33,934 INFO L87 Difference]: Start difference. First operand 780 states. Second operand 280 states. [2020-07-28 19:04:33,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,973 INFO L93 Difference]: Finished difference Result 780 states and 1054 transitions. [2020-07-28 19:04:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1054 transitions. [2020-07-28 19:04:33,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:33,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:33,976 INFO L74 IsIncluded]: Start isIncluded. First operand 280 states. Second operand 780 states. [2020-07-28 19:04:33,976 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 780 states. [2020-07-28 19:04:34,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,012 INFO L93 Difference]: Finished difference Result 780 states and 1054 transitions. [2020-07-28 19:04:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1054 transitions. [2020-07-28 19:04:34,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:34,015 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:34,015 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-28 19:04:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 377 transitions. [2020-07-28 19:04:34,022 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 377 transitions. Word has length 54 [2020-07-28 19:04:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:34,024 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 377 transitions. [2020-07-28 19:04:34,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 377 transitions. [2020-07-28 19:04:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-28 19:04:34,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:34,025 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 19:04:34,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:04:34,026 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:34,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:34,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2020-07-28 19:04:34,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:34,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853219689] [2020-07-28 19:04:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:34,160 INFO L280 TraceCheckUtils]: 0: Hoare triple {14655#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,161 INFO L280 TraceCheckUtils]: 1: Hoare triple {14657#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,162 INFO L280 TraceCheckUtils]: 2: Hoare triple {14657#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,163 INFO L280 TraceCheckUtils]: 3: Hoare triple {14657#(<= 1 ~waterLevel~0)} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,163 INFO L280 TraceCheckUtils]: 4: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,164 INFO L280 TraceCheckUtils]: 5: Hoare triple {14657#(<= 1 ~waterLevel~0)} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,165 INFO L280 TraceCheckUtils]: 6: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume !false; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,166 INFO L280 TraceCheckUtils]: 7: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,167 INFO L280 TraceCheckUtils]: 9: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~1; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,169 INFO L280 TraceCheckUtils]: 10: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,170 INFO L280 TraceCheckUtils]: 11: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,171 INFO L280 TraceCheckUtils]: 12: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,173 INFO L280 TraceCheckUtils]: 13: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,173 INFO L280 TraceCheckUtils]: 14: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,174 INFO L280 TraceCheckUtils]: 15: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,174 INFO L280 TraceCheckUtils]: 16: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,175 INFO L280 TraceCheckUtils]: 17: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,175 INFO L280 TraceCheckUtils]: 18: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,176 INFO L280 TraceCheckUtils]: 19: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,176 INFO L280 TraceCheckUtils]: 20: Hoare triple {14658#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,178 INFO L280 TraceCheckUtils]: 21: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,179 INFO L280 TraceCheckUtils]: 22: Hoare triple {14658#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,179 INFO L280 TraceCheckUtils]: 23: Hoare triple {14658#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,179 INFO L280 TraceCheckUtils]: 24: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,180 INFO L280 TraceCheckUtils]: 25: Hoare triple {14658#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,181 INFO L280 TraceCheckUtils]: 26: Hoare triple {14658#(<= 2 ~waterLevel~0)} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,182 INFO L280 TraceCheckUtils]: 27: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,183 INFO L280 TraceCheckUtils]: 28: Hoare triple {14658#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,184 INFO L280 TraceCheckUtils]: 29: Hoare triple {14658#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,184 INFO L280 TraceCheckUtils]: 30: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,185 INFO L280 TraceCheckUtils]: 31: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !false; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,186 INFO L280 TraceCheckUtils]: 32: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,187 INFO L280 TraceCheckUtils]: 33: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,187 INFO L280 TraceCheckUtils]: 34: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~1); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,188 INFO L280 TraceCheckUtils]: 35: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,189 INFO L280 TraceCheckUtils]: 36: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,190 INFO L280 TraceCheckUtils]: 37: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,191 INFO L280 TraceCheckUtils]: 38: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,191 INFO L280 TraceCheckUtils]: 39: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,192 INFO L280 TraceCheckUtils]: 40: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,193 INFO L280 TraceCheckUtils]: 41: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,193 INFO L280 TraceCheckUtils]: 42: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,194 INFO L280 TraceCheckUtils]: 43: Hoare triple {14657#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,194 INFO L280 TraceCheckUtils]: 44: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,195 INFO L280 TraceCheckUtils]: 45: Hoare triple {14657#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,196 INFO L280 TraceCheckUtils]: 46: Hoare triple {14657#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,197 INFO L280 TraceCheckUtils]: 47: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,197 INFO L280 TraceCheckUtils]: 48: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,198 INFO L280 TraceCheckUtils]: 49: Hoare triple {14657#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {14659#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:34,199 INFO L280 TraceCheckUtils]: 50: Hoare triple {14659#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14660#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} is VALID [2020-07-28 19:04:34,200 INFO L280 TraceCheckUtils]: 51: Hoare triple {14660#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {14656#false} is VALID [2020-07-28 19:04:34,201 INFO L280 TraceCheckUtils]: 52: Hoare triple {14656#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {14656#false} is VALID [2020-07-28 19:04:34,203 INFO L280 TraceCheckUtils]: 53: Hoare triple {14656#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14656#false} is VALID [2020-07-28 19:04:34,203 INFO L280 TraceCheckUtils]: 54: Hoare triple {14656#false} assume !false; {14656#false} is VALID [2020-07-28 19:04:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:04:34,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853219689] [2020-07-28 19:04:34,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529277741] [2020-07-28 19:04:34,210 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 19:04:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:34,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:34,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:34,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {14655#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {14655#true} is VALID [2020-07-28 19:04:34,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {14655#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {14655#true} is VALID [2020-07-28 19:04:34,664 INFO L280 TraceCheckUtils]: 2: Hoare triple {14655#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {14655#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {14655#true} assume 0 != main_~tmp~7; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 5: Hoare triple {14655#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 6: Hoare triple {14655#true} assume !false; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 7: Hoare triple {14655#true} assume test_~splverifierCounter~0 < 4; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 8: Hoare triple {14655#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {14655#true} is VALID [2020-07-28 19:04:34,665 INFO L280 TraceCheckUtils]: 9: Hoare triple {14655#true} assume 0 != test_~tmp~1; {14655#true} is VALID [2020-07-28 19:04:34,666 INFO L280 TraceCheckUtils]: 10: Hoare triple {14655#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14655#true} is VALID [2020-07-28 19:04:34,666 INFO L280 TraceCheckUtils]: 11: Hoare triple {14655#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {14655#true} is VALID [2020-07-28 19:04:34,666 INFO L280 TraceCheckUtils]: 12: Hoare triple {14655#true} assume !(0 != test_~tmp___0~1); {14655#true} is VALID [2020-07-28 19:04:34,667 INFO L280 TraceCheckUtils]: 13: Hoare triple {14655#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {14655#true} is VALID [2020-07-28 19:04:34,668 INFO L280 TraceCheckUtils]: 14: Hoare triple {14655#true} assume 0 != test_~tmp___2~0; {14655#true} is VALID [2020-07-28 19:04:34,668 INFO L280 TraceCheckUtils]: 15: Hoare triple {14655#true} assume !(0 != ~pumpRunning~0); {14655#true} is VALID [2020-07-28 19:04:34,668 INFO L280 TraceCheckUtils]: 16: Hoare triple {14655#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14655#true} is VALID [2020-07-28 19:04:34,668 INFO L280 TraceCheckUtils]: 17: Hoare triple {14655#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14655#true} is VALID [2020-07-28 19:04:34,668 INFO L280 TraceCheckUtils]: 18: Hoare triple {14655#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {14655#true} is VALID [2020-07-28 19:04:34,670 INFO L280 TraceCheckUtils]: 19: Hoare triple {14655#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,670 INFO L280 TraceCheckUtils]: 20: Hoare triple {14658#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,671 INFO L280 TraceCheckUtils]: 21: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,671 INFO L280 TraceCheckUtils]: 22: Hoare triple {14658#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,672 INFO L280 TraceCheckUtils]: 23: Hoare triple {14658#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,672 INFO L280 TraceCheckUtils]: 24: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,674 INFO L280 TraceCheckUtils]: 25: Hoare triple {14658#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,676 INFO L280 TraceCheckUtils]: 26: Hoare triple {14658#(<= 2 ~waterLevel~0)} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,677 INFO L280 TraceCheckUtils]: 27: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,678 INFO L280 TraceCheckUtils]: 28: Hoare triple {14658#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,679 INFO L280 TraceCheckUtils]: 29: Hoare triple {14658#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,680 INFO L280 TraceCheckUtils]: 30: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,681 INFO L280 TraceCheckUtils]: 31: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !false; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,682 INFO L280 TraceCheckUtils]: 32: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,683 INFO L280 TraceCheckUtils]: 33: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,684 INFO L280 TraceCheckUtils]: 34: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~1); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,685 INFO L280 TraceCheckUtils]: 35: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,686 INFO L280 TraceCheckUtils]: 36: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,687 INFO L280 TraceCheckUtils]: 37: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,688 INFO L280 TraceCheckUtils]: 38: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,689 INFO L280 TraceCheckUtils]: 39: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {14658#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,690 INFO L280 TraceCheckUtils]: 40: Hoare triple {14658#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,691 INFO L280 TraceCheckUtils]: 41: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,692 INFO L280 TraceCheckUtils]: 42: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,692 INFO L280 TraceCheckUtils]: 43: Hoare triple {14657#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,693 INFO L280 TraceCheckUtils]: 44: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,694 INFO L280 TraceCheckUtils]: 45: Hoare triple {14657#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,694 INFO L280 TraceCheckUtils]: 46: Hoare triple {14657#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,695 INFO L280 TraceCheckUtils]: 47: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,696 INFO L280 TraceCheckUtils]: 48: Hoare triple {14657#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {14657#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:34,697 INFO L280 TraceCheckUtils]: 49: Hoare triple {14657#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {14659#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:34,698 INFO L280 TraceCheckUtils]: 50: Hoare triple {14659#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14660#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} is VALID [2020-07-28 19:04:34,698 INFO L280 TraceCheckUtils]: 51: Hoare triple {14660#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {14656#false} is VALID [2020-07-28 19:04:34,699 INFO L280 TraceCheckUtils]: 52: Hoare triple {14656#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {14656#false} is VALID [2020-07-28 19:04:34,699 INFO L280 TraceCheckUtils]: 53: Hoare triple {14656#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14656#false} is VALID [2020-07-28 19:04:34,699 INFO L280 TraceCheckUtils]: 54: Hoare triple {14656#false} assume !false; {14656#false} is VALID [2020-07-28 19:04:34,704 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 19:04:34,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:34,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2020-07-28 19:04:34,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708500191] [2020-07-28 19:04:34,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-28 19:04:34,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:34,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:34,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:34,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:34,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:34,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:34,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:34,784 INFO L87 Difference]: Start difference. First operand 280 states and 377 transitions. Second operand 6 states. [2020-07-28 19:04:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:37,303 INFO L93 Difference]: Finished difference Result 841 states and 1139 transitions. [2020-07-28 19:04:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:37,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-28 19:04:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 371 transitions. [2020-07-28 19:04:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 371 transitions. [2020-07-28 19:04:37,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 371 transitions. [2020-07-28 19:04:37,718 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 371 edges. 371 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:37,743 INFO L225 Difference]: With dead ends: 841 [2020-07-28 19:04:37,743 INFO L226 Difference]: Without dead ends: 567 [2020-07-28 19:04:37,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:04:37,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-07-28 19:04:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 351. [2020-07-28 19:04:38,689 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:38,689 INFO L82 GeneralOperation]: Start isEquivalent. First operand 567 states. Second operand 351 states. [2020-07-28 19:04:38,689 INFO L74 IsIncluded]: Start isIncluded. First operand 567 states. Second operand 351 states. [2020-07-28 19:04:38,689 INFO L87 Difference]: Start difference. First operand 567 states. Second operand 351 states. [2020-07-28 19:04:38,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:38,715 INFO L93 Difference]: Finished difference Result 567 states and 753 transitions. [2020-07-28 19:04:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 753 transitions. [2020-07-28 19:04:38,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:38,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:38,717 INFO L74 IsIncluded]: Start isIncluded. First operand 351 states. Second operand 567 states. [2020-07-28 19:04:38,717 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 567 states. [2020-07-28 19:04:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:38,740 INFO L93 Difference]: Finished difference Result 567 states and 753 transitions. [2020-07-28 19:04:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 753 transitions. [2020-07-28 19:04:38,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:38,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:38,742 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:38,742 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-07-28 19:04:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 471 transitions. [2020-07-28 19:04:38,755 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 471 transitions. Word has length 55 [2020-07-28 19:04:38,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:38,756 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 471 transitions. [2020-07-28 19:04:38,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 471 transitions. [2020-07-28 19:04:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-28 19:04:38,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:38,757 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 19:04:38,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 19:04:38,967 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:38,968 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2020-07-28 19:04:38,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:38,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165042226] [2020-07-28 19:04:38,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:39,146 INFO L280 TraceCheckUtils]: 0: Hoare triple {17639#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {17639#true} is VALID [2020-07-28 19:04:39,146 INFO L280 TraceCheckUtils]: 1: Hoare triple {17639#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {17639#true} is VALID [2020-07-28 19:04:39,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {17639#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {17639#true} is VALID [2020-07-28 19:04:39,147 INFO L280 TraceCheckUtils]: 3: Hoare triple {17639#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {17639#true} is VALID [2020-07-28 19:04:39,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {17639#true} assume 0 != main_~tmp~7; {17639#true} is VALID [2020-07-28 19:04:39,147 INFO L280 TraceCheckUtils]: 5: Hoare triple {17639#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {17639#true} is VALID [2020-07-28 19:04:39,147 INFO L280 TraceCheckUtils]: 6: Hoare triple {17639#true} assume !false; {17639#true} is VALID [2020-07-28 19:04:39,148 INFO L280 TraceCheckUtils]: 7: Hoare triple {17639#true} assume test_~splverifierCounter~0 < 4; {17639#true} is VALID [2020-07-28 19:04:39,148 INFO L280 TraceCheckUtils]: 8: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {17639#true} is VALID [2020-07-28 19:04:39,148 INFO L280 TraceCheckUtils]: 9: Hoare triple {17639#true} assume 0 != test_~tmp~1; {17639#true} is VALID [2020-07-28 19:04:39,148 INFO L280 TraceCheckUtils]: 10: Hoare triple {17639#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {17639#true} is VALID [2020-07-28 19:04:39,148 INFO L280 TraceCheckUtils]: 11: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {17639#true} is VALID [2020-07-28 19:04:39,149 INFO L280 TraceCheckUtils]: 12: Hoare triple {17639#true} assume !(0 != test_~tmp___0~1); {17639#true} is VALID [2020-07-28 19:04:39,149 INFO L280 TraceCheckUtils]: 13: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {17639#true} is VALID [2020-07-28 19:04:39,149 INFO L280 TraceCheckUtils]: 14: Hoare triple {17639#true} assume 0 != test_~tmp___2~0; {17639#true} is VALID [2020-07-28 19:04:39,149 INFO L280 TraceCheckUtils]: 15: Hoare triple {17639#true} assume !(0 != ~pumpRunning~0); {17639#true} is VALID [2020-07-28 19:04:39,149 INFO L280 TraceCheckUtils]: 16: Hoare triple {17639#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {17639#true} is VALID [2020-07-28 19:04:39,150 INFO L280 TraceCheckUtils]: 17: Hoare triple {17639#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {17639#true} is VALID [2020-07-28 19:04:39,150 INFO L280 TraceCheckUtils]: 18: Hoare triple {17639#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {17639#true} is VALID [2020-07-28 19:04:39,150 INFO L280 TraceCheckUtils]: 19: Hoare triple {17639#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {17639#true} is VALID [2020-07-28 19:04:39,151 INFO L280 TraceCheckUtils]: 20: Hoare triple {17639#true} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {17639#true} is VALID [2020-07-28 19:04:39,152 INFO L280 TraceCheckUtils]: 21: Hoare triple {17639#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {17639#true} is VALID [2020-07-28 19:04:39,152 INFO L280 TraceCheckUtils]: 22: Hoare triple {17639#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {17639#true} is VALID [2020-07-28 19:04:39,152 INFO L280 TraceCheckUtils]: 23: Hoare triple {17639#true} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {17639#true} is VALID [2020-07-28 19:04:39,153 INFO L280 TraceCheckUtils]: 24: Hoare triple {17639#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {17639#true} is VALID [2020-07-28 19:04:39,153 INFO L280 TraceCheckUtils]: 25: Hoare triple {17639#true} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {17639#true} is VALID [2020-07-28 19:04:39,153 INFO L280 TraceCheckUtils]: 26: Hoare triple {17639#true} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {17639#true} is VALID [2020-07-28 19:04:39,153 INFO L280 TraceCheckUtils]: 27: Hoare triple {17639#true} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {17639#true} is VALID [2020-07-28 19:04:39,154 INFO L280 TraceCheckUtils]: 28: Hoare triple {17639#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {17639#true} is VALID [2020-07-28 19:04:39,154 INFO L280 TraceCheckUtils]: 29: Hoare triple {17639#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {17639#true} is VALID [2020-07-28 19:04:39,157 INFO L280 TraceCheckUtils]: 30: Hoare triple {17639#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {17639#true} is VALID [2020-07-28 19:04:39,158 INFO L280 TraceCheckUtils]: 31: Hoare triple {17639#true} assume !false; {17639#true} is VALID [2020-07-28 19:04:39,158 INFO L280 TraceCheckUtils]: 32: Hoare triple {17639#true} assume test_~splverifierCounter~0 < 4; {17639#true} is VALID [2020-07-28 19:04:39,159 INFO L280 TraceCheckUtils]: 33: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {17639#true} is VALID [2020-07-28 19:04:39,159 INFO L280 TraceCheckUtils]: 34: Hoare triple {17639#true} assume !(0 != test_~tmp~1); {17639#true} is VALID [2020-07-28 19:04:39,159 INFO L280 TraceCheckUtils]: 35: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {17639#true} is VALID [2020-07-28 19:04:39,160 INFO L280 TraceCheckUtils]: 36: Hoare triple {17639#true} assume !(0 != test_~tmp___0~1); {17639#true} is VALID [2020-07-28 19:04:39,160 INFO L280 TraceCheckUtils]: 37: Hoare triple {17639#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {17639#true} is VALID [2020-07-28 19:04:39,161 INFO L280 TraceCheckUtils]: 38: Hoare triple {17639#true} assume 0 != test_~tmp___2~0; {17639#true} is VALID [2020-07-28 19:04:39,161 INFO L280 TraceCheckUtils]: 39: Hoare triple {17639#true} assume 0 != ~pumpRunning~0; {17639#true} is VALID [2020-07-28 19:04:39,161 INFO L280 TraceCheckUtils]: 40: Hoare triple {17639#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {17639#true} is VALID [2020-07-28 19:04:39,162 INFO L280 TraceCheckUtils]: 41: Hoare triple {17639#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {17639#true} is VALID [2020-07-28 19:04:39,163 INFO L280 TraceCheckUtils]: 42: Hoare triple {17639#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {17641#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= ~waterLevel~0 0))} is VALID [2020-07-28 19:04:39,164 INFO L280 TraceCheckUtils]: 43: Hoare triple {17641#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= ~waterLevel~0 0))} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {17642#(or (<= ~waterLevel~0 0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6))} is VALID [2020-07-28 19:04:39,165 INFO L280 TraceCheckUtils]: 44: Hoare triple {17642#(or (<= ~waterLevel~0 0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6))} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,166 INFO L280 TraceCheckUtils]: 45: Hoare triple {17643#(<= ~waterLevel~0 0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,166 INFO L280 TraceCheckUtils]: 46: Hoare triple {17643#(<= ~waterLevel~0 0)} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,167 INFO L280 TraceCheckUtils]: 47: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,168 INFO L280 TraceCheckUtils]: 48: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !(0 == ~pumpRunning~0); {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,169 INFO L280 TraceCheckUtils]: 49: Hoare triple {17643#(<= ~waterLevel~0 0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,169 INFO L280 TraceCheckUtils]: 50: Hoare triple {17643#(<= ~waterLevel~0 0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,170 INFO L280 TraceCheckUtils]: 51: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,171 INFO L280 TraceCheckUtils]: 52: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !false; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,171 INFO L280 TraceCheckUtils]: 53: Hoare triple {17643#(<= ~waterLevel~0 0)} assume test_~splverifierCounter~0 < 4; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,172 INFO L280 TraceCheckUtils]: 54: Hoare triple {17643#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,173 INFO L280 TraceCheckUtils]: 55: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !(0 != test_~tmp~1); {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,173 INFO L280 TraceCheckUtils]: 56: Hoare triple {17643#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,174 INFO L280 TraceCheckUtils]: 57: Hoare triple {17643#(<= ~waterLevel~0 0)} assume !(0 != test_~tmp___0~1); {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,175 INFO L280 TraceCheckUtils]: 58: Hoare triple {17643#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,176 INFO L280 TraceCheckUtils]: 59: Hoare triple {17643#(<= ~waterLevel~0 0)} assume 0 != test_~tmp___2~0; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,176 INFO L280 TraceCheckUtils]: 60: Hoare triple {17643#(<= ~waterLevel~0 0)} assume 0 != ~pumpRunning~0; {17643#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:39,177 INFO L280 TraceCheckUtils]: 61: Hoare triple {17643#(<= ~waterLevel~0 0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {17640#false} is VALID [2020-07-28 19:04:39,177 INFO L280 TraceCheckUtils]: 62: Hoare triple {17640#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {17640#false} is VALID [2020-07-28 19:04:39,177 INFO L280 TraceCheckUtils]: 63: Hoare triple {17640#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 64: Hoare triple {17640#false} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 65: Hoare triple {17640#false} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 66: Hoare triple {17640#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 67: Hoare triple {17640#false} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 68: Hoare triple {17640#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {17640#false} is VALID [2020-07-28 19:04:39,178 INFO L280 TraceCheckUtils]: 69: Hoare triple {17640#false} assume !(0 == ~pumpRunning~0); {17640#false} is VALID [2020-07-28 19:04:39,179 INFO L280 TraceCheckUtils]: 70: Hoare triple {17640#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {17640#false} is VALID [2020-07-28 19:04:39,179 INFO L280 TraceCheckUtils]: 71: Hoare triple {17640#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {17640#false} is VALID [2020-07-28 19:04:39,179 INFO L280 TraceCheckUtils]: 72: Hoare triple {17640#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {17640#false} is VALID [2020-07-28 19:04:39,180 INFO L280 TraceCheckUtils]: 73: Hoare triple {17640#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {17640#false} is VALID [2020-07-28 19:04:39,180 INFO L280 TraceCheckUtils]: 74: Hoare triple {17640#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {17640#false} is VALID [2020-07-28 19:04:39,180 INFO L280 TraceCheckUtils]: 75: Hoare triple {17640#false} assume !false; {17640#false} is VALID [2020-07-28 19:04:39,187 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 19:04:39,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165042226] [2020-07-28 19:04:39,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:39,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:39,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456817633] [2020-07-28 19:04:39,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:39,190 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:39,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:39,286 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 19:04:39,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:39,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:39,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:39,288 INFO L87 Difference]: Start difference. First operand 351 states and 471 transitions. Second operand 5 states. [2020-07-28 19:04:42,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:42,515 INFO L93 Difference]: Finished difference Result 1081 states and 1452 transitions. [2020-07-28 19:04:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:42,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2020-07-28 19:04:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2020-07-28 19:04:42,523 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 258 transitions. [2020-07-28 19:04:42,904 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 258 edges. 258 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:42,931 INFO L225 Difference]: With dead ends: 1081 [2020-07-28 19:04:42,931 INFO L226 Difference]: Without dead ends: 735 [2020-07-28 19:04:42,932 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 19:04:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-07-28 19:04:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 365. [2020-07-28 19:04:43,962 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:43,962 INFO L82 GeneralOperation]: Start isEquivalent. First operand 735 states. Second operand 365 states. [2020-07-28 19:04:43,962 INFO L74 IsIncluded]: Start isIncluded. First operand 735 states. Second operand 365 states. [2020-07-28 19:04:43,962 INFO L87 Difference]: Start difference. First operand 735 states. Second operand 365 states. [2020-07-28 19:04:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:43,998 INFO L93 Difference]: Finished difference Result 735 states and 975 transitions. [2020-07-28 19:04:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 975 transitions. [2020-07-28 19:04:44,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:44,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:44,000 INFO L74 IsIncluded]: Start isIncluded. First operand 365 states. Second operand 735 states. [2020-07-28 19:04:44,001 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 735 states. [2020-07-28 19:04:44,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:44,032 INFO L93 Difference]: Finished difference Result 735 states and 975 transitions. [2020-07-28 19:04:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 975 transitions. [2020-07-28 19:04:44,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:44,034 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:44,034 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:44,035 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-07-28 19:04:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 491 transitions. [2020-07-28 19:04:44,054 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 491 transitions. Word has length 76 [2020-07-28 19:04:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:44,054 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 491 transitions. [2020-07-28 19:04:44,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 491 transitions. [2020-07-28 19:04:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-28 19:04:44,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:44,056 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 19:04:44,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:04:44,057 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:44,057 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2020-07-28 19:04:44,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:44,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361682505] [2020-07-28 19:04:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:44,172 INFO L280 TraceCheckUtils]: 0: Hoare triple {21132#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {21132#true} is VALID [2020-07-28 19:04:44,173 INFO L280 TraceCheckUtils]: 1: Hoare triple {21132#true} havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; {21132#true} is VALID [2020-07-28 19:04:44,173 INFO L280 TraceCheckUtils]: 2: Hoare triple {21132#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {21132#true} is VALID [2020-07-28 19:04:44,173 INFO L280 TraceCheckUtils]: 3: Hoare triple {21132#true} main_#t~ret29 := valid_product_#res;assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; {21132#true} is VALID [2020-07-28 19:04:44,174 INFO L280 TraceCheckUtils]: 4: Hoare triple {21132#true} assume 0 != main_~tmp~7; {21132#true} is VALID [2020-07-28 19:04:44,174 INFO L280 TraceCheckUtils]: 5: Hoare triple {21132#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {21132#true} is VALID [2020-07-28 19:04:44,174 INFO L280 TraceCheckUtils]: 6: Hoare triple {21132#true} assume !false; {21132#true} is VALID [2020-07-28 19:04:44,175 INFO L280 TraceCheckUtils]: 7: Hoare triple {21132#true} assume test_~splverifierCounter~0 < 4; {21132#true} is VALID [2020-07-28 19:04:44,175 INFO L280 TraceCheckUtils]: 8: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {21132#true} is VALID [2020-07-28 19:04:44,175 INFO L280 TraceCheckUtils]: 9: Hoare triple {21132#true} assume 0 != test_~tmp~1; {21132#true} is VALID [2020-07-28 19:04:44,175 INFO L280 TraceCheckUtils]: 10: Hoare triple {21132#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 11: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 12: Hoare triple {21132#true} assume !(0 != test_~tmp___0~1); {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 13: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 14: Hoare triple {21132#true} assume 0 != test_~tmp___2~0; {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 15: Hoare triple {21132#true} assume !(0 != ~pumpRunning~0); {21132#true} is VALID [2020-07-28 19:04:44,176 INFO L280 TraceCheckUtils]: 16: Hoare triple {21132#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {21132#true} is VALID [2020-07-28 19:04:44,177 INFO L280 TraceCheckUtils]: 17: Hoare triple {21132#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {21132#true} is VALID [2020-07-28 19:04:44,177 INFO L280 TraceCheckUtils]: 18: Hoare triple {21132#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {21132#true} is VALID [2020-07-28 19:04:44,177 INFO L280 TraceCheckUtils]: 19: Hoare triple {21132#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {21132#true} is VALID [2020-07-28 19:04:44,178 INFO L280 TraceCheckUtils]: 20: Hoare triple {21132#true} isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret27 && isHighWaterLevel_#t~ret27 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; {21132#true} is VALID [2020-07-28 19:04:44,178 INFO L280 TraceCheckUtils]: 21: Hoare triple {21132#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {21132#true} is VALID [2020-07-28 19:04:44,178 INFO L280 TraceCheckUtils]: 22: Hoare triple {21132#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {21132#true} is VALID [2020-07-28 19:04:44,178 INFO L280 TraceCheckUtils]: 23: Hoare triple {21132#true} processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret7 && processEnvironment__wrappee__highWaterSensor_#t~ret7 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; {21132#true} is VALID [2020-07-28 19:04:44,178 INFO L280 TraceCheckUtils]: 24: Hoare triple {21132#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc activatePump_#t~ret9, activatePump_~tmp~4;havoc activatePump_~tmp~4;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret10, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {21132#true} is VALID [2020-07-28 19:04:44,179 INFO L280 TraceCheckUtils]: 25: Hoare triple {21132#true} isMethaneAlarm_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret10 && isMethaneAlarm_#t~ret10 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret10;havoc isMethaneAlarm_#t~ret10;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {21132#true} is VALID [2020-07-28 19:04:44,179 INFO L280 TraceCheckUtils]: 26: Hoare triple {21132#true} activatePump_#t~ret9 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret9 && activatePump_#t~ret9 <= 2147483647;activatePump_~tmp~4 := activatePump_#t~ret9;havoc activatePump_#t~ret9; {21132#true} is VALID [2020-07-28 19:04:44,179 INFO L280 TraceCheckUtils]: 27: Hoare triple {21132#true} assume !(0 != activatePump_~tmp~4);~pumpRunning~0 := 1; {21132#true} is VALID [2020-07-28 19:04:44,180 INFO L280 TraceCheckUtils]: 28: Hoare triple {21132#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {21132#true} is VALID [2020-07-28 19:04:44,180 INFO L280 TraceCheckUtils]: 29: Hoare triple {21132#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {21132#true} is VALID [2020-07-28 19:04:44,180 INFO L280 TraceCheckUtils]: 30: Hoare triple {21132#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {21132#true} is VALID [2020-07-28 19:04:44,180 INFO L280 TraceCheckUtils]: 31: Hoare triple {21132#true} assume !false; {21132#true} is VALID [2020-07-28 19:04:44,181 INFO L280 TraceCheckUtils]: 32: Hoare triple {21132#true} assume test_~splverifierCounter~0 < 4; {21132#true} is VALID [2020-07-28 19:04:44,181 INFO L280 TraceCheckUtils]: 33: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {21132#true} is VALID [2020-07-28 19:04:44,181 INFO L280 TraceCheckUtils]: 34: Hoare triple {21132#true} assume !(0 != test_~tmp~1); {21132#true} is VALID [2020-07-28 19:04:44,181 INFO L280 TraceCheckUtils]: 35: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {21132#true} is VALID [2020-07-28 19:04:44,182 INFO L280 TraceCheckUtils]: 36: Hoare triple {21132#true} assume !(0 != test_~tmp___0~1); {21132#true} is VALID [2020-07-28 19:04:44,182 INFO L280 TraceCheckUtils]: 37: Hoare triple {21132#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {21132#true} is VALID [2020-07-28 19:04:44,182 INFO L280 TraceCheckUtils]: 38: Hoare triple {21132#true} assume 0 != test_~tmp___2~0; {21132#true} is VALID [2020-07-28 19:04:44,183 INFO L280 TraceCheckUtils]: 39: Hoare triple {21132#true} assume 0 != ~pumpRunning~0; {21132#true} is VALID [2020-07-28 19:04:44,183 INFO L280 TraceCheckUtils]: 40: Hoare triple {21132#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21132#true} is VALID [2020-07-28 19:04:44,184 INFO L280 TraceCheckUtils]: 41: Hoare triple {21132#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {21132#true} is VALID [2020-07-28 19:04:44,184 INFO L280 TraceCheckUtils]: 42: Hoare triple {21132#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {21132#true} is VALID [2020-07-28 19:04:44,184 INFO L280 TraceCheckUtils]: 43: Hoare triple {21132#true} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {21132#true} is VALID [2020-07-28 19:04:44,188 INFO L280 TraceCheckUtils]: 44: Hoare triple {21132#true} assume !(0 != isLowWaterLevel_~tmp~6);isLowWaterLevel_~tmp___0~3 := 1; {21134#(= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} is VALID [2020-07-28 19:04:44,189 INFO L280 TraceCheckUtils]: 45: Hoare triple {21134#(= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {21135#(= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:44,190 INFO L280 TraceCheckUtils]: 46: Hoare triple {21135#(= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {21136#(= 1 ULTIMATE.start_processEnvironment_~tmp~3)} is VALID [2020-07-28 19:04:44,191 INFO L280 TraceCheckUtils]: 47: Hoare triple {21136#(= 1 ULTIMATE.start_processEnvironment_~tmp~3)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {21133#false} is VALID [2020-07-28 19:04:44,191 INFO L280 TraceCheckUtils]: 48: Hoare triple {21133#false} assume !(0 == ~pumpRunning~0); {21133#false} is VALID [2020-07-28 19:04:44,192 INFO L280 TraceCheckUtils]: 49: Hoare triple {21133#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {21133#false} is VALID [2020-07-28 19:04:44,192 INFO L280 TraceCheckUtils]: 50: Hoare triple {21133#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {21133#false} is VALID [2020-07-28 19:04:44,192 INFO L280 TraceCheckUtils]: 51: Hoare triple {21133#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {21133#false} is VALID [2020-07-28 19:04:44,192 INFO L280 TraceCheckUtils]: 52: Hoare triple {21133#false} assume !false; {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 53: Hoare triple {21133#false} assume test_~splverifierCounter~0 < 4; {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 54: Hoare triple {21133#false} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 55: Hoare triple {21133#false} assume !(0 != test_~tmp~1); {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 56: Hoare triple {21133#false} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 57: Hoare triple {21133#false} assume !(0 != test_~tmp___0~1); {21133#false} is VALID [2020-07-28 19:04:44,193 INFO L280 TraceCheckUtils]: 58: Hoare triple {21133#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {21133#false} is VALID [2020-07-28 19:04:44,194 INFO L280 TraceCheckUtils]: 59: Hoare triple {21133#false} assume 0 != test_~tmp___2~0; {21133#false} is VALID [2020-07-28 19:04:44,194 INFO L280 TraceCheckUtils]: 60: Hoare triple {21133#false} assume 0 != ~pumpRunning~0; {21133#false} is VALID [2020-07-28 19:04:44,194 INFO L280 TraceCheckUtils]: 61: Hoare triple {21133#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21133#false} is VALID [2020-07-28 19:04:44,194 INFO L280 TraceCheckUtils]: 62: Hoare triple {21133#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {21133#false} is VALID [2020-07-28 19:04:44,194 INFO L280 TraceCheckUtils]: 63: Hoare triple {21133#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret28, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~6, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~6;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~10;havoc isLowWaterSensorDry_~retValue_acc~10;isLowWaterSensorDry_~retValue_acc~10 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~10; {21133#false} is VALID [2020-07-28 19:04:44,195 INFO L280 TraceCheckUtils]: 64: Hoare triple {21133#false} isLowWaterLevel_#t~ret28 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret28 && isLowWaterLevel_#t~ret28 <= 2147483647;isLowWaterLevel_~tmp~6 := isLowWaterLevel_#t~ret28;havoc isLowWaterLevel_#t~ret28; {21133#false} is VALID [2020-07-28 19:04:44,195 INFO L280 TraceCheckUtils]: 65: Hoare triple {21133#false} assume 0 != isLowWaterLevel_~tmp~6;isLowWaterLevel_~tmp___0~3 := 0; {21133#false} is VALID [2020-07-28 19:04:44,195 INFO L280 TraceCheckUtils]: 66: Hoare triple {21133#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {21133#false} is VALID [2020-07-28 19:04:44,196 INFO L280 TraceCheckUtils]: 67: Hoare triple {21133#false} processEnvironment_#t~ret8 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret8 && processEnvironment_#t~ret8 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; {21133#false} is VALID [2020-07-28 19:04:44,196 INFO L280 TraceCheckUtils]: 68: Hoare triple {21133#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {21133#false} is VALID [2020-07-28 19:04:44,196 INFO L280 TraceCheckUtils]: 69: Hoare triple {21133#false} assume !(0 == ~pumpRunning~0); {21133#false} is VALID [2020-07-28 19:04:44,196 INFO L280 TraceCheckUtils]: 70: Hoare triple {21133#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {21133#false} is VALID [2020-07-28 19:04:44,196 INFO L280 TraceCheckUtils]: 71: Hoare triple {21133#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {21133#false} is VALID [2020-07-28 19:04:44,197 INFO L280 TraceCheckUtils]: 72: Hoare triple {21133#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {21133#false} is VALID [2020-07-28 19:04:44,197 INFO L280 TraceCheckUtils]: 73: Hoare triple {21133#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {21133#false} is VALID [2020-07-28 19:04:44,197 INFO L280 TraceCheckUtils]: 74: Hoare triple {21133#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {21133#false} is VALID [2020-07-28 19:04:44,198 INFO L280 TraceCheckUtils]: 75: Hoare triple {21133#false} assume !false; {21133#false} is VALID [2020-07-28 19:04:44,201 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 19:04:44,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361682505] [2020-07-28 19:04:44,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:44,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:44,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116397300] [2020-07-28 19:04:44,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:44,203 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:44,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:44,274 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 19:04:44,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:44,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:44,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:44,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:44,276 INFO L87 Difference]: Start difference. First operand 365 states and 491 transitions. Second operand 5 states. [2020-07-28 19:04:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:45,881 INFO L93 Difference]: Finished difference Result 678 states and 904 transitions. [2020-07-28 19:04:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:45,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-28 19:04:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 209 transitions. [2020-07-28 19:04:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:45,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 209 transitions. [2020-07-28 19:04:45,886 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 209 transitions. [2020-07-28 19:04:46,110 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:46,110 INFO L225 Difference]: With dead ends: 678 [2020-07-28 19:04:46,110 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:04:46,112 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 19:04:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:04:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:04:46,112 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:46,113 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:46,113 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:46,113 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:46,114 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:46,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:46,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:46,114 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:46,114 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:46,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:46,115 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:46,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:46,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:46,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:46,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:04:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:04:46,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-07-28 19:04:46,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:46,117 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:04:46,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:46,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:46,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-28 19:04:46,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:04:46,493 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 143 [2020-07-28 19:04:46,836 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 173 [2020-07-28 19:04:47,117 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 162 [2020-07-28 19:04:47,386 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2020-07-28 19:04:47,584 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 159 [2020-07-28 19:04:47,800 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 162 [2020-07-28 19:04:48,083 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 148 [2020-07-28 19:04:48,289 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 14 [2020-07-28 19:04:48,944 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2020-07-28 19:04:49,929 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-07-28 19:04:51,025 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2020-07-28 19:04:52,083 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2020-07-28 19:04:52,203 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 14 [2020-07-28 19:04:53,208 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 15 [2020-07-28 19:04:54,322 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2020-07-28 19:04:54,842 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 22 [2020-07-28 19:04:55,256 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 20 [2020-07-28 19:04:56,124 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-28 19:04:56,604 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 9 [2020-07-28 19:04:56,612 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,612 INFO L268 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-07-28 19:04:56,612 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-07-28 19:04:56,612 INFO L268 CegarLoopResult]: For program point L432-1(lines 194 200) no Hoare annotation was computed. [2020-07-28 19:04:56,613 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)))) [2020-07-28 19:04:56,613 INFO L264 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2020-07-28 19:04:56,613 INFO L264 CegarLoopResult]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2020-07-28 19:04:56,613 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-28 19:04:56,614 INFO L271 CegarLoopResult]: At program point L499-1(lines 499 506) the Hoare annotation is: true [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: false [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L601(lines 592 605) the Hoare annotation is: (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_processEnvironment_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6)) [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L601-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0))) (or (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L601-2(lines 592 605) the Hoare annotation is: false [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L601-3(lines 592 605) the Hoare annotation is: false [2020-07-28 19:04:56,614 INFO L264 CegarLoopResult]: At program point L601-4(lines 592 605) the Hoare annotation is: false [2020-07-28 19:04:56,615 INFO L264 CegarLoopResult]: At program point L601-5(lines 592 605) the Hoare annotation is: false [2020-07-28 19:04:56,615 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-07-28 19:04:56,615 INFO L264 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L372-3(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L372-5(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,615 INFO L268 CegarLoopResult]: For program point L372-6(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-8(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-9(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-11(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-12(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-14(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-15(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,616 INFO L268 CegarLoopResult]: For program point L372-17(lines 372 376) no Hoare annotation was computed. [2020-07-28 19:04:56,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,618 INFO L268 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-07-28 19:04:56,618 INFO L264 CegarLoopResult]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:56,618 INFO L271 CegarLoopResult]: At program point L508(lines 489 511) the Hoare annotation is: true [2020-07-28 19:04:56,618 INFO L264 CegarLoopResult]: At program point L476(lines 472 478) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:56,619 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-28 19:04:56,619 INFO L264 CegarLoopResult]: At program point L378(lines 363 381) the Hoare annotation is: (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_processEnvironment_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6)) [2020-07-28 19:04:56,619 INFO L264 CegarLoopResult]: At program point L378-1(lines 363 381) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) [2020-07-28 19:04:56,619 INFO L264 CegarLoopResult]: At program point L378-2(lines 363 381) the Hoare annotation is: false [2020-07-28 19:04:56,619 INFO L264 CegarLoopResult]: At program point L378-3(lines 363 381) the Hoare annotation is: false [2020-07-28 19:04:56,620 INFO L264 CegarLoopResult]: At program point L378-4(lines 363 381) the Hoare annotation is: false [2020-07-28 19:04:56,620 INFO L264 CegarLoopResult]: At program point L378-5(lines 363 381) the Hoare annotation is: false [2020-07-28 19:04:56,620 INFO L264 CegarLoopResult]: At program point L611(lines 606 614) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0)) [2020-07-28 19:04:56,620 INFO L264 CegarLoopResult]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2020-07-28 19:04:56,620 INFO L264 CegarLoopResult]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314(lines 307 317) the Hoare annotation is: false [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314-1(lines 307 317) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314-2(lines 307 317) the Hoare annotation is: false [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314-3(lines 307 317) the Hoare annotation is: false [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314-4(lines 307 317) the Hoare annotation is: false [2020-07-28 19:04:56,621 INFO L264 CegarLoopResult]: At program point L314-5(lines 307 317) the Hoare annotation is: false [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed. [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed. [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point L252-1(lines 252 269) no Hoare annotation was computed. [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 269) no Hoare annotation was computed. [2020-07-28 19:04:56,622 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-07-28 19:04:56,623 INFO L264 CegarLoopResult]: At program point L89-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse5 (<= ~waterLevel~0 1)))) [2020-07-28 19:04:56,623 INFO L268 CegarLoopResult]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2020-07-28 19:04:56,623 INFO L264 CegarLoopResult]: At program point L89-3(lines 1 989) the Hoare annotation is: false [2020-07-28 19:04:56,623 INFO L268 CegarLoopResult]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2020-07-28 19:04:56,623 INFO L264 CegarLoopResult]: At program point L89-5(lines 1 989) the Hoare annotation is: false [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point L519-6(lines 519 523) no Hoare annotation was computed. [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed. [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,624 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L256-1(lines 256 264) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,625 INFO L268 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L289-6(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L289-8(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L289-10(lines 289 295) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,626 INFO L268 CegarLoopResult]: For program point L620-2(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,627 INFO L264 CegarLoopResult]: At program point L323(lines 318 326) the Hoare annotation is: false [2020-07-28 19:04:56,627 INFO L264 CegarLoopResult]: At program point L323-1(lines 318 326) the Hoare annotation is: false [2020-07-28 19:04:56,627 INFO L264 CegarLoopResult]: At program point L323-2(lines 318 326) the Hoare annotation is: false [2020-07-28 19:04:56,627 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-07-28 19:04:56,627 INFO L264 CegarLoopResult]: At program point L158-1(lines 194 200) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)))) [2020-07-28 19:04:56,628 INFO L264 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)) .cse1))) [2020-07-28 19:04:56,628 INFO L264 CegarLoopResult]: At program point L588-1(lines 583 591) the Hoare annotation is: false [2020-07-28 19:04:56,628 INFO L264 CegarLoopResult]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2020-07-28 19:04:56,628 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-07-28 19:04:56,628 INFO L268 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-07-28 19:04:56,628 INFO L268 CegarLoopResult]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2020-07-28 19:04:56,629 INFO L264 CegarLoopResult]: At program point L556(lines 551 559) the Hoare annotation is: false [2020-07-28 19:04:56,629 INFO L264 CegarLoopResult]: At program point L556-1(lines 551 559) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-28 19:04:56,629 INFO L264 CegarLoopResult]: At program point L556-2(lines 551 559) the Hoare annotation is: false [2020-07-28 19:04:56,629 INFO L264 CegarLoopResult]: At program point L556-3(lines 551 559) the Hoare annotation is: false [2020-07-28 19:04:56,629 INFO L264 CegarLoopResult]: At program point L556-4(lines 551 559) the Hoare annotation is: false [2020-07-28 19:04:56,630 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,630 INFO L264 CegarLoopResult]: At program point L556-5(lines 551 559) the Hoare annotation is: false [2020-07-28 19:04:56,630 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,630 INFO L268 CegarLoopResult]: For program point L391-3(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,630 INFO L268 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L391-5(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L391-6(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L226-3(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,631 INFO L268 CegarLoopResult]: For program point L391-8(lines 391 395) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L226-4(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L226-5(lines 226 243) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L264 CegarLoopResult]: At program point L194(lines 193 212) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1))) [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L264 CegarLoopResult]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2020-07-28 19:04:56,632 INFO L264 CegarLoopResult]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2020-07-28 19:04:56,632 INFO L264 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,632 INFO L268 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L230-3(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L230-4(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L264 CegarLoopResult]: At program point L65(lines 1 989) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L230-5(lines 230 238) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L268 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-07-28 19:04:56,633 INFO L264 CegarLoopResult]: At program point L132-1(lines 132 138) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:56,634 INFO L264 CegarLoopResult]: At program point L397(lines 382 400) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6)) [2020-07-28 19:04:56,634 INFO L264 CegarLoopResult]: At program point L397-1(lines 382 400) the Hoare annotation is: false [2020-07-28 19:04:56,634 INFO L264 CegarLoopResult]: At program point L397-2(lines 382 400) the Hoare annotation is: false [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596-2(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596-4(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,634 INFO L268 CegarLoopResult]: For program point L596-5(lines 596 602) no Hoare annotation was computed. [2020-07-28 19:04:56,638 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:04:56,638 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:04:56,639 WARN L170 areAnnotationChecker]: L499 has no Hoare annotation [2020-07-28 19:04:56,639 WARN L170 areAnnotationChecker]: L499 has no Hoare annotation [2020-07-28 19:04:56,639 WARN L170 areAnnotationChecker]: L499 has no Hoare annotation [2020-07-28 19:04:56,640 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L519-3 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L519-3 has no Hoare annotation [2020-07-28 19:04:56,641 WARN L170 areAnnotationChecker]: L252-1 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L252-1 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L252-1 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L391-3 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L226-3 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L226-3 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 19:04:56,642 WARN L170 areAnnotationChecker]: L391-3 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L391-3 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L596-3 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L596-3 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L391-5 has no Hoare annotation [2020-07-28 19:04:56,643 WARN L170 areAnnotationChecker]: L372-9 has no Hoare annotation [2020-07-28 19:04:56,644 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:04:56,644 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 19:04:56,644 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 19:04:56,644 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L372-9 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L372-9 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:04:56,645 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L372-11 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2020-07-28 19:04:56,646 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2020-07-28 19:04:56,647 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:04:56,647 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:04:56,647 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:04:56,647 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L230-3 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:04:56,648 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:04:56,649 WARN L170 areAnnotationChecker]: L596-2 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L596-2 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L230-3 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L230-3 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L432-1 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L432-1 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L372-6 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L519-6 has no Hoare annotation [2020-07-28 19:04:56,650 WARN L170 areAnnotationChecker]: L519-6 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L252-2 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L372-6 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L372-6 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L289-6 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L252-2 has no Hoare annotation [2020-07-28 19:04:56,651 WARN L170 areAnnotationChecker]: L252-2 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L391-2 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L372-3 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L372-8 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L289-6 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L289-6 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L391-6 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L226-5 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L226-5 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L256 has no Hoare annotation [2020-07-28 19:04:56,652 WARN L170 areAnnotationChecker]: L372-3 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L372-3 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L391-6 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L391-6 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L596-5 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L596-5 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L256 has no Hoare annotation [2020-07-28 19:04:56,653 WARN L170 areAnnotationChecker]: L256 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L372-5 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L391-8 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L372-15 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2020-07-28 19:04:56,654 WARN L170 areAnnotationChecker]: L230-1 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L256-2 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L372-15 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L372-15 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L230-1 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L230-1 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L289-4 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L256-2 has no Hoare annotation [2020-07-28 19:04:56,655 WARN L170 areAnnotationChecker]: L256-2 has no Hoare annotation [2020-07-28 19:04:56,656 WARN L170 areAnnotationChecker]: L372-17 has no Hoare annotation [2020-07-28 19:04:56,656 WARN L170 areAnnotationChecker]: L620-2 has no Hoare annotation [2020-07-28 19:04:56,656 WARN L170 areAnnotationChecker]: L620-2 has no Hoare annotation [2020-07-28 19:04:56,656 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L289-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L289-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L226-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L226-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L230-5 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L596-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L596-4 has no Hoare annotation [2020-07-28 19:04:56,657 WARN L170 areAnnotationChecker]: L230-5 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L230-5 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L372-2 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L372-12 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L372-12 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L372-12 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L289-10 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L372-14 has no Hoare annotation [2020-07-28 19:04:56,658 WARN L170 areAnnotationChecker]: L289-10 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289-10 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L230-4 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L230-4 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L230-4 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289-8 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289-8 has no Hoare annotation [2020-07-28 19:04:56,659 WARN L170 areAnnotationChecker]: L289-8 has no Hoare annotation [2020-07-28 19:04:56,659 INFO L163 areAnnotationChecker]: CFG has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:04:56,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:04:56 BoogieIcfgContainer [2020-07-28 19:04:56,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:04:56,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:04:56,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:04:56,695 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:04:56,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:14" (3/4) ... [2020-07-28 19:04:56,704 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:04:56,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:04:56,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:04:56,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:04:56,732 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:04:56,733 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:04:56,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:56,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:56,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive [2020-07-28 19:04:56,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive [2020-07-28 19:04:56,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= tmp) && !(0 == systemActive)) && 1 <= \result) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) [2020-07-28 19:04:56,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) [2020-07-28 19:04:56,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) [2020-07-28 19:04:56,775 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) || (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= \result) [2020-07-28 19:04:56,776 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel [2020-07-28 19:04:56,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) || (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == pumpRunning) [2020-07-28 19:04:56,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 <= waterLevel) && 1 == tmp___0) && 0 == tmp [2020-07-28 19:04:56,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) || (((((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 0 == tmp___0) [2020-07-28 19:04:56,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 0 == \result) && 0 == tmp) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp [2020-07-28 19:04:56,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == \result && 0 == \result) && 0 == tmp) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp) && 0 == tmp___0) && 0 == tmp [2020-07-28 19:04:56,865 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:04:56,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:04:56,868 INFO L168 Benchmark]: Toolchain (without parser) took 45279.57 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 724.6 MB). Free memory was 961.6 MB in the beginning and 1.2 GB in the end (delta: -251.8 MB). Peak memory consumption was 472.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,868 INFO L168 Benchmark]: CDTParser took 0.29 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 19:04:56,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,870 INFO L168 Benchmark]: Boogie Preprocessor took 59.96 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,870 INFO L168 Benchmark]: RCFGBuilder took 1781.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 185.5 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,871 INFO L168 Benchmark]: TraceAbstraction took 42376.74 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 584.1 MB). Free memory was 916.0 MB in the beginning and 1.2 GB in the end (delta: -315.5 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,871 INFO L168 Benchmark]: Witness Printer took 171.74 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:56,875 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 0.29 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 776.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.96 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1781.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 185.5 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42376.74 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 584.1 MB). Free memory was 916.0 MB in the beginning and 1.2 GB in the end (delta: -315.5 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. * Witness Printer took 171.74 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: 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: 307]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == pumpRunning - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) || (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((0 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == pumpRunning - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) || ((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) || (((((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 0 == tmp___0) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((1 == \result && 0 == \result) && 0 == tmp) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((1 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) || (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == pumpRunning) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= tmp) && !(0 == systemActive)) && 1 <= \result) || ((((0 == splverifierCounter && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning)) || ((((0 == splverifierCounter && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((((((((1 == \result && 0 == \result) && 0 == tmp) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp) && 0 == tmp___0) && 0 == tmp - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 <= waterLevel) && 1 == tmp___0) && 0 == tmp - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1534 SDtfs, 2130 SDslu, 2474 SDs, 0 SdLazy, 321 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred 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: 5.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1949 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 183 NumberOfFragments, 546 HoareAnnotationTreeSize, 56 FomulaSimplifications, 524519 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 849447 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 633 NumberOfCodeBlocks, 633 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 51658 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 188/196 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...