./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_spec5_product43.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 77b70849cb3dcecd37b0edacca9651109dbc42ac ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:05:29,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:05:29,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:05:29,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:05:29,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:05:29,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:05:29,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:05:29,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:05:29,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:05:29,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:05:29,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:05:29,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:05:29,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:05:29,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:05:29,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:05:29,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:05:29,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:05:29,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:05:29,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:05:29,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:05:29,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:05:29,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:05:29,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:05:29,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:05:29,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:05:29,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:05:29,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:05:29,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:05:29,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:05:29,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:05:29,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:05:29,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:05:29,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:05:29,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:05:29,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:05:29,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:05:29,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:05:29,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:05:29,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:05:29,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:05:29,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:05:29,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:05:29,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:05:29,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:05:29,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:05:29,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:05:29,458 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:05:29,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:05:29,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:05:29,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:05:29,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:05:29,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:05:29,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:05:29,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:05:29,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:05:29,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:05:29,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:05:29,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:05:29,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:05:29,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:05:29,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:05:29,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:05:29,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:05:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:05:29,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:05:29,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:05:29,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:05:29,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:05:29,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:05:29,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:05:29,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:05:29,470 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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2020-07-28 19:05:29,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:05:29,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:05:29,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:05:29,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:05:29,861 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:05:29,862 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-07-28 19:05:29,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe668a0e3/3e15536c25a5468b9b52c61f6af5bc2e/FLAG07101d7d1 [2020-07-28 19:05:30,476 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:05:30,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-07-28 19:05:30,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe668a0e3/3e15536c25a5468b9b52c61f6af5bc2e/FLAG07101d7d1 [2020-07-28 19:05:30,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe668a0e3/3e15536c25a5468b9b52c61f6af5bc2e [2020-07-28 19:05:30,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:05:30,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:05:30,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:30,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:05:30,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:05:30,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:30" (1/1) ... [2020-07-28 19:05:30,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:30, skipping insertion in model container [2020-07-28 19:05:30,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:30" (1/1) ... [2020-07-28 19:05:30,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:05:30,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:05:31,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:31,353 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:05:31,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:31,508 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:05:31,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31 WrapperNode [2020-07-28 19:05:31,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:31,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:31,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:05:31,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:05:31,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:31,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:05:31,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:05:31,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:05:31,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (1/1) ... [2020-07-28 19:05:31,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:05:31,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:05:31,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:05:31,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:05:31,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (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 19:05:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:05:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:05:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:05:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:05:33,244 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:05:33,244 INFO L295 CfgBuilder]: Removed 132 assume(true) statements. [2020-07-28 19:05:33,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:33 BoogieIcfgContainer [2020-07-28 19:05:33,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:05:33,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:05:33,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:05:33,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:05:33,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:05:30" (1/3) ... [2020-07-28 19:05:33,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3f7d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:33, skipping insertion in model container [2020-07-28 19:05:33,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:31" (2/3) ... [2020-07-28 19:05:33,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3f7d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:33, skipping insertion in model container [2020-07-28 19:05:33,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:33" (3/3) ... [2020-07-28 19:05:33,259 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-07-28 19:05:33,270 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:05:33,279 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:05:33,293 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:05:33,316 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:05:33,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:05:33,316 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:05:33,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:05:33,317 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:05:33,317 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:05:33,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:05:33,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:05:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-28 19:05:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:05:33,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:33,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:33,346 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2020-07-28 19:05:33,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:33,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639827083] [2020-07-28 19:05:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:33,689 INFO L280 TraceCheckUtils]: 0: Hoare triple {101#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {101#true} is VALID [2020-07-28 19:05:33,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {101#true} is VALID [2020-07-28 19:05:33,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {101#true} is VALID [2020-07-28 19:05:33,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {101#true} is VALID [2020-07-28 19:05:33,692 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} assume 0 != main_~tmp~3; {101#true} is VALID [2020-07-28 19:05:33,692 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#true} ~switchedOnBeforeTS~0 := 0; {101#true} is VALID [2020-07-28 19:05:33,693 INFO L280 TraceCheckUtils]: 6: Hoare triple {101#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {101#true} is VALID [2020-07-28 19:05:33,694 INFO L280 TraceCheckUtils]: 7: Hoare triple {101#true} assume !true; {102#false} is VALID [2020-07-28 19:05:33,695 INFO L280 TraceCheckUtils]: 8: Hoare triple {102#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {102#false} is VALID [2020-07-28 19:05:33,695 INFO L280 TraceCheckUtils]: 9: Hoare triple {102#false} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {102#false} is VALID [2020-07-28 19:05:33,695 INFO L280 TraceCheckUtils]: 10: Hoare triple {102#false} assume !(0 != ~pumpRunning~0); {102#false} is VALID [2020-07-28 19:05:33,696 INFO L280 TraceCheckUtils]: 11: Hoare triple {102#false} assume !(0 != ~systemActive~0); {102#false} is VALID [2020-07-28 19:05:33,697 INFO L280 TraceCheckUtils]: 12: Hoare triple {102#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {102#false} is VALID [2020-07-28 19:05:33,698 INFO L280 TraceCheckUtils]: 13: Hoare triple {102#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {102#false} is VALID [2020-07-28 19:05:33,698 INFO L280 TraceCheckUtils]: 14: Hoare triple {102#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {102#false} is VALID [2020-07-28 19:05:33,699 INFO L280 TraceCheckUtils]: 15: Hoare triple {102#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {102#false} is VALID [2020-07-28 19:05:33,699 INFO L280 TraceCheckUtils]: 16: Hoare triple {102#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {102#false} is VALID [2020-07-28 19:05:33,701 INFO L280 TraceCheckUtils]: 17: Hoare triple {102#false} assume 0 == ~switchedOnBeforeTS~0; {102#false} is VALID [2020-07-28 19:05:33,701 INFO L280 TraceCheckUtils]: 18: Hoare triple {102#false} assume !false; {102#false} is VALID [2020-07-28 19:05:33,708 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 19:05:33,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639827083] [2020-07-28 19:05:33,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:33,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:33,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598658979] [2020-07-28 19:05:33,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:33,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:33,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:05:33,779 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:33,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:05:33,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:33,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:05:33,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:05:33,794 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2020-07-28 19:05:34,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:34,036 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2020-07-28 19:05:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:05:34,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:34,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 280 transitions. [2020-07-28 19:05:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 280 transitions. [2020-07-28 19:05:34,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 280 transitions. [2020-07-28 19:05:34,443 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:34,463 INFO L225 Difference]: With dead ends: 189 [2020-07-28 19:05:34,463 INFO L226 Difference]: Without dead ends: 94 [2020-07-28 19:05:34,474 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 19:05:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-28 19:05:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-28 19:05:34,552 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:34,552 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:34,553 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:34,553 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:34,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:34,561 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-07-28 19:05:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-07-28 19:05:34,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:34,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:34,563 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:34,563 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:34,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:34,570 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-07-28 19:05:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-07-28 19:05:34,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:34,572 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:34,572 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:34,572 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-28 19:05:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-07-28 19:05:34,580 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-07-28 19:05:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:34,580 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-07-28 19:05:34,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:05:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-07-28 19:05:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 19:05:34,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:34,582 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] [2020-07-28 19:05:34,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:05:34,583 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:34,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:34,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2020-07-28 19:05:34,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:34,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769608313] [2020-07-28 19:05:34,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:34,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {705#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {705#true} is VALID [2020-07-28 19:05:34,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {705#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {705#true} is VALID [2020-07-28 19:05:34,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {705#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {705#true} is VALID [2020-07-28 19:05:34,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {705#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {705#true} is VALID [2020-07-28 19:05:34,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {705#true} assume 0 != main_~tmp~3; {705#true} is VALID [2020-07-28 19:05:34,728 INFO L280 TraceCheckUtils]: 5: Hoare triple {705#true} ~switchedOnBeforeTS~0 := 0; {705#true} is VALID [2020-07-28 19:05:34,729 INFO L280 TraceCheckUtils]: 6: Hoare triple {705#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {707#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:34,730 INFO L280 TraceCheckUtils]: 7: Hoare triple {707#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {707#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:34,731 INFO L280 TraceCheckUtils]: 8: Hoare triple {707#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {706#false} is VALID [2020-07-28 19:05:34,732 INFO L280 TraceCheckUtils]: 9: Hoare triple {706#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {706#false} is VALID [2020-07-28 19:05:34,732 INFO L280 TraceCheckUtils]: 10: Hoare triple {706#false} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {706#false} is VALID [2020-07-28 19:05:34,732 INFO L280 TraceCheckUtils]: 11: Hoare triple {706#false} assume !(0 != ~pumpRunning~0); {706#false} is VALID [2020-07-28 19:05:34,733 INFO L280 TraceCheckUtils]: 12: Hoare triple {706#false} assume !(0 != ~systemActive~0); {706#false} is VALID [2020-07-28 19:05:34,733 INFO L280 TraceCheckUtils]: 13: Hoare triple {706#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {706#false} is VALID [2020-07-28 19:05:34,733 INFO L280 TraceCheckUtils]: 14: Hoare triple {706#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {706#false} is VALID [2020-07-28 19:05:34,734 INFO L280 TraceCheckUtils]: 15: Hoare triple {706#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {706#false} is VALID [2020-07-28 19:05:34,734 INFO L280 TraceCheckUtils]: 16: Hoare triple {706#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {706#false} is VALID [2020-07-28 19:05:34,734 INFO L280 TraceCheckUtils]: 17: Hoare triple {706#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {706#false} is VALID [2020-07-28 19:05:34,735 INFO L280 TraceCheckUtils]: 18: Hoare triple {706#false} assume 0 == ~switchedOnBeforeTS~0; {706#false} is VALID [2020-07-28 19:05:34,735 INFO L280 TraceCheckUtils]: 19: Hoare triple {706#false} assume !false; {706#false} is VALID [2020-07-28 19:05:34,736 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 19:05:34,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769608313] [2020-07-28 19:05:34,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:34,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:05:34,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229072805] [2020-07-28 19:05:34,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:34,740 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:34,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:34,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:34,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:34,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:34,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:34,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:34,804 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-07-28 19:05:35,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,037 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-07-28 19:05:35,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:35,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 19:05:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 19:05:35,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 132 transitions. [2020-07-28 19:05:35,208 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,210 INFO L225 Difference]: With dead ends: 94 [2020-07-28 19:05:35,211 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 19:05:35,212 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 19:05:35,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 19:05:35,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-28 19:05:35,239 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:35,240 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-28 19:05:35,240 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:05:35,240 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:05:35,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,244 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-07-28 19:05:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:05:35,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:35,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:35,245 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:05:35,246 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:05:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,249 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-07-28 19:05:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:05:35,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:35,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:35,252 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:35,252 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-28 19:05:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-07-28 19:05:35,257 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-07-28 19:05:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:35,257 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-07-28 19:05:35,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:05:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:05:35,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:35,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:35,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:05:35,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:35,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:35,268 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2020-07-28 19:05:35,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:35,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360771978] [2020-07-28 19:05:35,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:35,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {995#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {997#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {997#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,454 INFO L280 TraceCheckUtils]: 4: Hoare triple {997#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,455 INFO L280 TraceCheckUtils]: 5: Hoare triple {997#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,456 INFO L280 TraceCheckUtils]: 6: Hoare triple {997#(= 1 ~systemActive~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,456 INFO L280 TraceCheckUtils]: 7: Hoare triple {997#(= 1 ~systemActive~0)} assume !false; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,457 INFO L280 TraceCheckUtils]: 8: Hoare triple {997#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,458 INFO L280 TraceCheckUtils]: 9: Hoare triple {997#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,458 INFO L280 TraceCheckUtils]: 10: Hoare triple {997#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~4); {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,459 INFO L280 TraceCheckUtils]: 11: Hoare triple {997#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,460 INFO L280 TraceCheckUtils]: 12: Hoare triple {997#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,462 INFO L280 TraceCheckUtils]: 13: Hoare triple {997#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,463 INFO L280 TraceCheckUtils]: 14: Hoare triple {997#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,464 INFO L280 TraceCheckUtils]: 15: Hoare triple {997#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,465 INFO L280 TraceCheckUtils]: 16: Hoare triple {997#(= 1 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {997#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {997#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:35,467 INFO L280 TraceCheckUtils]: 18: Hoare triple {997#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {996#false} is VALID [2020-07-28 19:05:35,467 INFO L280 TraceCheckUtils]: 19: Hoare triple {996#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {996#false} is VALID [2020-07-28 19:05:35,468 INFO L280 TraceCheckUtils]: 20: Hoare triple {996#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {996#false} is VALID [2020-07-28 19:05:35,468 INFO L280 TraceCheckUtils]: 21: Hoare triple {996#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {996#false} is VALID [2020-07-28 19:05:35,469 INFO L280 TraceCheckUtils]: 22: Hoare triple {996#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {996#false} is VALID [2020-07-28 19:05:35,469 INFO L280 TraceCheckUtils]: 23: Hoare triple {996#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {996#false} is VALID [2020-07-28 19:05:35,469 INFO L280 TraceCheckUtils]: 24: Hoare triple {996#false} assume 0 == ~switchedOnBeforeTS~0; {996#false} is VALID [2020-07-28 19:05:35,470 INFO L280 TraceCheckUtils]: 25: Hoare triple {996#false} assume !false; {996#false} is VALID [2020-07-28 19:05:35,471 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 19:05:35,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360771978] [2020-07-28 19:05:35,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:35,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:35,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790105447] [2020-07-28 19:05:35,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:35,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:35,474 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:35,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:35,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:35,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:35,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:35,517 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 3 states. [2020-07-28 19:05:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,763 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2020-07-28 19:05:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:35,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2020-07-28 19:05:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2020-07-28 19:05:35,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 166 transitions. [2020-07-28 19:05:35,960 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,965 INFO L225 Difference]: With dead ends: 115 [2020-07-28 19:05:35,965 INFO L226 Difference]: Without dead ends: 79 [2020-07-28 19:05:35,966 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 19:05:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-07-28 19:05:36,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-07-28 19:05:36,024 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:36,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 75 states. [2020-07-28 19:05:36,025 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 75 states. [2020-07-28 19:05:36,025 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 75 states. [2020-07-28 19:05:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,029 INFO L93 Difference]: Finished difference Result 79 states and 112 transitions. [2020-07-28 19:05:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2020-07-28 19:05:36,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,031 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 79 states. [2020-07-28 19:05:36,031 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 79 states. [2020-07-28 19:05:36,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,038 INFO L93 Difference]: Finished difference Result 79 states and 112 transitions. [2020-07-28 19:05:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2020-07-28 19:05:36,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,041 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:36,041 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 19:05:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2020-07-28 19:05:36,045 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 26 [2020-07-28 19:05:36,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:36,046 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2020-07-28 19:05:36,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2020-07-28 19:05:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:05:36,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:36,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:36,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:05:36,048 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:36,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:36,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2020-07-28 19:05:36,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:36,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760177070] [2020-07-28 19:05:36,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {1430#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,176 INFO L280 TraceCheckUtils]: 1: Hoare triple {1432#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,176 INFO L280 TraceCheckUtils]: 2: Hoare triple {1432#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,177 INFO L280 TraceCheckUtils]: 3: Hoare triple {1432#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,177 INFO L280 TraceCheckUtils]: 4: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,178 INFO L280 TraceCheckUtils]: 5: Hoare triple {1432#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,178 INFO L280 TraceCheckUtils]: 6: Hoare triple {1432#(= 0 ~pumpRunning~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,179 INFO L280 TraceCheckUtils]: 7: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume !false; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,180 INFO L280 TraceCheckUtils]: 8: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,180 INFO L280 TraceCheckUtils]: 9: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,181 INFO L280 TraceCheckUtils]: 10: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,182 INFO L280 TraceCheckUtils]: 11: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,182 INFO L280 TraceCheckUtils]: 12: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,183 INFO L280 TraceCheckUtils]: 13: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,183 INFO L280 TraceCheckUtils]: 14: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,184 INFO L280 TraceCheckUtils]: 15: Hoare triple {1432#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,185 INFO L280 TraceCheckUtils]: 16: Hoare triple {1432#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,185 INFO L280 TraceCheckUtils]: 17: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,186 INFO L280 TraceCheckUtils]: 18: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1432#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,188 INFO L280 TraceCheckUtils]: 19: Hoare triple {1432#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1431#false} is VALID [2020-07-28 19:05:36,189 INFO L280 TraceCheckUtils]: 20: Hoare triple {1431#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {1431#false} is VALID [2020-07-28 19:05:36,189 INFO L280 TraceCheckUtils]: 21: Hoare triple {1431#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {1431#false} is VALID [2020-07-28 19:05:36,189 INFO L280 TraceCheckUtils]: 22: Hoare triple {1431#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1431#false} is VALID [2020-07-28 19:05:36,190 INFO L280 TraceCheckUtils]: 23: Hoare triple {1431#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {1431#false} is VALID [2020-07-28 19:05:36,190 INFO L280 TraceCheckUtils]: 24: Hoare triple {1431#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {1431#false} is VALID [2020-07-28 19:05:36,190 INFO L280 TraceCheckUtils]: 25: Hoare triple {1431#false} assume 0 == ~switchedOnBeforeTS~0; {1431#false} is VALID [2020-07-28 19:05:36,190 INFO L280 TraceCheckUtils]: 26: Hoare triple {1431#false} assume !false; {1431#false} is VALID [2020-07-28 19:05:36,193 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 19:05:36,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760177070] [2020-07-28 19:05:36,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:36,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:36,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780362819] [2020-07-28 19:05:36,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:36,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:36,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:36,230 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:36,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:36,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:36,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:36,232 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand 3 states. [2020-07-28 19:05:36,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,472 INFO L93 Difference]: Finished difference Result 190 states and 279 transitions. [2020-07-28 19:05:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:36,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2020-07-28 19:05:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2020-07-28 19:05:36,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 150 transitions. [2020-07-28 19:05:36,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,643 INFO L225 Difference]: With dead ends: 190 [2020-07-28 19:05:36,645 INFO L226 Difference]: Without dead ends: 122 [2020-07-28 19:05:36,646 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 19:05:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-07-28 19:05:36,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2020-07-28 19:05:36,764 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:36,764 INFO L82 GeneralOperation]: Start isEquivalent. First operand 122 states. Second operand 120 states. [2020-07-28 19:05:36,764 INFO L74 IsIncluded]: Start isIncluded. First operand 122 states. Second operand 120 states. [2020-07-28 19:05:36,764 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 120 states. [2020-07-28 19:05:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,769 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2020-07-28 19:05:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2020-07-28 19:05:36,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,770 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,770 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 122 states. [2020-07-28 19:05:36,771 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 122 states. [2020-07-28 19:05:36,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,776 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2020-07-28 19:05:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2020-07-28 19:05:36,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,777 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,777 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:36,777 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-28 19:05:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2020-07-28 19:05:36,783 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 27 [2020-07-28 19:05:36,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:36,783 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2020-07-28 19:05:36,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2020-07-28 19:05:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 19:05:36,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:36,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:36,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:05:36,785 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:36,786 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2020-07-28 19:05:36,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:36,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698587] [2020-07-28 19:05:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,862 INFO L280 TraceCheckUtils]: 0: Hoare triple {2124#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,863 INFO L280 TraceCheckUtils]: 1: Hoare triple {2126#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,864 INFO L280 TraceCheckUtils]: 2: Hoare triple {2126#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,864 INFO L280 TraceCheckUtils]: 3: Hoare triple {2126#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,865 INFO L280 TraceCheckUtils]: 4: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,865 INFO L280 TraceCheckUtils]: 5: Hoare triple {2126#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,866 INFO L280 TraceCheckUtils]: 6: Hoare triple {2126#(= 0 ~pumpRunning~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,867 INFO L280 TraceCheckUtils]: 7: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !false; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,867 INFO L280 TraceCheckUtils]: 8: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,868 INFO L280 TraceCheckUtils]: 9: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,870 INFO L280 TraceCheckUtils]: 10: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,875 INFO L280 TraceCheckUtils]: 11: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,876 INFO L280 TraceCheckUtils]: 12: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,876 INFO L280 TraceCheckUtils]: 13: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,878 INFO L280 TraceCheckUtils]: 14: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,879 INFO L280 TraceCheckUtils]: 15: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,881 INFO L280 TraceCheckUtils]: 16: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,884 INFO L280 TraceCheckUtils]: 17: Hoare triple {2126#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,885 INFO L280 TraceCheckUtils]: 18: Hoare triple {2126#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,886 INFO L280 TraceCheckUtils]: 19: Hoare triple {2126#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,887 INFO L280 TraceCheckUtils]: 20: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,887 INFO L280 TraceCheckUtils]: 21: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,888 INFO L280 TraceCheckUtils]: 22: Hoare triple {2126#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,890 INFO L280 TraceCheckUtils]: 23: Hoare triple {2126#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {2126#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,890 INFO L280 TraceCheckUtils]: 24: Hoare triple {2126#(= 0 ~pumpRunning~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2127#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:36,891 INFO L280 TraceCheckUtils]: 25: Hoare triple {2127#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {2128#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} is VALID [2020-07-28 19:05:36,891 INFO L280 TraceCheckUtils]: 26: Hoare triple {2128#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {2125#false} is VALID [2020-07-28 19:05:36,892 INFO L280 TraceCheckUtils]: 27: Hoare triple {2125#false} assume 0 == ~switchedOnBeforeTS~0; {2125#false} is VALID [2020-07-28 19:05:36,892 INFO L280 TraceCheckUtils]: 28: Hoare triple {2125#false} assume !false; {2125#false} is VALID [2020-07-28 19:05:36,894 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 19:05:36,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698587] [2020-07-28 19:05:36,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:36,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:05:36,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465272693] [2020-07-28 19:05:36,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 19:05:36,896 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:36,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:36,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:36,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:36,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:36,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:36,943 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand 5 states. [2020-07-28 19:05:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:37,977 INFO L93 Difference]: Finished difference Result 435 states and 625 transitions. [2020-07-28 19:05:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:05:37,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 19:05:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 297 transitions. [2020-07-28 19:05:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 297 transitions. [2020-07-28 19:05:37,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 297 transitions. [2020-07-28 19:05:38,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 297 edges. 297 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:38,343 INFO L225 Difference]: With dead ends: 435 [2020-07-28 19:05:38,343 INFO L226 Difference]: Without dead ends: 322 [2020-07-28 19:05:38,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:05:38,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-28 19:05:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 118. [2020-07-28 19:05:38,481 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:38,481 INFO L82 GeneralOperation]: Start isEquivalent. First operand 322 states. Second operand 118 states. [2020-07-28 19:05:38,481 INFO L74 IsIncluded]: Start isIncluded. First operand 322 states. Second operand 118 states. [2020-07-28 19:05:38,481 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 118 states. [2020-07-28 19:05:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,494 INFO L93 Difference]: Finished difference Result 322 states and 458 transitions. [2020-07-28 19:05:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 458 transitions. [2020-07-28 19:05:38,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,496 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 322 states. [2020-07-28 19:05:38,496 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 322 states. [2020-07-28 19:05:38,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,510 INFO L93 Difference]: Finished difference Result 322 states and 458 transitions. [2020-07-28 19:05:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 458 transitions. [2020-07-28 19:05:38,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:38,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-28 19:05:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2020-07-28 19:05:38,516 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 29 [2020-07-28 19:05:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:38,517 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2020-07-28 19:05:38,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2020-07-28 19:05:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:38,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:38,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:38,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:05:38,519 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:38,519 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2020-07-28 19:05:38,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:38,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190968334] [2020-07-28 19:05:38,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:38,612 INFO L280 TraceCheckUtils]: 0: Hoare triple {3583#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {3583#true} is VALID [2020-07-28 19:05:38,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {3583#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {3583#true} is VALID [2020-07-28 19:05:38,613 INFO L280 TraceCheckUtils]: 2: Hoare triple {3583#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {3583#true} is VALID [2020-07-28 19:05:38,613 INFO L280 TraceCheckUtils]: 3: Hoare triple {3583#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {3583#true} is VALID [2020-07-28 19:05:38,614 INFO L280 TraceCheckUtils]: 4: Hoare triple {3583#true} assume 0 != main_~tmp~3; {3583#true} is VALID [2020-07-28 19:05:38,614 INFO L280 TraceCheckUtils]: 5: Hoare triple {3583#true} ~switchedOnBeforeTS~0 := 0; {3583#true} is VALID [2020-07-28 19:05:38,614 INFO L280 TraceCheckUtils]: 6: Hoare triple {3583#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3583#true} is VALID [2020-07-28 19:05:38,614 INFO L280 TraceCheckUtils]: 7: Hoare triple {3583#true} assume !false; {3583#true} is VALID [2020-07-28 19:05:38,615 INFO L280 TraceCheckUtils]: 8: Hoare triple {3583#true} assume test_~splverifierCounter~0 < 4; {3583#true} is VALID [2020-07-28 19:05:38,615 INFO L280 TraceCheckUtils]: 9: Hoare triple {3583#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {3583#true} is VALID [2020-07-28 19:05:38,615 INFO L280 TraceCheckUtils]: 10: Hoare triple {3583#true} assume !(0 != test_~tmp~4); {3583#true} is VALID [2020-07-28 19:05:38,615 INFO L280 TraceCheckUtils]: 11: Hoare triple {3583#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {3583#true} is VALID [2020-07-28 19:05:38,615 INFO L280 TraceCheckUtils]: 12: Hoare triple {3583#true} assume !(0 != test_~tmp___0~0); {3583#true} is VALID [2020-07-28 19:05:38,616 INFO L280 TraceCheckUtils]: 13: Hoare triple {3583#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {3583#true} is VALID [2020-07-28 19:05:38,616 INFO L280 TraceCheckUtils]: 14: Hoare triple {3583#true} assume 0 != test_~tmp___2~0; {3583#true} is VALID [2020-07-28 19:05:38,616 INFO L280 TraceCheckUtils]: 15: Hoare triple {3583#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3583#true} is VALID [2020-07-28 19:05:38,617 INFO L280 TraceCheckUtils]: 16: Hoare triple {3583#true} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {3583#true} is VALID [2020-07-28 19:05:38,617 INFO L280 TraceCheckUtils]: 17: Hoare triple {3583#true} assume !(0 != ~pumpRunning~0); {3583#true} is VALID [2020-07-28 19:05:38,617 INFO L280 TraceCheckUtils]: 18: Hoare triple {3583#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {3583#true} is VALID [2020-07-28 19:05:38,617 INFO L280 TraceCheckUtils]: 19: Hoare triple {3583#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {3583#true} is VALID [2020-07-28 19:05:38,618 INFO L280 TraceCheckUtils]: 20: Hoare triple {3583#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {3583#true} is VALID [2020-07-28 19:05:38,618 INFO L280 TraceCheckUtils]: 21: Hoare triple {3583#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {3583#true} is VALID [2020-07-28 19:05:38,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {3583#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {3585#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:05:38,620 INFO L280 TraceCheckUtils]: 23: Hoare triple {3585#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {3586#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:05:38,621 INFO L280 TraceCheckUtils]: 24: Hoare triple {3586#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {3587#(= 0 ULTIMATE.start_processEnvironment_~tmp~5)} is VALID [2020-07-28 19:05:38,621 INFO L280 TraceCheckUtils]: 25: Hoare triple {3587#(= 0 ULTIMATE.start_processEnvironment_~tmp~5)} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {3584#false} is VALID [2020-07-28 19:05:38,622 INFO L280 TraceCheckUtils]: 26: Hoare triple {3584#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {3584#false} is VALID [2020-07-28 19:05:38,622 INFO L280 TraceCheckUtils]: 27: Hoare triple {3584#false} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {3584#false} is VALID [2020-07-28 19:05:38,622 INFO L280 TraceCheckUtils]: 28: Hoare triple {3584#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {3584#false} is VALID [2020-07-28 19:05:38,622 INFO L280 TraceCheckUtils]: 29: Hoare triple {3584#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {3584#false} is VALID [2020-07-28 19:05:38,623 INFO L280 TraceCheckUtils]: 30: Hoare triple {3584#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {3584#false} is VALID [2020-07-28 19:05:38,623 INFO L280 TraceCheckUtils]: 31: Hoare triple {3584#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3584#false} is VALID [2020-07-28 19:05:38,623 INFO L280 TraceCheckUtils]: 32: Hoare triple {3584#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {3584#false} is VALID [2020-07-28 19:05:38,626 INFO L280 TraceCheckUtils]: 33: Hoare triple {3584#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {3584#false} is VALID [2020-07-28 19:05:38,627 INFO L280 TraceCheckUtils]: 34: Hoare triple {3584#false} assume 0 == ~switchedOnBeforeTS~0; {3584#false} is VALID [2020-07-28 19:05:38,627 INFO L280 TraceCheckUtils]: 35: Hoare triple {3584#false} assume !false; {3584#false} is VALID [2020-07-28 19:05:38,629 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 19:05:38,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190968334] [2020-07-28 19:05:38,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:38,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:38,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573018907] [2020-07-28 19:05:38,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:38,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:38,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:38,677 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:38,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:38,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:38,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:38,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:38,678 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand 5 states. [2020-07-28 19:05:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:39,480 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2020-07-28 19:05:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:05:39,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 178 transitions. [2020-07-28 19:05:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 178 transitions. [2020-07-28 19:05:39,487 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 178 transitions. [2020-07-28 19:05:39,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:39,698 INFO L225 Difference]: With dead ends: 321 [2020-07-28 19:05:39,698 INFO L226 Difference]: Without dead ends: 210 [2020-07-28 19:05:39,699 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 19:05:39,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-28 19:05:39,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 124. [2020-07-28 19:05:39,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:39,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 210 states. Second operand 124 states. [2020-07-28 19:05:39,862 INFO L74 IsIncluded]: Start isIncluded. First operand 210 states. Second operand 124 states. [2020-07-28 19:05:39,862 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 124 states. [2020-07-28 19:05:39,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:39,879 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2020-07-28 19:05:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 288 transitions. [2020-07-28 19:05:39,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:39,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:39,881 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 210 states. [2020-07-28 19:05:39,881 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 210 states. [2020-07-28 19:05:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:39,889 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2020-07-28 19:05:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 288 transitions. [2020-07-28 19:05:39,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:39,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:39,895 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:39,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-28 19:05:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2020-07-28 19:05:39,901 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 36 [2020-07-28 19:05:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:39,901 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2020-07-28 19:05:39,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2020-07-28 19:05:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:39,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:39,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:39,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:05:39,903 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:39,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:39,903 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2020-07-28 19:05:39,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:39,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173554182] [2020-07-28 19:05:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:40,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {4662#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {4664#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,040 INFO L280 TraceCheckUtils]: 2: Hoare triple {4664#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,041 INFO L280 TraceCheckUtils]: 3: Hoare triple {4664#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,041 INFO L280 TraceCheckUtils]: 4: Hoare triple {4664#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,042 INFO L280 TraceCheckUtils]: 5: Hoare triple {4664#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,043 INFO L280 TraceCheckUtils]: 6: Hoare triple {4664#(= 1 ~systemActive~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,043 INFO L280 TraceCheckUtils]: 7: Hoare triple {4664#(= 1 ~systemActive~0)} assume !false; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,044 INFO L280 TraceCheckUtils]: 8: Hoare triple {4664#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,044 INFO L280 TraceCheckUtils]: 9: Hoare triple {4664#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,045 INFO L280 TraceCheckUtils]: 10: Hoare triple {4664#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~4); {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,046 INFO L280 TraceCheckUtils]: 11: Hoare triple {4664#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,047 INFO L280 TraceCheckUtils]: 12: Hoare triple {4664#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,047 INFO L280 TraceCheckUtils]: 13: Hoare triple {4664#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,048 INFO L280 TraceCheckUtils]: 14: Hoare triple {4664#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,049 INFO L280 TraceCheckUtils]: 15: Hoare triple {4664#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,049 INFO L280 TraceCheckUtils]: 16: Hoare triple {4664#(= 1 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,051 INFO L280 TraceCheckUtils]: 17: Hoare triple {4664#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {4664#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:40,051 INFO L280 TraceCheckUtils]: 18: Hoare triple {4664#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {4662#true} is VALID [2020-07-28 19:05:40,052 INFO L280 TraceCheckUtils]: 19: Hoare triple {4662#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {4662#true} is VALID [2020-07-28 19:05:40,053 INFO L280 TraceCheckUtils]: 20: Hoare triple {4662#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {4665#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:05:40,053 INFO L280 TraceCheckUtils]: 21: Hoare triple {4665#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {4666#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} is VALID [2020-07-28 19:05:40,054 INFO L280 TraceCheckUtils]: 22: Hoare triple {4666#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {4663#false} is VALID [2020-07-28 19:05:40,054 INFO L280 TraceCheckUtils]: 23: Hoare triple {4663#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {4663#false} is VALID [2020-07-28 19:05:40,055 INFO L280 TraceCheckUtils]: 24: Hoare triple {4663#false} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {4663#false} is VALID [2020-07-28 19:05:40,055 INFO L280 TraceCheckUtils]: 25: Hoare triple {4663#false} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {4663#false} is VALID [2020-07-28 19:05:40,055 INFO L280 TraceCheckUtils]: 26: Hoare triple {4663#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {4663#false} is VALID [2020-07-28 19:05:40,055 INFO L280 TraceCheckUtils]: 27: Hoare triple {4663#false} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {4663#false} is VALID [2020-07-28 19:05:40,056 INFO L280 TraceCheckUtils]: 28: Hoare triple {4663#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {4663#false} is VALID [2020-07-28 19:05:40,056 INFO L280 TraceCheckUtils]: 29: Hoare triple {4663#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {4663#false} is VALID [2020-07-28 19:05:40,056 INFO L280 TraceCheckUtils]: 30: Hoare triple {4663#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {4663#false} is VALID [2020-07-28 19:05:40,056 INFO L280 TraceCheckUtils]: 31: Hoare triple {4663#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {4663#false} is VALID [2020-07-28 19:05:40,056 INFO L280 TraceCheckUtils]: 32: Hoare triple {4663#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {4663#false} is VALID [2020-07-28 19:05:40,057 INFO L280 TraceCheckUtils]: 33: Hoare triple {4663#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {4663#false} is VALID [2020-07-28 19:05:40,057 INFO L280 TraceCheckUtils]: 34: Hoare triple {4663#false} assume 0 == ~switchedOnBeforeTS~0; {4663#false} is VALID [2020-07-28 19:05:40,057 INFO L280 TraceCheckUtils]: 35: Hoare triple {4663#false} assume !false; {4663#false} is VALID [2020-07-28 19:05:40,063 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 19:05:40,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173554182] [2020-07-28 19:05:40,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:40,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:40,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024937289] [2020-07-28 19:05:40,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:40,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:40,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:40,113 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:40,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:40,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:40,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:40,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:40,114 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand 5 states. [2020-07-28 19:05:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:41,094 INFO L93 Difference]: Finished difference Result 348 states and 476 transitions. [2020-07-28 19:05:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:05:41,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 305 transitions. [2020-07-28 19:05:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 305 transitions. [2020-07-28 19:05:41,100 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 305 transitions. [2020-07-28 19:05:41,437 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 305 edges. 305 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:41,442 INFO L225 Difference]: With dead ends: 348 [2020-07-28 19:05:41,442 INFO L226 Difference]: Without dead ends: 231 [2020-07-28 19:05:41,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 19:05:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-28 19:05:41,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 128. [2020-07-28 19:05:41,644 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:41,645 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 128 states. [2020-07-28 19:05:41,645 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 128 states. [2020-07-28 19:05:41,645 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 128 states. [2020-07-28 19:05:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:41,652 INFO L93 Difference]: Finished difference Result 231 states and 309 transitions. [2020-07-28 19:05:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2020-07-28 19:05:41,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:41,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:41,654 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 231 states. [2020-07-28 19:05:41,654 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 231 states. [2020-07-28 19:05:41,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:41,660 INFO L93 Difference]: Finished difference Result 231 states and 309 transitions. [2020-07-28 19:05:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2020-07-28 19:05:41,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:41,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:41,662 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:41,662 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-28 19:05:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions. [2020-07-28 19:05:41,665 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 36 [2020-07-28 19:05:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:41,666 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions. [2020-07-28 19:05:41,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2020-07-28 19:05:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:41,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:41,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:41,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:05:41,667 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:41,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:41,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2020-07-28 19:05:41,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:41,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424079068] [2020-07-28 19:05:41,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:41,750 INFO L280 TraceCheckUtils]: 0: Hoare triple {5829#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,751 INFO L280 TraceCheckUtils]: 1: Hoare triple {5831#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,752 INFO L280 TraceCheckUtils]: 2: Hoare triple {5831#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,753 INFO L280 TraceCheckUtils]: 3: Hoare triple {5831#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,753 INFO L280 TraceCheckUtils]: 4: Hoare triple {5831#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,754 INFO L280 TraceCheckUtils]: 5: Hoare triple {5831#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,755 INFO L280 TraceCheckUtils]: 6: Hoare triple {5831#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,755 INFO L280 TraceCheckUtils]: 7: Hoare triple {5831#(= 1 ~waterLevel~0)} assume !false; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,756 INFO L280 TraceCheckUtils]: 8: Hoare triple {5831#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,757 INFO L280 TraceCheckUtils]: 9: Hoare triple {5831#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,757 INFO L280 TraceCheckUtils]: 10: Hoare triple {5831#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,758 INFO L280 TraceCheckUtils]: 11: Hoare triple {5831#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,764 INFO L280 TraceCheckUtils]: 12: Hoare triple {5831#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,765 INFO L280 TraceCheckUtils]: 13: Hoare triple {5831#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,765 INFO L280 TraceCheckUtils]: 14: Hoare triple {5831#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,766 INFO L280 TraceCheckUtils]: 15: Hoare triple {5831#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,767 INFO L280 TraceCheckUtils]: 16: Hoare triple {5831#(= 1 ~waterLevel~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,768 INFO L280 TraceCheckUtils]: 17: Hoare triple {5831#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,768 INFO L280 TraceCheckUtils]: 18: Hoare triple {5831#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,769 INFO L280 TraceCheckUtils]: 19: Hoare triple {5831#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5831#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:41,770 INFO L280 TraceCheckUtils]: 20: Hoare triple {5831#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5830#false} is VALID [2020-07-28 19:05:41,770 INFO L280 TraceCheckUtils]: 21: Hoare triple {5830#false} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {5830#false} is VALID [2020-07-28 19:05:41,770 INFO L280 TraceCheckUtils]: 22: Hoare triple {5830#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {5830#false} is VALID [2020-07-28 19:05:41,771 INFO L280 TraceCheckUtils]: 23: Hoare triple {5830#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {5830#false} is VALID [2020-07-28 19:05:41,771 INFO L280 TraceCheckUtils]: 24: Hoare triple {5830#false} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {5830#false} is VALID [2020-07-28 19:05:41,771 INFO L280 TraceCheckUtils]: 25: Hoare triple {5830#false} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {5830#false} is VALID [2020-07-28 19:05:41,771 INFO L280 TraceCheckUtils]: 26: Hoare triple {5830#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5830#false} is VALID [2020-07-28 19:05:41,772 INFO L280 TraceCheckUtils]: 27: Hoare triple {5830#false} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {5830#false} is VALID [2020-07-28 19:05:41,772 INFO L280 TraceCheckUtils]: 28: Hoare triple {5830#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {5830#false} is VALID [2020-07-28 19:05:41,772 INFO L280 TraceCheckUtils]: 29: Hoare triple {5830#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {5830#false} is VALID [2020-07-28 19:05:41,773 INFO L280 TraceCheckUtils]: 30: Hoare triple {5830#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {5830#false} is VALID [2020-07-28 19:05:41,774 INFO L280 TraceCheckUtils]: 31: Hoare triple {5830#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5830#false} is VALID [2020-07-28 19:05:41,774 INFO L280 TraceCheckUtils]: 32: Hoare triple {5830#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {5830#false} is VALID [2020-07-28 19:05:41,774 INFO L280 TraceCheckUtils]: 33: Hoare triple {5830#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {5830#false} is VALID [2020-07-28 19:05:41,775 INFO L280 TraceCheckUtils]: 34: Hoare triple {5830#false} assume 0 == ~switchedOnBeforeTS~0; {5830#false} is VALID [2020-07-28 19:05:41,775 INFO L280 TraceCheckUtils]: 35: Hoare triple {5830#false} assume !false; {5830#false} is VALID [2020-07-28 19:05:41,777 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 19:05:41,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424079068] [2020-07-28 19:05:41,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:41,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:41,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102397619] [2020-07-28 19:05:41,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:05:41,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:41,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:41,826 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:41,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:41,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:41,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:41,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:41,827 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand 3 states. [2020-07-28 19:05:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:42,318 INFO L93 Difference]: Finished difference Result 305 states and 418 transitions. [2020-07-28 19:05:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:42,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:05:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2020-07-28 19:05:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2020-07-28 19:05:42,322 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 151 transitions. [2020-07-28 19:05:42,476 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:42,480 INFO L225 Difference]: With dead ends: 305 [2020-07-28 19:05:42,480 INFO L226 Difference]: Without dead ends: 184 [2020-07-28 19:05:42,481 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 19:05:42,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-07-28 19:05:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-07-28 19:05:42,811 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:42,811 INFO L82 GeneralOperation]: Start isEquivalent. First operand 184 states. Second operand 184 states. [2020-07-28 19:05:42,812 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 184 states. [2020-07-28 19:05:42,812 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 184 states. [2020-07-28 19:05:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:42,817 INFO L93 Difference]: Finished difference Result 184 states and 245 transitions. [2020-07-28 19:05:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2020-07-28 19:05:42,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:42,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:42,818 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 184 states. [2020-07-28 19:05:42,818 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 184 states. [2020-07-28 19:05:42,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:42,823 INFO L93 Difference]: Finished difference Result 184 states and 245 transitions. [2020-07-28 19:05:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2020-07-28 19:05:42,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:42,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:42,824 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:42,824 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-28 19:05:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2020-07-28 19:05:42,828 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 36 [2020-07-28 19:05:42,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:42,829 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2020-07-28 19:05:42,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2020-07-28 19:05:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-28 19:05:42,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:42,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:42,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:05:42,831 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:42,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:42,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2020-07-28 19:05:42,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:42,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866680411] [2020-07-28 19:05:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:42,998 INFO L280 TraceCheckUtils]: 0: Hoare triple {6908#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:42,999 INFO L280 TraceCheckUtils]: 1: Hoare triple {6910#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,000 INFO L280 TraceCheckUtils]: 2: Hoare triple {6910#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,001 INFO L280 TraceCheckUtils]: 3: Hoare triple {6910#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,001 INFO L280 TraceCheckUtils]: 4: Hoare triple {6910#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,002 INFO L280 TraceCheckUtils]: 5: Hoare triple {6910#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,003 INFO L280 TraceCheckUtils]: 6: Hoare triple {6910#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,003 INFO L280 TraceCheckUtils]: 7: Hoare triple {6910#(= 1 ~waterLevel~0)} assume !false; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,004 INFO L280 TraceCheckUtils]: 8: Hoare triple {6910#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,004 INFO L280 TraceCheckUtils]: 9: Hoare triple {6910#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,005 INFO L280 TraceCheckUtils]: 10: Hoare triple {6910#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~4; {6910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:43,008 INFO L280 TraceCheckUtils]: 11: Hoare triple {6910#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,009 INFO L280 TraceCheckUtils]: 12: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,010 INFO L280 TraceCheckUtils]: 13: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != test_~tmp___0~0); {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,010 INFO L280 TraceCheckUtils]: 14: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,011 INFO L280 TraceCheckUtils]: 15: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != test_~tmp___2~0; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,012 INFO L280 TraceCheckUtils]: 16: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,013 INFO L280 TraceCheckUtils]: 17: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,014 INFO L280 TraceCheckUtils]: 18: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != ~pumpRunning~0); {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,015 INFO L280 TraceCheckUtils]: 19: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,016 INFO L280 TraceCheckUtils]: 20: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,017 INFO L280 TraceCheckUtils]: 21: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,019 INFO L280 TraceCheckUtils]: 22: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,020 INFO L280 TraceCheckUtils]: 23: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,024 INFO L280 TraceCheckUtils]: 24: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,025 INFO L280 TraceCheckUtils]: 25: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,029 INFO L280 TraceCheckUtils]: 26: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,031 INFO L280 TraceCheckUtils]: 27: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,032 INFO L280 TraceCheckUtils]: 28: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,033 INFO L280 TraceCheckUtils]: 29: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:43,034 INFO L280 TraceCheckUtils]: 30: Hoare triple {6911#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {6912#(and (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:05:43,035 INFO L280 TraceCheckUtils]: 31: Hoare triple {6912#(and (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {6913#(and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))} is VALID [2020-07-28 19:05:43,036 INFO L280 TraceCheckUtils]: 32: Hoare triple {6913#(and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {6909#false} is VALID [2020-07-28 19:05:43,036 INFO L280 TraceCheckUtils]: 33: Hoare triple {6909#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {6909#false} is VALID [2020-07-28 19:05:43,036 INFO L280 TraceCheckUtils]: 34: Hoare triple {6909#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {6909#false} is VALID [2020-07-28 19:05:43,037 INFO L280 TraceCheckUtils]: 35: Hoare triple {6909#false} assume 0 == ~switchedOnBeforeTS~0; {6909#false} is VALID [2020-07-28 19:05:43,037 INFO L280 TraceCheckUtils]: 36: Hoare triple {6909#false} assume !false; {6909#false} is VALID [2020-07-28 19:05:43,041 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 19:05:43,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866680411] [2020-07-28 19:05:43,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:43,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:43,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169877295] [2020-07-28 19:05:43,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-07-28 19:05:43,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:43,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:05:43,097 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:43,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:05:43,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:43,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:05:43,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:05:43,098 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand 6 states. [2020-07-28 19:05:46,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:46,061 INFO L93 Difference]: Finished difference Result 911 states and 1256 transitions. [2020-07-28 19:05:46,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 19:05:46,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-07-28 19:05:46,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 372 transitions. [2020-07-28 19:05:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 372 transitions. [2020-07-28 19:05:46,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 372 transitions. [2020-07-28 19:05:46,704 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 372 edges. 372 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:46,788 INFO L225 Difference]: With dead ends: 911 [2020-07-28 19:05:46,788 INFO L226 Difference]: Without dead ends: 790 [2020-07-28 19:05:46,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:05:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-07-28 19:05:47,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 332. [2020-07-28 19:05:47,772 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:47,772 INFO L82 GeneralOperation]: Start isEquivalent. First operand 790 states. Second operand 332 states. [2020-07-28 19:05:47,772 INFO L74 IsIncluded]: Start isIncluded. First operand 790 states. Second operand 332 states. [2020-07-28 19:05:47,772 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 332 states. [2020-07-28 19:05:47,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:47,810 INFO L93 Difference]: Finished difference Result 790 states and 1049 transitions. [2020-07-28 19:05:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1049 transitions. [2020-07-28 19:05:47,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:47,813 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:47,813 INFO L74 IsIncluded]: Start isIncluded. First operand 332 states. Second operand 790 states. [2020-07-28 19:05:47,814 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 790 states. [2020-07-28 19:05:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:47,852 INFO L93 Difference]: Finished difference Result 790 states and 1049 transitions. [2020-07-28 19:05:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1049 transitions. [2020-07-28 19:05:47,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:47,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:47,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:47,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-28 19:05:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 445 transitions. [2020-07-28 19:05:47,866 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 445 transitions. Word has length 37 [2020-07-28 19:05:47,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:47,867 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 445 transitions. [2020-07-28 19:05:47,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:05:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 445 transitions. [2020-07-28 19:05:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:05:47,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:47,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:47,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:05:47,870 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:47,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:47,870 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2020-07-28 19:05:47,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:47,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706425299] [2020-07-28 19:05:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:47,985 INFO L280 TraceCheckUtils]: 0: Hoare triple {10308#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,987 INFO L280 TraceCheckUtils]: 1: Hoare triple {10310#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,987 INFO L280 TraceCheckUtils]: 2: Hoare triple {10310#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,988 INFO L280 TraceCheckUtils]: 3: Hoare triple {10310#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,989 INFO L280 TraceCheckUtils]: 4: Hoare triple {10310#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,998 INFO L280 TraceCheckUtils]: 5: Hoare triple {10310#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:47,999 INFO L280 TraceCheckUtils]: 6: Hoare triple {10310#(= 1 ~systemActive~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {10310#(= 1 ~systemActive~0)} assume !false; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {10310#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,002 INFO L280 TraceCheckUtils]: 9: Hoare triple {10310#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,003 INFO L280 TraceCheckUtils]: 10: Hoare triple {10310#(= 1 ~systemActive~0)} assume 0 != test_~tmp~4; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,004 INFO L280 TraceCheckUtils]: 11: Hoare triple {10310#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,005 INFO L280 TraceCheckUtils]: 12: Hoare triple {10310#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,005 INFO L280 TraceCheckUtils]: 13: Hoare triple {10310#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,006 INFO L280 TraceCheckUtils]: 14: Hoare triple {10310#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,007 INFO L280 TraceCheckUtils]: 15: Hoare triple {10310#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,007 INFO L280 TraceCheckUtils]: 16: Hoare triple {10310#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,008 INFO L280 TraceCheckUtils]: 17: Hoare triple {10310#(= 1 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,009 INFO L280 TraceCheckUtils]: 18: Hoare triple {10310#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {10310#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:48,009 INFO L280 TraceCheckUtils]: 19: Hoare triple {10310#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10308#true} is VALID [2020-07-28 19:05:48,009 INFO L280 TraceCheckUtils]: 20: Hoare triple {10308#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {10308#true} is VALID [2020-07-28 19:05:48,009 INFO L280 TraceCheckUtils]: 21: Hoare triple {10308#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {10308#true} is VALID [2020-07-28 19:05:48,009 INFO L280 TraceCheckUtils]: 22: Hoare triple {10308#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {10308#true} is VALID [2020-07-28 19:05:48,010 INFO L280 TraceCheckUtils]: 23: Hoare triple {10308#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {10308#true} is VALID [2020-07-28 19:05:48,010 INFO L280 TraceCheckUtils]: 24: Hoare triple {10308#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {10308#true} is VALID [2020-07-28 19:05:48,010 INFO L280 TraceCheckUtils]: 25: Hoare triple {10308#true} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {10308#true} is VALID [2020-07-28 19:05:48,010 INFO L280 TraceCheckUtils]: 26: Hoare triple {10308#true} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {10308#true} is VALID [2020-07-28 19:05:48,011 INFO L280 TraceCheckUtils]: 27: Hoare triple {10308#true} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {10308#true} is VALID [2020-07-28 19:05:48,011 INFO L280 TraceCheckUtils]: 28: Hoare triple {10308#true} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {10308#true} is VALID [2020-07-28 19:05:48,012 INFO L280 TraceCheckUtils]: 29: Hoare triple {10308#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,012 INFO L280 TraceCheckUtils]: 30: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,013 INFO L280 TraceCheckUtils]: 31: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,014 INFO L280 TraceCheckUtils]: 32: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,014 INFO L280 TraceCheckUtils]: 33: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume !false; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,015 INFO L280 TraceCheckUtils]: 34: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume test_~splverifierCounter~0 < 4; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,016 INFO L280 TraceCheckUtils]: 35: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,017 INFO L280 TraceCheckUtils]: 36: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp~4); {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,017 INFO L280 TraceCheckUtils]: 37: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,018 INFO L280 TraceCheckUtils]: 38: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp___0~0); {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,019 INFO L280 TraceCheckUtils]: 39: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,019 INFO L280 TraceCheckUtils]: 40: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} assume 0 != test_~tmp___2~0; {10311#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:05:48,020 INFO L280 TraceCheckUtils]: 41: Hoare triple {10311#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10312#(not (= 0 |ULTIMATE.start_isPumpRunning_#res|))} is VALID [2020-07-28 19:05:48,022 INFO L280 TraceCheckUtils]: 42: Hoare triple {10312#(not (= 0 |ULTIMATE.start_isPumpRunning_#res|))} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,023 INFO L280 TraceCheckUtils]: 43: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume 0 != ~pumpRunning~0; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,024 INFO L280 TraceCheckUtils]: 44: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,024 INFO L280 TraceCheckUtils]: 45: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,025 INFO L280 TraceCheckUtils]: 46: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume !(0 == ~pumpRunning~0); {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,025 INFO L280 TraceCheckUtils]: 47: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,026 INFO L280 TraceCheckUtils]: 48: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,027 INFO L280 TraceCheckUtils]: 49: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,027 INFO L280 TraceCheckUtils]: 50: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,028 INFO L280 TraceCheckUtils]: 51: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {10313#(not (= 0 ~switchedOnBeforeTS~0))} is VALID [2020-07-28 19:05:48,029 INFO L280 TraceCheckUtils]: 52: Hoare triple {10313#(not (= 0 ~switchedOnBeforeTS~0))} assume 0 == ~switchedOnBeforeTS~0; {10309#false} is VALID [2020-07-28 19:05:48,029 INFO L280 TraceCheckUtils]: 53: Hoare triple {10309#false} assume !false; {10309#false} is VALID [2020-07-28 19:05:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:48,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706425299] [2020-07-28 19:05:48,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096762679] [2020-07-28 19:05:48,034 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 19:05:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:48,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:05:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:48,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:05:48,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {10308#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {10308#true} is VALID [2020-07-28 19:05:48,439 INFO L280 TraceCheckUtils]: 1: Hoare triple {10308#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {10308#true} is VALID [2020-07-28 19:05:48,439 INFO L280 TraceCheckUtils]: 2: Hoare triple {10308#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {10308#true} is VALID [2020-07-28 19:05:48,439 INFO L280 TraceCheckUtils]: 3: Hoare triple {10308#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {10308#true} is VALID [2020-07-28 19:05:48,439 INFO L280 TraceCheckUtils]: 4: Hoare triple {10308#true} assume 0 != main_~tmp~3; {10308#true} is VALID [2020-07-28 19:05:48,440 INFO L280 TraceCheckUtils]: 5: Hoare triple {10308#true} ~switchedOnBeforeTS~0 := 0; {10308#true} is VALID [2020-07-28 19:05:48,441 INFO L280 TraceCheckUtils]: 6: Hoare triple {10308#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10308#true} is VALID [2020-07-28 19:05:48,441 INFO L280 TraceCheckUtils]: 7: Hoare triple {10308#true} assume !false; {10308#true} is VALID [2020-07-28 19:05:48,441 INFO L280 TraceCheckUtils]: 8: Hoare triple {10308#true} assume test_~splverifierCounter~0 < 4; {10308#true} is VALID [2020-07-28 19:05:48,441 INFO L280 TraceCheckUtils]: 9: Hoare triple {10308#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {10308#true} is VALID [2020-07-28 19:05:48,442 INFO L280 TraceCheckUtils]: 10: Hoare triple {10308#true} assume 0 != test_~tmp~4; {10308#true} is VALID [2020-07-28 19:05:48,442 INFO L280 TraceCheckUtils]: 11: Hoare triple {10308#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10308#true} is VALID [2020-07-28 19:05:48,442 INFO L280 TraceCheckUtils]: 12: Hoare triple {10308#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {10308#true} is VALID [2020-07-28 19:05:48,443 INFO L280 TraceCheckUtils]: 13: Hoare triple {10308#true} assume !(0 != test_~tmp___0~0); {10308#true} is VALID [2020-07-28 19:05:48,443 INFO L280 TraceCheckUtils]: 14: Hoare triple {10308#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {10308#true} is VALID [2020-07-28 19:05:48,443 INFO L280 TraceCheckUtils]: 15: Hoare triple {10308#true} assume 0 != test_~tmp___2~0; {10308#true} is VALID [2020-07-28 19:05:48,443 INFO L280 TraceCheckUtils]: 16: Hoare triple {10308#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10308#true} is VALID [2020-07-28 19:05:48,444 INFO L280 TraceCheckUtils]: 17: Hoare triple {10308#true} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {10308#true} is VALID [2020-07-28 19:05:48,444 INFO L280 TraceCheckUtils]: 18: Hoare triple {10308#true} assume !(0 != ~pumpRunning~0); {10308#true} is VALID [2020-07-28 19:05:48,444 INFO L280 TraceCheckUtils]: 19: Hoare triple {10308#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10308#true} is VALID [2020-07-28 19:05:48,444 INFO L280 TraceCheckUtils]: 20: Hoare triple {10308#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {10308#true} is VALID [2020-07-28 19:05:48,445 INFO L280 TraceCheckUtils]: 21: Hoare triple {10308#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {10308#true} is VALID [2020-07-28 19:05:48,445 INFO L280 TraceCheckUtils]: 22: Hoare triple {10308#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {10308#true} is VALID [2020-07-28 19:05:48,446 INFO L280 TraceCheckUtils]: 23: Hoare triple {10308#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {10308#true} is VALID [2020-07-28 19:05:48,446 INFO L280 TraceCheckUtils]: 24: Hoare triple {10308#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {10308#true} is VALID [2020-07-28 19:05:48,446 INFO L280 TraceCheckUtils]: 25: Hoare triple {10308#true} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {10308#true} is VALID [2020-07-28 19:05:48,446 INFO L280 TraceCheckUtils]: 26: Hoare triple {10308#true} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {10308#true} is VALID [2020-07-28 19:05:48,447 INFO L280 TraceCheckUtils]: 27: Hoare triple {10308#true} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {10308#true} is VALID [2020-07-28 19:05:48,447 INFO L280 TraceCheckUtils]: 28: Hoare triple {10308#true} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {10308#true} is VALID [2020-07-28 19:05:48,448 INFO L280 TraceCheckUtils]: 29: Hoare triple {10308#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,449 INFO L280 TraceCheckUtils]: 30: Hoare triple {10404#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,450 INFO L280 TraceCheckUtils]: 31: Hoare triple {10404#(<= 1 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,451 INFO L280 TraceCheckUtils]: 32: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,452 INFO L280 TraceCheckUtils]: 33: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume !false; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,452 INFO L280 TraceCheckUtils]: 34: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,453 INFO L280 TraceCheckUtils]: 35: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,454 INFO L280 TraceCheckUtils]: 36: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,454 INFO L280 TraceCheckUtils]: 37: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,455 INFO L280 TraceCheckUtils]: 38: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,456 INFO L280 TraceCheckUtils]: 39: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,456 INFO L280 TraceCheckUtils]: 40: Hoare triple {10404#(<= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {10404#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:48,457 INFO L280 TraceCheckUtils]: 41: Hoare triple {10404#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10441#(<= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:48,458 INFO L280 TraceCheckUtils]: 42: Hoare triple {10441#(<= 1 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,458 INFO L280 TraceCheckUtils]: 43: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~pumpRunning~0; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,459 INFO L280 TraceCheckUtils]: 44: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,460 INFO L280 TraceCheckUtils]: 45: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,460 INFO L280 TraceCheckUtils]: 46: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume !(0 == ~pumpRunning~0); {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,461 INFO L280 TraceCheckUtils]: 47: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,462 INFO L280 TraceCheckUtils]: 48: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,462 INFO L280 TraceCheckUtils]: 49: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,463 INFO L280 TraceCheckUtils]: 50: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,463 INFO L280 TraceCheckUtils]: 51: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {10445#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:48,464 INFO L280 TraceCheckUtils]: 52: Hoare triple {10445#(<= 1 ~switchedOnBeforeTS~0)} assume 0 == ~switchedOnBeforeTS~0; {10309#false} is VALID [2020-07-28 19:05:48,464 INFO L280 TraceCheckUtils]: 53: Hoare triple {10309#false} assume !false; {10309#false} is VALID [2020-07-28 19:05:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:48,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:05:48,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-07-28 19:05:48,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18638444] [2020-07-28 19:05:48,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-07-28 19:05:48,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:48,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 19:05:48,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:48,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 19:05:48,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:48,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 19:05:48,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:05:48,584 INFO L87 Difference]: Start difference. First operand 332 states and 445 transitions. Second operand 9 states. [2020-07-28 19:05:50,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:50,714 INFO L93 Difference]: Finished difference Result 711 states and 963 transitions. [2020-07-28 19:05:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-28 19:05:50,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-07-28 19:05:50,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:05:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 326 transitions. [2020-07-28 19:05:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:05:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 326 transitions. [2020-07-28 19:05:50,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 326 transitions. [2020-07-28 19:05:51,140 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:51,152 INFO L225 Difference]: With dead ends: 711 [2020-07-28 19:05:51,153 INFO L226 Difference]: Without dead ends: 386 [2020-07-28 19:05:51,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-07-28 19:05:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-28 19:05:51,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 303. [2020-07-28 19:05:51,792 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:51,793 INFO L82 GeneralOperation]: Start isEquivalent. First operand 386 states. Second operand 303 states. [2020-07-28 19:05:51,793 INFO L74 IsIncluded]: Start isIncluded. First operand 386 states. Second operand 303 states. [2020-07-28 19:05:51,793 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 303 states. [2020-07-28 19:05:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:51,807 INFO L93 Difference]: Finished difference Result 386 states and 500 transitions. [2020-07-28 19:05:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 500 transitions. [2020-07-28 19:05:51,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:51,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:51,809 INFO L74 IsIncluded]: Start isIncluded. First operand 303 states. Second operand 386 states. [2020-07-28 19:05:51,809 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 386 states. [2020-07-28 19:05:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:51,821 INFO L93 Difference]: Finished difference Result 386 states and 500 transitions. [2020-07-28 19:05:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 500 transitions. [2020-07-28 19:05:51,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:51,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:51,823 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:51,823 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-07-28 19:05:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 391 transitions. [2020-07-28 19:05:51,832 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 391 transitions. Word has length 54 [2020-07-28 19:05:51,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:51,833 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 391 transitions. [2020-07-28 19:05:51,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 19:05:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2020-07-28 19:05:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-28 19:05:51,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:51,835 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:52,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:05:52,049 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:52,049 INFO L82 PathProgramCache]: Analyzing trace with hash 620647972, now seen corresponding path program 1 times [2020-07-28 19:05:52,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:52,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543486160] [2020-07-28 19:05:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:52,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {12739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {12741#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,229 INFO L280 TraceCheckUtils]: 2: Hoare triple {12741#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,231 INFO L280 TraceCheckUtils]: 3: Hoare triple {12741#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,232 INFO L280 TraceCheckUtils]: 4: Hoare triple {12741#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,232 INFO L280 TraceCheckUtils]: 5: Hoare triple {12741#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {12741#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,234 INFO L280 TraceCheckUtils]: 7: Hoare triple {12741#(= 1 ~waterLevel~0)} assume !false; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,234 INFO L280 TraceCheckUtils]: 8: Hoare triple {12741#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,235 INFO L280 TraceCheckUtils]: 9: Hoare triple {12741#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,237 INFO L280 TraceCheckUtils]: 10: Hoare triple {12741#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~4; {12741#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:52,238 INFO L280 TraceCheckUtils]: 11: Hoare triple {12741#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,239 INFO L280 TraceCheckUtils]: 12: Hoare triple {12742#(<= ~waterLevel~0 2)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,239 INFO L280 TraceCheckUtils]: 13: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != test_~tmp___0~0); {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,240 INFO L280 TraceCheckUtils]: 14: Hoare triple {12742#(<= ~waterLevel~0 2)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,240 INFO L280 TraceCheckUtils]: 15: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 != test_~tmp___2~0; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,241 INFO L280 TraceCheckUtils]: 16: Hoare triple {12742#(<= ~waterLevel~0 2)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,241 INFO L280 TraceCheckUtils]: 17: Hoare triple {12742#(<= ~waterLevel~0 2)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,242 INFO L280 TraceCheckUtils]: 18: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != ~pumpRunning~0); {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,242 INFO L280 TraceCheckUtils]: 19: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,243 INFO L280 TraceCheckUtils]: 20: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,243 INFO L280 TraceCheckUtils]: 21: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,244 INFO L280 TraceCheckUtils]: 22: Hoare triple {12742#(<= ~waterLevel~0 2)} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,244 INFO L280 TraceCheckUtils]: 23: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,245 INFO L280 TraceCheckUtils]: 24: Hoare triple {12742#(<= ~waterLevel~0 2)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,246 INFO L280 TraceCheckUtils]: 25: Hoare triple {12742#(<= ~waterLevel~0 2)} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,246 INFO L280 TraceCheckUtils]: 26: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,247 INFO L280 TraceCheckUtils]: 27: Hoare triple {12742#(<= ~waterLevel~0 2)} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,247 INFO L280 TraceCheckUtils]: 28: Hoare triple {12742#(<= ~waterLevel~0 2)} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,248 INFO L280 TraceCheckUtils]: 29: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,248 INFO L280 TraceCheckUtils]: 30: Hoare triple {12742#(<= ~waterLevel~0 2)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,249 INFO L280 TraceCheckUtils]: 31: Hoare triple {12742#(<= ~waterLevel~0 2)} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,249 INFO L280 TraceCheckUtils]: 32: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,250 INFO L280 TraceCheckUtils]: 33: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !false; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,250 INFO L280 TraceCheckUtils]: 34: Hoare triple {12742#(<= ~waterLevel~0 2)} assume test_~splverifierCounter~0 < 4; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,251 INFO L280 TraceCheckUtils]: 35: Hoare triple {12742#(<= ~waterLevel~0 2)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,252 INFO L280 TraceCheckUtils]: 36: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != test_~tmp~4); {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,252 INFO L280 TraceCheckUtils]: 37: Hoare triple {12742#(<= ~waterLevel~0 2)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,253 INFO L280 TraceCheckUtils]: 38: Hoare triple {12742#(<= ~waterLevel~0 2)} assume !(0 != test_~tmp___0~0); {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,253 INFO L280 TraceCheckUtils]: 39: Hoare triple {12742#(<= ~waterLevel~0 2)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,254 INFO L280 TraceCheckUtils]: 40: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 != test_~tmp___2~0; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,254 INFO L280 TraceCheckUtils]: 41: Hoare triple {12742#(<= ~waterLevel~0 2)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,255 INFO L280 TraceCheckUtils]: 42: Hoare triple {12742#(<= ~waterLevel~0 2)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,255 INFO L280 TraceCheckUtils]: 43: Hoare triple {12742#(<= ~waterLevel~0 2)} assume 0 != ~pumpRunning~0; {12742#(<= ~waterLevel~0 2)} is VALID [2020-07-28 19:05:52,256 INFO L280 TraceCheckUtils]: 44: Hoare triple {12742#(<= ~waterLevel~0 2)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12743#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:05:52,257 INFO L280 TraceCheckUtils]: 45: Hoare triple {12743#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12743#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:05:52,257 INFO L280 TraceCheckUtils]: 46: Hoare triple {12743#(<= ~waterLevel~0 1)} assume !(0 == ~pumpRunning~0); {12743#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:05:52,258 INFO L280 TraceCheckUtils]: 47: Hoare triple {12743#(<= ~waterLevel~0 1)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12744#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} is VALID [2020-07-28 19:05:52,259 INFO L280 TraceCheckUtils]: 48: Hoare triple {12744#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12745#(<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 1)} is VALID [2020-07-28 19:05:52,259 INFO L280 TraceCheckUtils]: 49: Hoare triple {12745#(<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12740#false} is VALID [2020-07-28 19:05:52,260 INFO L280 TraceCheckUtils]: 50: Hoare triple {12740#false} assume !false; {12740#false} is VALID [2020-07-28 19:05:52,260 INFO L280 TraceCheckUtils]: 51: Hoare triple {12740#false} assume test_~splverifierCounter~0 < 4; {12740#false} is VALID [2020-07-28 19:05:52,260 INFO L280 TraceCheckUtils]: 52: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12740#false} is VALID [2020-07-28 19:05:52,260 INFO L280 TraceCheckUtils]: 53: Hoare triple {12740#false} assume !(0 != test_~tmp~4); {12740#false} is VALID [2020-07-28 19:05:52,261 INFO L280 TraceCheckUtils]: 54: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12740#false} is VALID [2020-07-28 19:05:52,261 INFO L280 TraceCheckUtils]: 55: Hoare triple {12740#false} assume !(0 != test_~tmp___0~0); {12740#false} is VALID [2020-07-28 19:05:52,261 INFO L280 TraceCheckUtils]: 56: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12740#false} is VALID [2020-07-28 19:05:52,261 INFO L280 TraceCheckUtils]: 57: Hoare triple {12740#false} assume 0 != test_~tmp___2~0; {12740#false} is VALID [2020-07-28 19:05:52,261 INFO L280 TraceCheckUtils]: 58: Hoare triple {12740#false} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12740#false} is VALID [2020-07-28 19:05:52,262 INFO L280 TraceCheckUtils]: 59: Hoare triple {12740#false} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12740#false} is VALID [2020-07-28 19:05:52,262 INFO L280 TraceCheckUtils]: 60: Hoare triple {12740#false} assume 0 != ~pumpRunning~0; {12740#false} is VALID [2020-07-28 19:05:52,262 INFO L280 TraceCheckUtils]: 61: Hoare triple {12740#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12740#false} is VALID [2020-07-28 19:05:52,262 INFO L280 TraceCheckUtils]: 62: Hoare triple {12740#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12740#false} is VALID [2020-07-28 19:05:52,262 INFO L280 TraceCheckUtils]: 63: Hoare triple {12740#false} assume !(0 == ~pumpRunning~0); {12740#false} is VALID [2020-07-28 19:05:52,263 INFO L280 TraceCheckUtils]: 64: Hoare triple {12740#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12740#false} is VALID [2020-07-28 19:05:52,263 INFO L280 TraceCheckUtils]: 65: Hoare triple {12740#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12740#false} is VALID [2020-07-28 19:05:52,263 INFO L280 TraceCheckUtils]: 66: Hoare triple {12740#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12740#false} is VALID [2020-07-28 19:05:52,263 INFO L280 TraceCheckUtils]: 67: Hoare triple {12740#false} assume !false; {12740#false} is VALID [2020-07-28 19:05:52,263 INFO L280 TraceCheckUtils]: 68: Hoare triple {12740#false} assume test_~splverifierCounter~0 < 4; {12740#false} is VALID [2020-07-28 19:05:52,264 INFO L280 TraceCheckUtils]: 69: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12740#false} is VALID [2020-07-28 19:05:52,264 INFO L280 TraceCheckUtils]: 70: Hoare triple {12740#false} assume !(0 != test_~tmp~4); {12740#false} is VALID [2020-07-28 19:05:52,264 INFO L280 TraceCheckUtils]: 71: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12740#false} is VALID [2020-07-28 19:05:52,264 INFO L280 TraceCheckUtils]: 72: Hoare triple {12740#false} assume !(0 != test_~tmp___0~0); {12740#false} is VALID [2020-07-28 19:05:52,265 INFO L280 TraceCheckUtils]: 73: Hoare triple {12740#false} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12740#false} is VALID [2020-07-28 19:05:52,265 INFO L280 TraceCheckUtils]: 74: Hoare triple {12740#false} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {12740#false} is VALID [2020-07-28 19:05:52,265 INFO L280 TraceCheckUtils]: 75: Hoare triple {12740#false} assume 0 != test_~tmp___1~0; {12740#false} is VALID [2020-07-28 19:05:52,265 INFO L280 TraceCheckUtils]: 76: Hoare triple {12740#false} assume 0 != ~pumpRunning~0;~pumpRunning~0 := 0; {12740#false} is VALID [2020-07-28 19:05:52,265 INFO L280 TraceCheckUtils]: 77: Hoare triple {12740#false} ~systemActive~0 := 0; {12740#false} is VALID [2020-07-28 19:05:52,266 INFO L280 TraceCheckUtils]: 78: Hoare triple {12740#false} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12740#false} is VALID [2020-07-28 19:05:52,266 INFO L280 TraceCheckUtils]: 79: Hoare triple {12740#false} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12740#false} is VALID [2020-07-28 19:05:52,266 INFO L280 TraceCheckUtils]: 80: Hoare triple {12740#false} assume !(0 != ~pumpRunning~0); {12740#false} is VALID [2020-07-28 19:05:52,266 INFO L280 TraceCheckUtils]: 81: Hoare triple {12740#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12740#false} is VALID [2020-07-28 19:05:52,267 INFO L280 TraceCheckUtils]: 82: Hoare triple {12740#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {12740#false} is VALID [2020-07-28 19:05:52,267 INFO L280 TraceCheckUtils]: 83: Hoare triple {12740#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {12740#false} is VALID [2020-07-28 19:05:52,267 INFO L280 TraceCheckUtils]: 84: Hoare triple {12740#false} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {12740#false} is VALID [2020-07-28 19:05:52,267 INFO L280 TraceCheckUtils]: 85: Hoare triple {12740#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {12740#false} is VALID [2020-07-28 19:05:52,267 INFO L280 TraceCheckUtils]: 86: Hoare triple {12740#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {12740#false} is VALID [2020-07-28 19:05:52,268 INFO L280 TraceCheckUtils]: 87: Hoare triple {12740#false} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {12740#false} is VALID [2020-07-28 19:05:52,268 INFO L280 TraceCheckUtils]: 88: Hoare triple {12740#false} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {12740#false} is VALID [2020-07-28 19:05:52,268 INFO L280 TraceCheckUtils]: 89: Hoare triple {12740#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {12740#false} is VALID [2020-07-28 19:05:52,268 INFO L280 TraceCheckUtils]: 90: Hoare triple {12740#false} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {12740#false} is VALID [2020-07-28 19:05:52,268 INFO L280 TraceCheckUtils]: 91: Hoare triple {12740#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {12740#false} is VALID [2020-07-28 19:05:52,269 INFO L280 TraceCheckUtils]: 92: Hoare triple {12740#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12740#false} is VALID [2020-07-28 19:05:52,269 INFO L280 TraceCheckUtils]: 93: Hoare triple {12740#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12740#false} is VALID [2020-07-28 19:05:52,269 INFO L280 TraceCheckUtils]: 94: Hoare triple {12740#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12740#false} is VALID [2020-07-28 19:05:52,269 INFO L280 TraceCheckUtils]: 95: Hoare triple {12740#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {12740#false} is VALID [2020-07-28 19:05:52,269 INFO L280 TraceCheckUtils]: 96: Hoare triple {12740#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {12740#false} is VALID [2020-07-28 19:05:52,270 INFO L280 TraceCheckUtils]: 97: Hoare triple {12740#false} assume 0 == ~switchedOnBeforeTS~0; {12740#false} is VALID [2020-07-28 19:05:52,270 INFO L280 TraceCheckUtils]: 98: Hoare triple {12740#false} assume !false; {12740#false} is VALID [2020-07-28 19:05:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-28 19:05:52,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543486160] [2020-07-28 19:05:52,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872226968] [2020-07-28 19:05:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:05:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:52,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:05:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:52,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:05:52,524 INFO L280 TraceCheckUtils]: 0: Hoare triple {12739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {12739#true} is VALID [2020-07-28 19:05:52,525 INFO L280 TraceCheckUtils]: 1: Hoare triple {12739#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {12739#true} is VALID [2020-07-28 19:05:52,525 INFO L280 TraceCheckUtils]: 2: Hoare triple {12739#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {12739#true} is VALID [2020-07-28 19:05:52,525 INFO L280 TraceCheckUtils]: 3: Hoare triple {12739#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {12739#true} is VALID [2020-07-28 19:05:52,525 INFO L280 TraceCheckUtils]: 4: Hoare triple {12739#true} assume 0 != main_~tmp~3; {12739#true} is VALID [2020-07-28 19:05:52,525 INFO L280 TraceCheckUtils]: 5: Hoare triple {12739#true} ~switchedOnBeforeTS~0 := 0; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 6: Hoare triple {12739#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 7: Hoare triple {12739#true} assume !false; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 8: Hoare triple {12739#true} assume test_~splverifierCounter~0 < 4; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 9: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 10: Hoare triple {12739#true} assume 0 != test_~tmp~4; {12739#true} is VALID [2020-07-28 19:05:52,526 INFO L280 TraceCheckUtils]: 11: Hoare triple {12739#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {12739#true} is VALID [2020-07-28 19:05:52,527 INFO L280 TraceCheckUtils]: 12: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12739#true} is VALID [2020-07-28 19:05:52,527 INFO L280 TraceCheckUtils]: 13: Hoare triple {12739#true} assume !(0 != test_~tmp___0~0); {12739#true} is VALID [2020-07-28 19:05:52,527 INFO L280 TraceCheckUtils]: 14: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12739#true} is VALID [2020-07-28 19:05:52,527 INFO L280 TraceCheckUtils]: 15: Hoare triple {12739#true} assume 0 != test_~tmp___2~0; {12739#true} is VALID [2020-07-28 19:05:52,527 INFO L280 TraceCheckUtils]: 16: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12739#true} is VALID [2020-07-28 19:05:52,528 INFO L280 TraceCheckUtils]: 17: Hoare triple {12739#true} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12739#true} is VALID [2020-07-28 19:05:52,528 INFO L280 TraceCheckUtils]: 18: Hoare triple {12739#true} assume !(0 != ~pumpRunning~0); {12739#true} is VALID [2020-07-28 19:05:52,528 INFO L280 TraceCheckUtils]: 19: Hoare triple {12739#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12739#true} is VALID [2020-07-28 19:05:52,528 INFO L280 TraceCheckUtils]: 20: Hoare triple {12739#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {12739#true} is VALID [2020-07-28 19:05:52,528 INFO L280 TraceCheckUtils]: 21: Hoare triple {12739#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {12739#true} is VALID [2020-07-28 19:05:52,529 INFO L280 TraceCheckUtils]: 22: Hoare triple {12739#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {12739#true} is VALID [2020-07-28 19:05:52,529 INFO L280 TraceCheckUtils]: 23: Hoare triple {12739#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {12739#true} is VALID [2020-07-28 19:05:52,529 INFO L280 TraceCheckUtils]: 24: Hoare triple {12739#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {12739#true} is VALID [2020-07-28 19:05:52,529 INFO L280 TraceCheckUtils]: 25: Hoare triple {12739#true} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {12739#true} is VALID [2020-07-28 19:05:52,529 INFO L280 TraceCheckUtils]: 26: Hoare triple {12739#true} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {12739#true} is VALID [2020-07-28 19:05:52,530 INFO L280 TraceCheckUtils]: 27: Hoare triple {12739#true} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {12739#true} is VALID [2020-07-28 19:05:52,530 INFO L280 TraceCheckUtils]: 28: Hoare triple {12739#true} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {12739#true} is VALID [2020-07-28 19:05:52,530 INFO L280 TraceCheckUtils]: 29: Hoare triple {12739#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {12739#true} is VALID [2020-07-28 19:05:52,530 INFO L280 TraceCheckUtils]: 30: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12739#true} is VALID [2020-07-28 19:05:52,530 INFO L280 TraceCheckUtils]: 31: Hoare triple {12739#true} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 32: Hoare triple {12739#true} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 33: Hoare triple {12739#true} assume !false; {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 34: Hoare triple {12739#true} assume test_~splverifierCounter~0 < 4; {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 35: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 36: Hoare triple {12739#true} assume !(0 != test_~tmp~4); {12739#true} is VALID [2020-07-28 19:05:52,531 INFO L280 TraceCheckUtils]: 37: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12739#true} is VALID [2020-07-28 19:05:52,532 INFO L280 TraceCheckUtils]: 38: Hoare triple {12739#true} assume !(0 != test_~tmp___0~0); {12739#true} is VALID [2020-07-28 19:05:52,532 INFO L280 TraceCheckUtils]: 39: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12739#true} is VALID [2020-07-28 19:05:52,532 INFO L280 TraceCheckUtils]: 40: Hoare triple {12739#true} assume 0 != test_~tmp___2~0; {12739#true} is VALID [2020-07-28 19:05:52,532 INFO L280 TraceCheckUtils]: 41: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12739#true} is VALID [2020-07-28 19:05:52,533 INFO L280 TraceCheckUtils]: 42: Hoare triple {12739#true} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12739#true} is VALID [2020-07-28 19:05:52,533 INFO L280 TraceCheckUtils]: 43: Hoare triple {12739#true} assume 0 != ~pumpRunning~0; {12739#true} is VALID [2020-07-28 19:05:52,533 INFO L280 TraceCheckUtils]: 44: Hoare triple {12739#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12739#true} is VALID [2020-07-28 19:05:52,533 INFO L280 TraceCheckUtils]: 45: Hoare triple {12739#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12739#true} is VALID [2020-07-28 19:05:52,533 INFO L280 TraceCheckUtils]: 46: Hoare triple {12739#true} assume !(0 == ~pumpRunning~0); {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 47: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 48: Hoare triple {12739#true} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 49: Hoare triple {12739#true} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 50: Hoare triple {12739#true} assume !false; {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 51: Hoare triple {12739#true} assume test_~splverifierCounter~0 < 4; {12739#true} is VALID [2020-07-28 19:05:52,534 INFO L280 TraceCheckUtils]: 52: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12739#true} is VALID [2020-07-28 19:05:52,535 INFO L280 TraceCheckUtils]: 53: Hoare triple {12739#true} assume !(0 != test_~tmp~4); {12739#true} is VALID [2020-07-28 19:05:52,535 INFO L280 TraceCheckUtils]: 54: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12739#true} is VALID [2020-07-28 19:05:52,535 INFO L280 TraceCheckUtils]: 55: Hoare triple {12739#true} assume !(0 != test_~tmp___0~0); {12739#true} is VALID [2020-07-28 19:05:52,535 INFO L280 TraceCheckUtils]: 56: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12739#true} is VALID [2020-07-28 19:05:52,535 INFO L280 TraceCheckUtils]: 57: Hoare triple {12739#true} assume 0 != test_~tmp___2~0; {12739#true} is VALID [2020-07-28 19:05:52,536 INFO L280 TraceCheckUtils]: 58: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12739#true} is VALID [2020-07-28 19:05:52,536 INFO L280 TraceCheckUtils]: 59: Hoare triple {12739#true} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12739#true} is VALID [2020-07-28 19:05:52,536 INFO L280 TraceCheckUtils]: 60: Hoare triple {12739#true} assume 0 != ~pumpRunning~0; {12739#true} is VALID [2020-07-28 19:05:52,536 INFO L280 TraceCheckUtils]: 61: Hoare triple {12739#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12739#true} is VALID [2020-07-28 19:05:52,536 INFO L280 TraceCheckUtils]: 62: Hoare triple {12739#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 63: Hoare triple {12739#true} assume !(0 == ~pumpRunning~0); {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 64: Hoare triple {12739#true} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 65: Hoare triple {12739#true} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 66: Hoare triple {12739#true} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 67: Hoare triple {12739#true} assume !false; {12739#true} is VALID [2020-07-28 19:05:52,537 INFO L280 TraceCheckUtils]: 68: Hoare triple {12739#true} assume test_~splverifierCounter~0 < 4; {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 69: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 70: Hoare triple {12739#true} assume !(0 != test_~tmp~4); {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 71: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 72: Hoare triple {12739#true} assume !(0 != test_~tmp___0~0); {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 73: Hoare triple {12739#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {12739#true} is VALID [2020-07-28 19:05:52,538 INFO L280 TraceCheckUtils]: 74: Hoare triple {12739#true} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {12739#true} is VALID [2020-07-28 19:05:52,539 INFO L280 TraceCheckUtils]: 75: Hoare triple {12739#true} assume 0 != test_~tmp___1~0; {12739#true} is VALID [2020-07-28 19:05:52,539 INFO L280 TraceCheckUtils]: 76: Hoare triple {12739#true} assume 0 != ~pumpRunning~0;~pumpRunning~0 := 0; {12739#true} is VALID [2020-07-28 19:05:52,539 INFO L280 TraceCheckUtils]: 77: Hoare triple {12739#true} ~systemActive~0 := 0; {12980#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:05:52,540 INFO L280 TraceCheckUtils]: 78: Hoare triple {12980#(= 0 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12980#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:05:52,540 INFO L280 TraceCheckUtils]: 79: Hoare triple {12980#(= 0 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret70 && __utac_acc__Specification5_spec__2_#t~ret70 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; {12980#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:05:52,541 INFO L280 TraceCheckUtils]: 80: Hoare triple {12980#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {12980#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 81: Hoare triple {12980#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {12740#false} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 82: Hoare triple {12740#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {12740#false} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 83: Hoare triple {12740#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {12740#false} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 84: Hoare triple {12740#false} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {12740#false} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 85: Hoare triple {12740#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {12740#false} is VALID [2020-07-28 19:05:52,542 INFO L280 TraceCheckUtils]: 86: Hoare triple {12740#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {12740#false} is VALID [2020-07-28 19:05:52,543 INFO L280 TraceCheckUtils]: 87: Hoare triple {12740#false} processEnvironment_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret40 && processEnvironment_#t~ret40 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; {12740#false} is VALID [2020-07-28 19:05:52,543 INFO L280 TraceCheckUtils]: 88: Hoare triple {12740#false} assume 0 != processEnvironment_~tmp~5;havoc activatePump_#t~ret41, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; {12740#false} is VALID [2020-07-28 19:05:52,543 INFO L280 TraceCheckUtils]: 89: Hoare triple {12740#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {12740#false} is VALID [2020-07-28 19:05:52,543 INFO L280 TraceCheckUtils]: 90: Hoare triple {12740#false} activatePump_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret41 && activatePump_#t~ret41 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret41;havoc activatePump_#t~ret41; {12740#false} is VALID [2020-07-28 19:05:52,543 INFO L280 TraceCheckUtils]: 91: Hoare triple {12740#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {12740#false} is VALID [2020-07-28 19:05:52,544 INFO L280 TraceCheckUtils]: 92: Hoare triple {12740#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; {12740#false} is VALID [2020-07-28 19:05:52,544 INFO L280 TraceCheckUtils]: 93: Hoare triple {12740#false} __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret71 && __utac_acc__Specification5_spec__3_#t~ret71 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {12740#false} is VALID [2020-07-28 19:05:52,544 INFO L280 TraceCheckUtils]: 94: Hoare triple {12740#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {12740#false} is VALID [2020-07-28 19:05:52,544 INFO L280 TraceCheckUtils]: 95: Hoare triple {12740#false} __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {12740#false} is VALID [2020-07-28 19:05:52,544 INFO L280 TraceCheckUtils]: 96: Hoare triple {12740#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {12740#false} is VALID [2020-07-28 19:05:52,545 INFO L280 TraceCheckUtils]: 97: Hoare triple {12740#false} assume 0 == ~switchedOnBeforeTS~0; {12740#false} is VALID [2020-07-28 19:05:52,545 INFO L280 TraceCheckUtils]: 98: Hoare triple {12740#false} assume !false; {12740#false} is VALID [2020-07-28 19:05:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-28 19:05:52,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:05:52,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-07-28 19:05:52,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935252560] [2020-07-28 19:05:52,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-07-28 19:05:52,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:52,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:52,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:52,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:52,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:52,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:52,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:05:52,625 INFO L87 Difference]: Start difference. First operand 303 states and 391 transitions. Second operand 3 states. [2020-07-28 19:05:53,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:53,660 INFO L93 Difference]: Finished difference Result 375 states and 484 transitions. [2020-07-28 19:05:53,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:53,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-07-28 19:05:53,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 19:05:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 19:05:53,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 140 transitions. [2020-07-28 19:05:53,842 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:53,842 INFO L225 Difference]: With dead ends: 375 [2020-07-28 19:05:53,842 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:53,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:05:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:53,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:53,844 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:53,845 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:53,845 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:53,845 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:53,845 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:53,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:53,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:53,846 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:53,846 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:53,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:53,846 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:53,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:53,847 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:53,847 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:53,847 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:53,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-28 19:05:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:53,849 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:53,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:53,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:54,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:05:54,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:54,188 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2020-07-28 19:05:55,055 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-07-28 19:05:55,238 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-07-28 19:05:55,395 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-07-28 19:05:55,587 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-07-28 19:05:55,738 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-07-28 19:05:56,074 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-07-28 19:05:56,366 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2020-07-28 19:05:56,550 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2020-07-28 19:05:56,805 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-07-28 19:05:56,970 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-28 19:05:57,329 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 6 [2020-07-28 19:05:57,347 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-07-28 19:05:57,347 INFO L268 CegarLoopResult]: For program point L861-1(lines 861 867) no Hoare annotation was computed. [2020-07-28 19:05:57,347 INFO L268 CegarLoopResult]: For program point L861-2(lines 861 867) no Hoare annotation was computed. [2020-07-28 19:05:57,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,348 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-28 19:05:57,348 INFO L271 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2020-07-28 19:05:57,348 INFO L264 CegarLoopResult]: At program point L944(lines 1 964) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,348 INFO L268 CegarLoopResult]: For program point L961(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,348 INFO L268 CegarLoopResult]: For program point L961-1(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,348 INFO L268 CegarLoopResult]: For program point L961-2(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,348 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:57,349 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-07-28 19:05:57,349 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-07-28 19:05:57,349 INFO L268 CegarLoopResult]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2020-07-28 19:05:57,349 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2020-07-28 19:05:57,349 INFO L264 CegarLoopResult]: At program point L879(lines 874 881) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,350 INFO L264 CegarLoopResult]: At program point L599(lines 595 617) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:05:57,350 INFO L264 CegarLoopResult]: At program point L599-1(lines 595 617) the Hoare annotation is: false [2020-07-28 19:05:57,350 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-28 19:05:57,351 INFO L264 CegarLoopResult]: At program point L599-2(lines 595 617) the Hoare annotation is: false [2020-07-28 19:05:57,351 INFO L264 CegarLoopResult]: At program point L533-1(lines 533 539) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse3 .cse1 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:05:57,351 INFO L264 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2020-07-28 19:05:57,351 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-07-28 19:05:57,351 INFO L264 CegarLoopResult]: At program point L765-1(lines 765 771) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:05:57,352 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-28 19:05:57,352 INFO L264 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,352 INFO L264 CegarLoopResult]: At program point L866(lines 857 870) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2))) [2020-07-28 19:05:57,352 INFO L264 CegarLoopResult]: At program point L866-1(lines 857 870) the Hoare annotation is: false [2020-07-28 19:05:57,353 INFO L264 CegarLoopResult]: At program point L866-2(lines 857 870) the Hoare annotation is: false [2020-07-28 19:05:57,353 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-07-28 19:05:57,353 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-07-28 19:05:57,353 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2020-07-28 19:05:57,353 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 674) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L668-4(lines 668 674) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,354 INFO L268 CegarLoopResult]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:05:57,355 INFO L268 CegarLoopResult]: For program point L751-3(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,355 INFO L268 CegarLoopResult]: For program point L751-5(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,355 INFO L268 CegarLoopResult]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:05:57,355 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-07-28 19:05:57,355 INFO L268 CegarLoopResult]: For program point L751-6(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,356 INFO L268 CegarLoopResult]: For program point L751-8(lines 751 755) no Hoare annotation was computed. [2020-07-28 19:05:57,356 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-07-28 19:05:57,356 INFO L264 CegarLoopResult]: At program point L900-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse4 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse3 (= 0 ~systemActive~0) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse9) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse8 .cse9) (and .cse3 .cse6 (= 1 ~waterLevel~0) .cse8))) [2020-07-28 19:05:57,356 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 917) no Hoare annotation was computed. [2020-07-28 19:05:57,356 INFO L264 CegarLoopResult]: At program point L900-3(lines 1 964) the Hoare annotation is: false [2020-07-28 19:05:57,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:57,357 INFO L268 CegarLoopResult]: For program point L900-4(lines 900 917) no Hoare annotation was computed. [2020-07-28 19:05:57,357 INFO L264 CegarLoopResult]: At program point L900-5(lines 1 964) the Hoare annotation is: false [2020-07-28 19:05:57,357 INFO L264 CegarLoopResult]: At program point L702(lines 697 705) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 (= 1 ~waterLevel~0) .cse4) (and .cse1 (= 0 ~systemActive~0) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse4) (and .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5))) [2020-07-28 19:05:57,358 INFO L264 CegarLoopResult]: At program point L702-1(lines 697 705) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 (<= 1 ~pumpRunning~0)))) [2020-07-28 19:05:57,358 INFO L264 CegarLoopResult]: At program point L702-2(lines 697 705) the Hoare annotation is: false [2020-07-28 19:05:57,358 INFO L264 CegarLoopResult]: At program point L702-3(lines 697 705) the Hoare annotation is: false [2020-07-28 19:05:57,358 INFO L264 CegarLoopResult]: At program point L702-4(lines 697 705) the Hoare annotation is: false [2020-07-28 19:05:57,358 INFO L264 CegarLoopResult]: At program point L702-5(lines 697 705) the Hoare annotation is: false [2020-07-28 19:05:57,359 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-28 19:05:57,359 INFO L268 CegarLoopResult]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2020-07-28 19:05:57,359 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: false [2020-07-28 19:05:57,359 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,359 INFO L264 CegarLoopResult]: At program point L952(lines 947 955) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,360 INFO L264 CegarLoopResult]: At program point L853(lines 848 856) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse2 .cse3 .cse0 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse7) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse6) (and .cse2 .cse3 .cse0 .cse4 .cse1 .cse5 .cse6))) [2020-07-28 19:05:57,360 INFO L264 CegarLoopResult]: At program point L853-1(lines 848 856) the Hoare annotation is: false [2020-07-28 19:05:57,360 INFO L264 CegarLoopResult]: At program point L853-2(lines 848 856) the Hoare annotation is: false [2020-07-28 19:05:57,360 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse3 .cse1 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:05:57,361 INFO L264 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2020-07-28 19:05:57,361 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:57,361 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2020-07-28 19:05:57,361 INFO L271 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2020-07-28 19:05:57,361 INFO L264 CegarLoopResult]: At program point L821(lines 816 824) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,362 INFO L264 CegarLoopResult]: At program point L821-1(lines 816 824) the Hoare annotation is: false [2020-07-28 19:05:57,362 INFO L264 CegarLoopResult]: At program point L821-2(lines 816 824) the Hoare annotation is: false [2020-07-28 19:05:57,362 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-07-28 19:05:57,362 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-28 19:05:57,362 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-28 19:05:57,362 INFO L268 CegarLoopResult]: For program point L904-4(lines 904 914) no Hoare annotation was computed. [2020-07-28 19:05:57,363 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-28 19:05:57,363 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-07-28 19:05:57,363 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 911) no Hoare annotation was computed. [2020-07-28 19:05:57,363 INFO L268 CegarLoopResult]: For program point L905-4(lines 905 911) no Hoare annotation was computed. [2020-07-28 19:05:57,363 INFO L264 CegarLoopResult]: At program point L889(lines 599 605) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 (<= 1 ~pumpRunning~0)))) [2020-07-28 19:05:57,364 INFO L264 CegarLoopResult]: At program point L889-1(lines 599 605) the Hoare annotation is: false [2020-07-28 19:05:57,364 INFO L264 CegarLoopResult]: At program point L889-2(lines 599 605) the Hoare annotation is: false [2020-07-28 19:05:57,364 INFO L264 CegarLoopResult]: At program point L757(lines 742 760) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~waterLevel~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2))) [2020-07-28 19:05:57,364 INFO L264 CegarLoopResult]: At program point L757-1(lines 742 760) the Hoare annotation is: false [2020-07-28 19:05:57,364 INFO L264 CegarLoopResult]: At program point L757-2(lines 742 760) the Hoare annotation is: false [2020-07-28 19:05:57,364 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-28 19:05:57,365 INFO L264 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse3 .cse1 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:05:57,365 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-28 19:05:57,365 INFO L264 CegarLoopResult]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse3 .cse1 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:05:57,365 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-07-28 19:05:57,366 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:57,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-28 19:05:57,366 INFO L264 CegarLoopResult]: At program point L693(lines 686 696) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:57,366 INFO L264 CegarLoopResult]: At program point L693-1(lines 686 696) the Hoare annotation is: false [2020-07-28 19:05:57,366 INFO L264 CegarLoopResult]: At program point L693-2(lines 686 696) the Hoare annotation is: false [2020-07-28 19:05:57,371 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:57,371 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:57,378 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:05:57,379 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:05:57,379 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:05:57,380 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L525 has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:05:57,381 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L631-1 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L631-1 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L631-1 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:05:57,382 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:05:57,383 WARN L170 areAnnotationChecker]: L861-1 has no Hoare annotation [2020-07-28 19:05:57,383 WARN L170 areAnnotationChecker]: L861-1 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L900-2 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L751-3 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L900-2 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L900-2 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:05:57,384 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:05:57,385 WARN L170 areAnnotationChecker]: L751-3 has no Hoare annotation [2020-07-28 19:05:57,385 WARN L170 areAnnotationChecker]: L751-3 has no Hoare annotation [2020-07-28 19:05:57,385 WARN L170 areAnnotationChecker]: L904-2 has no Hoare annotation [2020-07-28 19:05:57,386 WARN L170 areAnnotationChecker]: L559 has no Hoare annotation [2020-07-28 19:05:57,386 WARN L170 areAnnotationChecker]: L559 has no Hoare annotation [2020-07-28 19:05:57,386 WARN L170 areAnnotationChecker]: L751-5 has no Hoare annotation [2020-07-28 19:05:57,387 WARN L170 areAnnotationChecker]: L904-2 has no Hoare annotation [2020-07-28 19:05:57,387 WARN L170 areAnnotationChecker]: L904-2 has no Hoare annotation [2020-07-28 19:05:57,387 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:05:57,388 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:05:57,388 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:05:57,388 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:05:57,388 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 19:05:57,388 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 19:05:57,389 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:05:57,389 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:05:57,391 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:05:57,391 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L961-1 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L961-1 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:05:57,392 WARN L170 areAnnotationChecker]: L631 has no Hoare annotation [2020-07-28 19:05:57,397 WARN L170 areAnnotationChecker]: L422-1 has no Hoare annotation [2020-07-28 19:05:57,398 WARN L170 areAnnotationChecker]: L631 has no Hoare annotation [2020-07-28 19:05:57,398 WARN L170 areAnnotationChecker]: L631 has no Hoare annotation [2020-07-28 19:05:57,399 WARN L170 areAnnotationChecker]: L668-2 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L668-2 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L668-2 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:05:57,400 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L631-2 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L631-2 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L631-2 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L751-2 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:57,401 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L900-4 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L751-6 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L900-4 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L900-4 has no Hoare annotation [2020-07-28 19:05:57,402 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L961 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L961 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L751-6 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L751-6 has no Hoare annotation [2020-07-28 19:05:57,403 WARN L170 areAnnotationChecker]: L904-4 has no Hoare annotation [2020-07-28 19:05:57,404 WARN L170 areAnnotationChecker]: L751-8 has no Hoare annotation [2020-07-28 19:05:57,404 WARN L170 areAnnotationChecker]: L904-4 has no Hoare annotation [2020-07-28 19:05:57,404 WARN L170 areAnnotationChecker]: L904-4 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 19:05:57,405 WARN L170 areAnnotationChecker]: L961-2 has no Hoare annotation [2020-07-28 19:05:57,406 WARN L170 areAnnotationChecker]: L961-2 has no Hoare annotation [2020-07-28 19:05:57,406 WARN L170 areAnnotationChecker]: L668-4 has no Hoare annotation [2020-07-28 19:05:57,406 WARN L170 areAnnotationChecker]: L668-4 has no Hoare annotation [2020-07-28 19:05:57,406 WARN L170 areAnnotationChecker]: L668-4 has no Hoare annotation [2020-07-28 19:05:57,406 INFO L163 areAnnotationChecker]: CFG has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:57,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:57 BoogieIcfgContainer [2020-07-28 19:05:57,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:57,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:57,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:57,469 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:57,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:33" (3/4) ... [2020-07-28 19:05:57,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:57,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:57,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:57,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:57,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:57,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:57,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:57,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:57,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp <= 2 && 2 <= waterLevel) && \result <= 2) && 0 == splverifierCounter) && 2 <= tmp) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= \result) && 1 == systemActive) || ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning)) || ((((((((tmp <= 2 && 2 <= waterLevel) && \result <= 2) && 0 == splverifierCounter) && 2 <= tmp) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) [2020-07-28 19:05:57,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) [2020-07-28 19:05:57,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:57,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= \result) && 1 == systemActive) [2020-07-28 19:05:57,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:57,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) [2020-07-28 19:05:57,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == tmp) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:57,669 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:57,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:57,672 INFO L168 Benchmark]: Toolchain (without parser) took 26897.62 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 360.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,672 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:57,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:57,673 INFO L168 Benchmark]: Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,673 INFO L168 Benchmark]: RCFGBuilder took 1603.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 152.3 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,674 INFO L168 Benchmark]: TraceAbstraction took 24216.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 339.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,674 INFO L168 Benchmark]: Witness Printer took 201.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:57,677 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 0.99 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 732.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1603.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 152.3 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24216.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 339.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. * Witness Printer took 201.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: 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: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= \result) && 1 == systemActive) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((tmp <= 2 && 2 <= waterLevel) && \result <= 2) && 0 == splverifierCounter) && 2 <= tmp) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= \result) && 1 == systemActive) || ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning)) || ((((((((tmp <= 2 && 2 <= waterLevel) && \result <= 2) && 0 == splverifierCounter) && 2 <= tmp) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: ((((((!(0 == tmp) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 982 SDtfs, 1383 SDslu, 1606 SDs, 0 SdLazy, 255 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 940 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 136 NumberOfFragments, 898 HoareAnnotationTreeSize, 45 FomulaSimplifications, 117220 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 20471 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 62892 SizeOfPredicates, 4 NumberOfNonLiveVariables, 962 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 220/244 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...