./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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_product33.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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:05:22,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:05:22,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:05:22,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:05:22,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:05:22,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:05:22,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:05:22,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:05:22,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:05:22,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:05:22,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:05:22,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:05:22,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:05:22,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:05:22,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:05:22,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:05:22,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:05:22,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:05:22,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:05:22,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:05:22,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:05:22,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:05:22,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:05:22,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:05:22,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:05:22,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:05:22,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:05:22,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:05:22,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:05:22,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:05:22,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:05:22,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:05:22,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:05:22,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:05:22,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:05:22,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:05:22,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:05:22,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:05:22,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:05:22,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:05:22,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:05:22,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:05:22,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:05:22,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:05:22,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:05:22,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:05:22,464 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:05:22,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:05:22,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:05:22,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:05:22,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:05:22,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:05:22,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:05:22,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:05:22,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:05:22,467 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:05:22,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:05:22,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:05:22,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:05:22,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:05:22,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:05:22,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:05:22,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:05:22,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:05:22,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:05:22,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:05:22,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:05:22,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:05:22,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:05:22,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:05:22,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:05:22,470 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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2020-07-28 19:05:22,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:05:22,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:05:22,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:05:22,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:05:22,794 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:05:22,795 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-07-28 19:05:22,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8983f1c37/fb53130fbe0f405f81cb2e127179a00c/FLAGb12a3f687 [2020-07-28 19:05:23,443 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:05:23,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-07-28 19:05:23,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8983f1c37/fb53130fbe0f405f81cb2e127179a00c/FLAGb12a3f687 [2020-07-28 19:05:23,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8983f1c37/fb53130fbe0f405f81cb2e127179a00c [2020-07-28 19:05:23,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:05:23,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:05:23,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:23,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:05:23,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:05:23,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:23" (1/1) ... [2020-07-28 19:05:23,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8f0e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:23, skipping insertion in model container [2020-07-28 19:05:23,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:23" (1/1) ... [2020-07-28 19:05:23,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:05:23,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:05:24,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:24,222 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:05:24,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:24,369 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:05:24,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24 WrapperNode [2020-07-28 19:05:24,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:24,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:24,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:05:24,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:05:24,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:24,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:05:24,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:05:24,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:05:24,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (1/1) ... [2020-07-28 19:05:24,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:05:24,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:05:24,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:05:24,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:05:24,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (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 19:05:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:05:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:05:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:05:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:05:26,082 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:05:26,083 INFO L295 CfgBuilder]: Removed 110 assume(true) statements. [2020-07-28 19:05:26,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:26 BoogieIcfgContainer [2020-07-28 19:05:26,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:05:26,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:05:26,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:05:26,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:05:26,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:05:23" (1/3) ... [2020-07-28 19:05:26,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:26, skipping insertion in model container [2020-07-28 19:05:26,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:24" (2/3) ... [2020-07-28 19:05:26,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:26, skipping insertion in model container [2020-07-28 19:05:26,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:26" (3/3) ... [2020-07-28 19:05:26,100 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-07-28 19:05:26,114 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:05:26,124 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:05:26,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:05:26,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:05:26,169 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:05:26,169 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:05:26,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:05:26,170 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:05:26,170 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:05:26,170 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:05:26,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:05:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-07-28 19:05:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:05:26,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:26,199 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 19:05:26,199 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:26,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:26,207 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2020-07-28 19:05:26,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:26,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007778761] [2020-07-28 19:05:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:26,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {90#true} is VALID [2020-07-28 19:05:26,538 INFO L280 TraceCheckUtils]: 1: Hoare triple {90#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {90#true} is VALID [2020-07-28 19:05:26,538 INFO L280 TraceCheckUtils]: 2: Hoare triple {90#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {90#true} is VALID [2020-07-28 19:05:26,539 INFO L280 TraceCheckUtils]: 3: Hoare triple {90#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {90#true} is VALID [2020-07-28 19:05:26,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {90#true} assume 0 != main_~tmp~6; {90#true} is VALID [2020-07-28 19:05:26,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {90#true} ~switchedOnBeforeTS~0 := 0; {90#true} is VALID [2020-07-28 19:05:26,541 INFO L280 TraceCheckUtils]: 6: Hoare triple {90#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {90#true} is VALID [2020-07-28 19:05:26,545 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#true} assume false; {91#false} is VALID [2020-07-28 19:05:26,545 INFO L280 TraceCheckUtils]: 8: Hoare triple {91#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~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {91#false} is VALID [2020-07-28 19:05:26,546 INFO L280 TraceCheckUtils]: 9: Hoare triple {91#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; {91#false} is VALID [2020-07-28 19:05:26,546 INFO L280 TraceCheckUtils]: 10: Hoare triple {91#false} assume !(0 != ~pumpRunning~0); {91#false} is VALID [2020-07-28 19:05:26,547 INFO L280 TraceCheckUtils]: 11: Hoare triple {91#false} assume !(0 != ~systemActive~0); {91#false} is VALID [2020-07-28 19:05:26,548 INFO L280 TraceCheckUtils]: 12: Hoare triple {91#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {91#false} is VALID [2020-07-28 19:05:26,548 INFO L280 TraceCheckUtils]: 13: Hoare triple {91#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {91#false} is VALID [2020-07-28 19:05:26,548 INFO L280 TraceCheckUtils]: 14: Hoare triple {91#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {91#false} is VALID [2020-07-28 19:05:26,549 INFO L280 TraceCheckUtils]: 15: Hoare triple {91#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; {91#false} is VALID [2020-07-28 19:05:26,549 INFO L280 TraceCheckUtils]: 16: Hoare triple {91#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {91#false} is VALID [2020-07-28 19:05:26,550 INFO L280 TraceCheckUtils]: 17: Hoare triple {91#false} assume 0 == ~switchedOnBeforeTS~0; {91#false} is VALID [2020-07-28 19:05:26,550 INFO L280 TraceCheckUtils]: 18: Hoare triple {91#false} assume !false; {91#false} is VALID [2020-07-28 19:05:26,555 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 19:05:26,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007778761] [2020-07-28 19:05:26,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:26,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:26,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883250457] [2020-07-28 19:05:26,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:26,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:26,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:05:26,625 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 19:05:26,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:05:26,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:26,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:05:26,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:05:26,639 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2020-07-28 19:05:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:26,868 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2020-07-28 19:05:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:05:26,868 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 250 transitions. [2020-07-28 19:05:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 250 transitions. [2020-07-28 19:05:26,888 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 250 transitions. [2020-07-28 19:05:27,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 250 edges. 250 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:27,248 INFO L225 Difference]: With dead ends: 167 [2020-07-28 19:05:27,248 INFO L226 Difference]: Without dead ends: 83 [2020-07-28 19:05:27,256 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 19:05:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-28 19:05:27,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-07-28 19:05:27,311 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:27,312 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2020-07-28 19:05:27,312 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:05:27,313 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:05:27,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:27,320 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-07-28 19:05:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-07-28 19:05:27,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:27,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:27,322 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:05:27,323 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:05:27,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:27,329 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-07-28 19:05:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-07-28 19:05:27,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:27,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:27,331 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:27,332 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 19:05:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-07-28 19:05:27,342 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-07-28 19:05:27,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:27,343 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-07-28 19:05:27,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:05:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-07-28 19:05:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 19:05:27,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:27,345 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 19:05:27,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:05:27,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:27,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:27,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2020-07-28 19:05:27,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:27,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511794093] [2020-07-28 19:05:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:27,516 INFO L280 TraceCheckUtils]: 0: Hoare triple {615#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {615#true} is VALID [2020-07-28 19:05:27,516 INFO L280 TraceCheckUtils]: 1: Hoare triple {615#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {615#true} is VALID [2020-07-28 19:05:27,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {615#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {615#true} is VALID [2020-07-28 19:05:27,517 INFO L280 TraceCheckUtils]: 3: Hoare triple {615#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {615#true} is VALID [2020-07-28 19:05:27,517 INFO L280 TraceCheckUtils]: 4: Hoare triple {615#true} assume 0 != main_~tmp~6; {615#true} is VALID [2020-07-28 19:05:27,518 INFO L280 TraceCheckUtils]: 5: Hoare triple {615#true} ~switchedOnBeforeTS~0 := 0; {615#true} is VALID [2020-07-28 19:05:27,519 INFO L280 TraceCheckUtils]: 6: Hoare triple {615#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {617#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:27,520 INFO L280 TraceCheckUtils]: 7: Hoare triple {617#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {617#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:27,521 INFO L280 TraceCheckUtils]: 8: Hoare triple {617#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {616#false} is VALID [2020-07-28 19:05:27,522 INFO L280 TraceCheckUtils]: 9: Hoare triple {616#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~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {616#false} is VALID [2020-07-28 19:05:27,522 INFO L280 TraceCheckUtils]: 10: Hoare triple {616#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; {616#false} is VALID [2020-07-28 19:05:27,522 INFO L280 TraceCheckUtils]: 11: Hoare triple {616#false} assume !(0 != ~pumpRunning~0); {616#false} is VALID [2020-07-28 19:05:27,523 INFO L280 TraceCheckUtils]: 12: Hoare triple {616#false} assume !(0 != ~systemActive~0); {616#false} is VALID [2020-07-28 19:05:27,523 INFO L280 TraceCheckUtils]: 13: Hoare triple {616#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {616#false} is VALID [2020-07-28 19:05:27,524 INFO L280 TraceCheckUtils]: 14: Hoare triple {616#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {616#false} is VALID [2020-07-28 19:05:27,524 INFO L280 TraceCheckUtils]: 15: Hoare triple {616#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {616#false} is VALID [2020-07-28 19:05:27,524 INFO L280 TraceCheckUtils]: 16: Hoare triple {616#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; {616#false} is VALID [2020-07-28 19:05:27,525 INFO L280 TraceCheckUtils]: 17: Hoare triple {616#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {616#false} is VALID [2020-07-28 19:05:27,525 INFO L280 TraceCheckUtils]: 18: Hoare triple {616#false} assume 0 == ~switchedOnBeforeTS~0; {616#false} is VALID [2020-07-28 19:05:27,526 INFO L280 TraceCheckUtils]: 19: Hoare triple {616#false} assume !false; {616#false} is VALID [2020-07-28 19:05:27,528 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 19:05:27,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511794093] [2020-07-28 19:05:27,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:27,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:05:27,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243226116] [2020-07-28 19:05:27,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:27,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:27,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:27,571 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 19:05:27,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:27,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:27,572 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-07-28 19:05:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:27,803 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-07-28 19:05:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:27,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:27,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:05:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:05:27,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:05:27,990 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:27,992 INFO L225 Difference]: With dead ends: 83 [2020-07-28 19:05:27,992 INFO L226 Difference]: Without dead ends: 38 [2020-07-28 19:05:27,994 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 19:05:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-28 19:05:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-28 19:05:28,015 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:28,015 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,015 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,015 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:28,017 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2020-07-28 19:05:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-07-28 19:05:28,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:28,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:28,018 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,018 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:28,019 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2020-07-28 19:05:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-07-28 19:05:28,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:28,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:28,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:28,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-28 19:05:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-07-28 19:05:28,024 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-07-28 19:05:28,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:28,024 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-07-28 19:05:28,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-07-28 19:05:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:05:28,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:28,026 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 19:05:28,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:05:28,027 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:28,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2020-07-28 19:05:28,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:28,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197812920] [2020-07-28 19:05:28,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:28,187 INFO L280 TraceCheckUtils]: 0: Hoare triple {867#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {869#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,188 INFO L280 TraceCheckUtils]: 2: Hoare triple {869#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,189 INFO L280 TraceCheckUtils]: 3: Hoare triple {869#(= 1 ~systemActive~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,190 INFO L280 TraceCheckUtils]: 4: Hoare triple {869#(= 1 ~systemActive~0)} assume 0 != main_~tmp~6; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,190 INFO L280 TraceCheckUtils]: 5: Hoare triple {869#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,191 INFO L280 TraceCheckUtils]: 6: Hoare triple {869#(= 1 ~systemActive~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,192 INFO L280 TraceCheckUtils]: 7: Hoare triple {869#(= 1 ~systemActive~0)} assume !false; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,192 INFO L280 TraceCheckUtils]: 8: Hoare triple {869#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,193 INFO L280 TraceCheckUtils]: 9: Hoare triple {869#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,194 INFO L280 TraceCheckUtils]: 10: Hoare triple {869#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3); {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,195 INFO L280 TraceCheckUtils]: 11: Hoare triple {869#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,195 INFO L280 TraceCheckUtils]: 12: Hoare triple {869#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,200 INFO L280 TraceCheckUtils]: 13: Hoare triple {869#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,201 INFO L280 TraceCheckUtils]: 14: Hoare triple {869#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {869#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,207 INFO L280 TraceCheckUtils]: 16: Hoare triple {869#(= 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; {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,208 INFO L280 TraceCheckUtils]: 17: Hoare triple {869#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {869#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:28,209 INFO L280 TraceCheckUtils]: 18: Hoare triple {869#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {868#false} is VALID [2020-07-28 19:05:28,209 INFO L280 TraceCheckUtils]: 19: Hoare triple {868#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {868#false} is VALID [2020-07-28 19:05:28,209 INFO L280 TraceCheckUtils]: 20: Hoare triple {868#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {868#false} is VALID [2020-07-28 19:05:28,210 INFO L280 TraceCheckUtils]: 21: Hoare triple {868#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {868#false} is VALID [2020-07-28 19:05:28,210 INFO L280 TraceCheckUtils]: 22: Hoare triple {868#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; {868#false} is VALID [2020-07-28 19:05:28,210 INFO L280 TraceCheckUtils]: 23: Hoare triple {868#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {868#false} is VALID [2020-07-28 19:05:28,210 INFO L280 TraceCheckUtils]: 24: Hoare triple {868#false} assume 0 == ~switchedOnBeforeTS~0; {868#false} is VALID [2020-07-28 19:05:28,211 INFO L280 TraceCheckUtils]: 25: Hoare triple {868#false} assume !false; {868#false} is VALID [2020-07-28 19:05:28,212 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 19:05:28,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197812920] [2020-07-28 19:05:28,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:28,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:28,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548478476] [2020-07-28 19:05:28,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:28,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:28,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:28,258 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 19:05:28,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:28,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:28,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:28,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:28,259 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-07-28 19:05:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:28,403 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-07-28 19:05:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:28,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:05:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:05:28,408 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:05:28,540 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:28,541 INFO L225 Difference]: With dead ends: 69 [2020-07-28 19:05:28,543 INFO L226 Difference]: Without dead ends: 38 [2020-07-28 19:05:28,544 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 19:05:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-28 19:05:28,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-28 19:05:28,579 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:28,579 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,579 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,579 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:28,583 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-28 19:05:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-28 19:05:28,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:28,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:28,586 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,586 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:05:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:28,592 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-28 19:05:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-28 19:05:28,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:28,595 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:28,595 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:28,595 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-28 19:05:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-07-28 19:05:28,600 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-07-28 19:05:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:28,601 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-07-28 19:05:28,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-28 19:05:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:05:28,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:28,603 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 19:05:28,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:05:28,605 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:28,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2020-07-28 19:05:28,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:28,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174061495] [2020-07-28 19:05:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:28,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {1096#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,712 INFO L280 TraceCheckUtils]: 1: Hoare triple {1098#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,712 INFO L280 TraceCheckUtils]: 2: Hoare triple {1098#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,713 INFO L280 TraceCheckUtils]: 3: Hoare triple {1098#(= 0 ~pumpRunning~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,714 INFO L280 TraceCheckUtils]: 4: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,715 INFO L280 TraceCheckUtils]: 5: Hoare triple {1098#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,715 INFO L280 TraceCheckUtils]: 6: Hoare triple {1098#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,716 INFO L280 TraceCheckUtils]: 7: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume !false; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,719 INFO L280 TraceCheckUtils]: 11: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,720 INFO L280 TraceCheckUtils]: 12: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,720 INFO L280 TraceCheckUtils]: 13: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,721 INFO L280 TraceCheckUtils]: 14: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,722 INFO L280 TraceCheckUtils]: 15: Hoare triple {1098#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,722 INFO L280 TraceCheckUtils]: 16: Hoare triple {1098#(= 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; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,723 INFO L280 TraceCheckUtils]: 17: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,724 INFO L280 TraceCheckUtils]: 18: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1098#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:28,725 INFO L280 TraceCheckUtils]: 19: Hoare triple {1098#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1097#false} is VALID [2020-07-28 19:05:28,725 INFO L280 TraceCheckUtils]: 20: Hoare triple {1097#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1097#false} is VALID [2020-07-28 19:05:28,725 INFO L280 TraceCheckUtils]: 21: Hoare triple {1097#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {1097#false} is VALID [2020-07-28 19:05:28,726 INFO L280 TraceCheckUtils]: 22: Hoare triple {1097#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1097#false} is VALID [2020-07-28 19:05:28,726 INFO L280 TraceCheckUtils]: 23: Hoare triple {1097#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; {1097#false} is VALID [2020-07-28 19:05:28,726 INFO L280 TraceCheckUtils]: 24: Hoare triple {1097#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {1097#false} is VALID [2020-07-28 19:05:28,726 INFO L280 TraceCheckUtils]: 25: Hoare triple {1097#false} assume 0 == ~switchedOnBeforeTS~0; {1097#false} is VALID [2020-07-28 19:05:28,727 INFO L280 TraceCheckUtils]: 26: Hoare triple {1097#false} assume !false; {1097#false} is VALID [2020-07-28 19:05:28,728 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 19:05:28,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174061495] [2020-07-28 19:05:28,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:28,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:28,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393857630] [2020-07-28 19:05:28,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:28,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:28,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:28,762 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 19:05:28,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:28,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:28,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:28,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:28,763 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-07-28 19:05:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:29,007 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-07-28 19:05:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:29,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2020-07-28 19:05:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2020-07-28 19:05:29,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 131 transitions. [2020-07-28 19:05:29,167 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:29,174 INFO L225 Difference]: With dead ends: 93 [2020-07-28 19:05:29,174 INFO L226 Difference]: Without dead ends: 62 [2020-07-28 19:05:29,175 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 19:05:29,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-28 19:05:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-07-28 19:05:29,241 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:29,241 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand 60 states. [2020-07-28 19:05:29,241 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 60 states. [2020-07-28 19:05:29,241 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 60 states. [2020-07-28 19:05:29,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:29,244 INFO L93 Difference]: Finished difference Result 62 states and 84 transitions. [2020-07-28 19:05:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-07-28 19:05:29,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:29,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:29,245 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 62 states. [2020-07-28 19:05:29,246 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 62 states. [2020-07-28 19:05:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:29,248 INFO L93 Difference]: Finished difference Result 62 states and 84 transitions. [2020-07-28 19:05:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-07-28 19:05:29,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:29,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:29,250 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:29,250 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:05:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-07-28 19:05:29,253 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-07-28 19:05:29,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:29,253 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-07-28 19:05:29,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-07-28 19:05:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:05:29,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:29,255 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] [2020-07-28 19:05:29,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:05:29,256 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:29,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:29,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2020-07-28 19:05:29,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:29,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453645752] [2020-07-28 19:05:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:29,338 INFO L280 TraceCheckUtils]: 0: Hoare triple {1437#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {1437#true} is VALID [2020-07-28 19:05:29,339 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {1437#true} is VALID [2020-07-28 19:05:29,339 INFO L280 TraceCheckUtils]: 2: Hoare triple {1437#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1437#true} is VALID [2020-07-28 19:05:29,339 INFO L280 TraceCheckUtils]: 3: Hoare triple {1437#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1437#true} is VALID [2020-07-28 19:05:29,339 INFO L280 TraceCheckUtils]: 4: Hoare triple {1437#true} assume 0 != main_~tmp~6; {1437#true} is VALID [2020-07-28 19:05:29,340 INFO L280 TraceCheckUtils]: 5: Hoare triple {1437#true} ~switchedOnBeforeTS~0 := 0; {1437#true} is VALID [2020-07-28 19:05:29,340 INFO L280 TraceCheckUtils]: 6: Hoare triple {1437#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1437#true} is VALID [2020-07-28 19:05:29,340 INFO L280 TraceCheckUtils]: 7: Hoare triple {1437#true} assume !false; {1437#true} is VALID [2020-07-28 19:05:29,340 INFO L280 TraceCheckUtils]: 8: Hoare triple {1437#true} assume test_~splverifierCounter~0 < 4; {1437#true} is VALID [2020-07-28 19:05:29,341 INFO L280 TraceCheckUtils]: 9: Hoare triple {1437#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {1437#true} is VALID [2020-07-28 19:05:29,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {1437#true} assume !(0 != test_~tmp~3); {1437#true} is VALID [2020-07-28 19:05:29,341 INFO L280 TraceCheckUtils]: 11: Hoare triple {1437#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {1437#true} is VALID [2020-07-28 19:05:29,342 INFO L280 TraceCheckUtils]: 12: Hoare triple {1437#true} assume !(0 != test_~tmp___0~0); {1437#true} is VALID [2020-07-28 19:05:29,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {1437#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1437#true} is VALID [2020-07-28 19:05:29,342 INFO L280 TraceCheckUtils]: 14: Hoare triple {1437#true} assume 0 != test_~tmp___2~0; {1437#true} is VALID [2020-07-28 19:05:29,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {1437#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1437#true} is VALID [2020-07-28 19:05:29,343 INFO L280 TraceCheckUtils]: 16: Hoare triple {1437#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; {1437#true} is VALID [2020-07-28 19:05:29,343 INFO L280 TraceCheckUtils]: 17: Hoare triple {1437#true} assume !(0 != ~pumpRunning~0); {1437#true} is VALID [2020-07-28 19:05:29,344 INFO L280 TraceCheckUtils]: 18: Hoare triple {1437#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1437#true} is VALID [2020-07-28 19:05:29,344 INFO L280 TraceCheckUtils]: 19: Hoare triple {1437#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {1437#true} is VALID [2020-07-28 19:05:29,344 INFO L280 TraceCheckUtils]: 20: Hoare triple {1437#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {1437#true} is VALID [2020-07-28 19:05:29,345 INFO L280 TraceCheckUtils]: 21: Hoare triple {1437#true} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {1437#true} is VALID [2020-07-28 19:05:29,346 INFO L280 TraceCheckUtils]: 22: Hoare triple {1437#true} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; {1439#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:05:29,347 INFO L280 TraceCheckUtils]: 23: Hoare triple {1439#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {1440#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:05:29,348 INFO L280 TraceCheckUtils]: 24: Hoare triple {1440#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {1441#(= 0 ULTIMATE.start_processEnvironment_~tmp~4)} is VALID [2020-07-28 19:05:29,349 INFO L280 TraceCheckUtils]: 25: Hoare triple {1441#(= 0 ULTIMATE.start_processEnvironment_~tmp~4)} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {1438#false} is VALID [2020-07-28 19:05:29,350 INFO L280 TraceCheckUtils]: 26: Hoare triple {1438#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1438#false} is VALID [2020-07-28 19:05:29,350 INFO L280 TraceCheckUtils]: 27: Hoare triple {1438#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {1438#false} is VALID [2020-07-28 19:05:29,350 INFO L280 TraceCheckUtils]: 28: Hoare triple {1438#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1438#false} is VALID [2020-07-28 19:05:29,350 INFO L280 TraceCheckUtils]: 29: Hoare triple {1438#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; {1438#false} is VALID [2020-07-28 19:05:29,350 INFO L280 TraceCheckUtils]: 30: Hoare triple {1438#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {1438#false} is VALID [2020-07-28 19:05:29,351 INFO L280 TraceCheckUtils]: 31: Hoare triple {1438#false} assume 0 == ~switchedOnBeforeTS~0; {1438#false} is VALID [2020-07-28 19:05:29,351 INFO L280 TraceCheckUtils]: 32: Hoare triple {1438#false} assume !false; {1438#false} is VALID [2020-07-28 19:05:29,353 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 19:05:29,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453645752] [2020-07-28 19:05:29,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:29,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:29,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82815178] [2020-07-28 19:05:29,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:29,354 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:29,354 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:29,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:29,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:29,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:29,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:29,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:29,392 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-07-28 19:05:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:30,044 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-07-28 19:05:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:05:30,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 19:05:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 19:05:30,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 164 transitions. [2020-07-28 19:05:30,241 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:30,244 INFO L225 Difference]: With dead ends: 157 [2020-07-28 19:05:30,247 INFO L226 Difference]: Without dead ends: 104 [2020-07-28 19:05:30,248 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 19:05:30,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-28 19:05:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-07-28 19:05:30,315 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:30,315 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 63 states. [2020-07-28 19:05:30,315 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 63 states. [2020-07-28 19:05:30,315 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 63 states. [2020-07-28 19:05:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:30,320 INFO L93 Difference]: Finished difference Result 104 states and 140 transitions. [2020-07-28 19:05:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2020-07-28 19:05:30,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:30,321 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:30,321 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 104 states. [2020-07-28 19:05:30,321 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 104 states. [2020-07-28 19:05:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:30,325 INFO L93 Difference]: Finished difference Result 104 states and 140 transitions. [2020-07-28 19:05:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2020-07-28 19:05:30,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:30,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:30,327 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:30,327 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-28 19:05:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-07-28 19:05:30,330 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-07-28 19:05:30,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:30,330 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-07-28 19:05:30,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-07-28 19:05:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:05:30,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:30,332 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] [2020-07-28 19:05:30,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:05:30,332 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:30,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:30,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2020-07-28 19:05:30,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:30,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971814751] [2020-07-28 19:05:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:30,430 INFO L280 TraceCheckUtils]: 0: Hoare triple {1963#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,431 INFO L280 TraceCheckUtils]: 1: Hoare triple {1965#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,432 INFO L280 TraceCheckUtils]: 2: Hoare triple {1965#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,433 INFO L280 TraceCheckUtils]: 3: Hoare triple {1965#(= 0 ~pumpRunning~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,433 INFO L280 TraceCheckUtils]: 4: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,434 INFO L280 TraceCheckUtils]: 5: Hoare triple {1965#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,435 INFO L280 TraceCheckUtils]: 6: Hoare triple {1965#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,435 INFO L280 TraceCheckUtils]: 7: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume !false; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,436 INFO L280 TraceCheckUtils]: 8: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,437 INFO L280 TraceCheckUtils]: 9: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,437 INFO L280 TraceCheckUtils]: 10: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,438 INFO L280 TraceCheckUtils]: 11: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,439 INFO L280 TraceCheckUtils]: 12: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,439 INFO L280 TraceCheckUtils]: 13: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,440 INFO L280 TraceCheckUtils]: 14: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,441 INFO L280 TraceCheckUtils]: 15: Hoare triple {1965#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,441 INFO L280 TraceCheckUtils]: 16: Hoare triple {1965#(= 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; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,442 INFO L280 TraceCheckUtils]: 17: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,443 INFO L280 TraceCheckUtils]: 18: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,443 INFO L280 TraceCheckUtils]: 19: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,444 INFO L280 TraceCheckUtils]: 20: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,445 INFO L280 TraceCheckUtils]: 21: Hoare triple {1965#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,445 INFO L280 TraceCheckUtils]: 22: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,446 INFO L280 TraceCheckUtils]: 23: Hoare triple {1965#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,447 INFO L280 TraceCheckUtils]: 24: Hoare triple {1965#(= 0 ~pumpRunning~0)} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,448 INFO L280 TraceCheckUtils]: 25: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment_~tmp~4); {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,448 INFO L280 TraceCheckUtils]: 26: Hoare triple {1965#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,449 INFO L280 TraceCheckUtils]: 27: Hoare triple {1965#(= 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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {1965#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:30,450 INFO L280 TraceCheckUtils]: 28: Hoare triple {1965#(= 0 ~pumpRunning~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1966#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:30,451 INFO L280 TraceCheckUtils]: 29: Hoare triple {1966#(= 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; {1967#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} is VALID [2020-07-28 19:05:30,451 INFO L280 TraceCheckUtils]: 30: Hoare triple {1967#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {1964#false} is VALID [2020-07-28 19:05:30,452 INFO L280 TraceCheckUtils]: 31: Hoare triple {1964#false} assume 0 == ~switchedOnBeforeTS~0; {1964#false} is VALID [2020-07-28 19:05:30,452 INFO L280 TraceCheckUtils]: 32: Hoare triple {1964#false} assume !false; {1964#false} is VALID [2020-07-28 19:05:30,454 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 19:05:30,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971814751] [2020-07-28 19:05:30,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:30,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:05:30,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032347064] [2020-07-28 19:05:30,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:30,455 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:30,456 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:30,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:30,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:30,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:30,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:30,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:30,505 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-07-28 19:05:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:31,289 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-07-28 19:05:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:05:31,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:31,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2020-07-28 19:05:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2020-07-28 19:05:31,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 253 transitions. [2020-07-28 19:05:31,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 253 edges. 253 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:31,593 INFO L225 Difference]: With dead ends: 216 [2020-07-28 19:05:31,593 INFO L226 Difference]: Without dead ends: 160 [2020-07-28 19:05:31,594 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 19:05:31,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-28 19:05:31,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-07-28 19:05:31,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:31,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:31,673 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:31,674 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:31,679 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2020-07-28 19:05:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2020-07-28 19:05:31,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:31,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:31,681 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 160 states. [2020-07-28 19:05:31,681 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 160 states. [2020-07-28 19:05:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:31,686 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2020-07-28 19:05:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2020-07-28 19:05:31,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:31,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:31,688 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:31,688 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-28 19:05:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-07-28 19:05:31,690 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-07-28 19:05:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:31,690 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-07-28 19:05:31,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-07-28 19:05:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:05:31,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:31,692 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] [2020-07-28 19:05:31,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:05:31,692 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:31,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2020-07-28 19:05:31,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:31,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852067226] [2020-07-28 19:05:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:31,777 INFO L280 TraceCheckUtils]: 0: Hoare triple {2684#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,778 INFO L280 TraceCheckUtils]: 1: Hoare triple {2686#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,778 INFO L280 TraceCheckUtils]: 2: Hoare triple {2686#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,779 INFO L280 TraceCheckUtils]: 3: Hoare triple {2686#(= 1 ~systemActive~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,780 INFO L280 TraceCheckUtils]: 4: Hoare triple {2686#(= 1 ~systemActive~0)} assume 0 != main_~tmp~6; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,780 INFO L280 TraceCheckUtils]: 5: Hoare triple {2686#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,781 INFO L280 TraceCheckUtils]: 6: Hoare triple {2686#(= 1 ~systemActive~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,782 INFO L280 TraceCheckUtils]: 7: Hoare triple {2686#(= 1 ~systemActive~0)} assume !false; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,782 INFO L280 TraceCheckUtils]: 8: Hoare triple {2686#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,783 INFO L280 TraceCheckUtils]: 9: Hoare triple {2686#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,784 INFO L280 TraceCheckUtils]: 10: Hoare triple {2686#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3); {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,784 INFO L280 TraceCheckUtils]: 11: Hoare triple {2686#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,785 INFO L280 TraceCheckUtils]: 12: Hoare triple {2686#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,785 INFO L280 TraceCheckUtils]: 13: Hoare triple {2686#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,786 INFO L280 TraceCheckUtils]: 14: Hoare triple {2686#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,787 INFO L280 TraceCheckUtils]: 15: Hoare triple {2686#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,787 INFO L280 TraceCheckUtils]: 16: Hoare triple {2686#(= 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; {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,788 INFO L280 TraceCheckUtils]: 17: Hoare triple {2686#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {2686#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:31,788 INFO L280 TraceCheckUtils]: 18: Hoare triple {2686#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {2684#true} is VALID [2020-07-28 19:05:31,789 INFO L280 TraceCheckUtils]: 19: Hoare triple {2684#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {2684#true} is VALID [2020-07-28 19:05:31,790 INFO L280 TraceCheckUtils]: 20: Hoare triple {2684#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {2687#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:05:31,790 INFO L280 TraceCheckUtils]: 21: Hoare triple {2687#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {2688#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))} is VALID [2020-07-28 19:05:31,791 INFO L280 TraceCheckUtils]: 22: Hoare triple {2688#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {2685#false} is VALID [2020-07-28 19:05:31,791 INFO L280 TraceCheckUtils]: 23: Hoare triple {2685#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {2685#false} is VALID [2020-07-28 19:05:31,792 INFO L280 TraceCheckUtils]: 24: Hoare triple {2685#false} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {2685#false} is VALID [2020-07-28 19:05:31,792 INFO L280 TraceCheckUtils]: 25: Hoare triple {2685#false} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {2685#false} is VALID [2020-07-28 19:05:31,792 INFO L280 TraceCheckUtils]: 26: Hoare triple {2685#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {2685#false} is VALID [2020-07-28 19:05:31,792 INFO L280 TraceCheckUtils]: 27: Hoare triple {2685#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {2685#false} is VALID [2020-07-28 19:05:31,792 INFO L280 TraceCheckUtils]: 28: Hoare triple {2685#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2685#false} is VALID [2020-07-28 19:05:31,793 INFO L280 TraceCheckUtils]: 29: Hoare triple {2685#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; {2685#false} is VALID [2020-07-28 19:05:31,793 INFO L280 TraceCheckUtils]: 30: Hoare triple {2685#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {2685#false} is VALID [2020-07-28 19:05:31,793 INFO L280 TraceCheckUtils]: 31: Hoare triple {2685#false} assume 0 == ~switchedOnBeforeTS~0; {2685#false} is VALID [2020-07-28 19:05:31,794 INFO L280 TraceCheckUtils]: 32: Hoare triple {2685#false} assume !false; {2685#false} is VALID [2020-07-28 19:05:31,795 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 19:05:31,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852067226] [2020-07-28 19:05:31,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:31,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:31,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441474173] [2020-07-28 19:05:31,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:31,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:31,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:31,839 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:31,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:31,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:31,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:31,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:31,841 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-07-28 19:05:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,416 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-07-28 19:05:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:05:32,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 162 transitions. [2020-07-28 19:05:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 162 transitions. [2020-07-28 19:05:32,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 162 transitions. [2020-07-28 19:05:32,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:32,640 INFO L225 Difference]: With dead ends: 164 [2020-07-28 19:05:32,640 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 19:05:32,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:05:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 19:05:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-07-28 19:05:32,740 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:32,741 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 64 states. [2020-07-28 19:05:32,741 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 64 states. [2020-07-28 19:05:32,741 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 64 states. [2020-07-28 19:05:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,746 INFO L93 Difference]: Finished difference Result 109 states and 144 transitions. [2020-07-28 19:05:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2020-07-28 19:05:32,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,746 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 109 states. [2020-07-28 19:05:32,746 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 109 states. [2020-07-28 19:05:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,750 INFO L93 Difference]: Finished difference Result 109 states and 144 transitions. [2020-07-28 19:05:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2020-07-28 19:05:32,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:32,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-28 19:05:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-07-28 19:05:32,754 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-07-28 19:05:32,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:32,754 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-07-28 19:05:32,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-07-28 19:05:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:05:32,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:32,755 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] [2020-07-28 19:05:32,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:05:32,756 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:32,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2020-07-28 19:05:32,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:32,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064741910] [2020-07-28 19:05:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:32,811 INFO L280 TraceCheckUtils]: 0: Hoare triple {3237#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {3239#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,812 INFO L280 TraceCheckUtils]: 2: Hoare triple {3239#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,813 INFO L280 TraceCheckUtils]: 3: Hoare triple {3239#(= 1 ~waterLevel~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,813 INFO L280 TraceCheckUtils]: 4: Hoare triple {3239#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,814 INFO L280 TraceCheckUtils]: 5: Hoare triple {3239#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,815 INFO L280 TraceCheckUtils]: 6: Hoare triple {3239#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,815 INFO L280 TraceCheckUtils]: 7: Hoare triple {3239#(= 1 ~waterLevel~0)} assume !false; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {3239#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,817 INFO L280 TraceCheckUtils]: 9: Hoare triple {3239#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,817 INFO L280 TraceCheckUtils]: 10: Hoare triple {3239#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,818 INFO L280 TraceCheckUtils]: 11: Hoare triple {3239#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,818 INFO L280 TraceCheckUtils]: 12: Hoare triple {3239#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,819 INFO L280 TraceCheckUtils]: 13: Hoare triple {3239#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,820 INFO L280 TraceCheckUtils]: 14: Hoare triple {3239#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,820 INFO L280 TraceCheckUtils]: 15: Hoare triple {3239#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,821 INFO L280 TraceCheckUtils]: 16: Hoare triple {3239#(= 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; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,821 INFO L280 TraceCheckUtils]: 17: Hoare triple {3239#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,822 INFO L280 TraceCheckUtils]: 18: Hoare triple {3239#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,823 INFO L280 TraceCheckUtils]: 19: Hoare triple {3239#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {3239#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:32,823 INFO L280 TraceCheckUtils]: 20: Hoare triple {3239#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {3238#false} is VALID [2020-07-28 19:05:32,824 INFO L280 TraceCheckUtils]: 21: Hoare triple {3238#false} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {3238#false} is VALID [2020-07-28 19:05:32,824 INFO L280 TraceCheckUtils]: 22: Hoare triple {3238#false} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {3238#false} is VALID [2020-07-28 19:05:32,824 INFO L280 TraceCheckUtils]: 23: Hoare triple {3238#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {3238#false} is VALID [2020-07-28 19:05:32,824 INFO L280 TraceCheckUtils]: 24: Hoare triple {3238#false} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {3238#false} is VALID [2020-07-28 19:05:32,825 INFO L280 TraceCheckUtils]: 25: Hoare triple {3238#false} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {3238#false} is VALID [2020-07-28 19:05:32,825 INFO L280 TraceCheckUtils]: 26: Hoare triple {3238#false} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {3238#false} is VALID [2020-07-28 19:05:32,825 INFO L280 TraceCheckUtils]: 27: Hoare triple {3238#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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {3238#false} is VALID [2020-07-28 19:05:32,825 INFO L280 TraceCheckUtils]: 28: Hoare triple {3238#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3238#false} is VALID [2020-07-28 19:05:32,826 INFO L280 TraceCheckUtils]: 29: Hoare triple {3238#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; {3238#false} is VALID [2020-07-28 19:05:32,826 INFO L280 TraceCheckUtils]: 30: Hoare triple {3238#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {3238#false} is VALID [2020-07-28 19:05:32,826 INFO L280 TraceCheckUtils]: 31: Hoare triple {3238#false} assume 0 == ~switchedOnBeforeTS~0; {3238#false} is VALID [2020-07-28 19:05:32,827 INFO L280 TraceCheckUtils]: 32: Hoare triple {3238#false} assume !false; {3238#false} is VALID [2020-07-28 19:05:32,828 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 19:05:32,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064741910] [2020-07-28 19:05:32,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:32,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:32,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542566934] [2020-07-28 19:05:32,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:05:32,830 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:32,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:32,869 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:32,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:32,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:32,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:32,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:32,870 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-07-28 19:05:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,144 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-07-28 19:05:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:33,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:05:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 19:05:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 19:05:33,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 132 transitions. [2020-07-28 19:05:33,297 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 19:05:33,299 INFO L225 Difference]: With dead ends: 148 [2020-07-28 19:05:33,299 INFO L226 Difference]: Without dead ends: 91 [2020-07-28 19:05:33,302 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 19:05:33,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-28 19:05:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-28 19:05:33,461 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:33,461 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 91 states. [2020-07-28 19:05:33,461 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:05:33,462 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:05:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,465 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2020-07-28 19:05:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-07-28 19:05:33,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,466 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:05:33,466 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:05:33,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,469 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2020-07-28 19:05:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-07-28 19:05:33,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,470 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:33,470 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-28 19:05:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-07-28 19:05:33,473 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-07-28 19:05:33,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:33,474 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-07-28 19:05:33,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-07-28 19:05:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 19:05:33,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:33,475 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] [2020-07-28 19:05:33,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:05:33,475 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:33,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:33,476 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2020-07-28 19:05:33,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:33,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897763689] [2020-07-28 19:05:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:33,597 INFO L280 TraceCheckUtils]: 0: Hoare triple {3759#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,598 INFO L280 TraceCheckUtils]: 1: Hoare triple {3761#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,599 INFO L280 TraceCheckUtils]: 2: Hoare triple {3761#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,600 INFO L280 TraceCheckUtils]: 3: Hoare triple {3761#(= 1 ~waterLevel~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,601 INFO L280 TraceCheckUtils]: 4: Hoare triple {3761#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,601 INFO L280 TraceCheckUtils]: 5: Hoare triple {3761#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,602 INFO L280 TraceCheckUtils]: 6: Hoare triple {3761#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,602 INFO L280 TraceCheckUtils]: 7: Hoare triple {3761#(= 1 ~waterLevel~0)} assume !false; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,603 INFO L280 TraceCheckUtils]: 8: Hoare triple {3761#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,603 INFO L280 TraceCheckUtils]: 9: Hoare triple {3761#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,604 INFO L280 TraceCheckUtils]: 10: Hoare triple {3761#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~3; {3761#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:33,605 INFO L280 TraceCheckUtils]: 11: Hoare triple {3761#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,605 INFO L280 TraceCheckUtils]: 12: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,606 INFO L280 TraceCheckUtils]: 13: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != test_~tmp___0~0); {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,607 INFO L280 TraceCheckUtils]: 14: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,607 INFO L280 TraceCheckUtils]: 15: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != test_~tmp___2~0; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,608 INFO L280 TraceCheckUtils]: 16: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,608 INFO L280 TraceCheckUtils]: 17: Hoare triple {3762#(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; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,609 INFO L280 TraceCheckUtils]: 18: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != ~pumpRunning~0); {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,610 INFO L280 TraceCheckUtils]: 19: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,611 INFO L280 TraceCheckUtils]: 20: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,612 INFO L280 TraceCheckUtils]: 21: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,612 INFO L280 TraceCheckUtils]: 22: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,613 INFO L280 TraceCheckUtils]: 23: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,614 INFO L280 TraceCheckUtils]: 24: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,615 INFO L280 TraceCheckUtils]: 25: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,616 INFO L280 TraceCheckUtils]: 26: Hoare triple {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {3762#(and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))} is VALID [2020-07-28 19:05:33,617 INFO L280 TraceCheckUtils]: 27: Hoare triple {3762#(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~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {3763#(and (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:05:33,618 INFO L280 TraceCheckUtils]: 28: Hoare triple {3763#(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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {3764#(and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))} is VALID [2020-07-28 19:05:33,622 INFO L280 TraceCheckUtils]: 29: Hoare triple {3764#(and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3760#false} is VALID [2020-07-28 19:05:33,622 INFO L280 TraceCheckUtils]: 30: Hoare triple {3760#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; {3760#false} is VALID [2020-07-28 19:05:33,622 INFO L280 TraceCheckUtils]: 31: Hoare triple {3760#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {3760#false} is VALID [2020-07-28 19:05:33,623 INFO L280 TraceCheckUtils]: 32: Hoare triple {3760#false} assume 0 == ~switchedOnBeforeTS~0; {3760#false} is VALID [2020-07-28 19:05:33,623 INFO L280 TraceCheckUtils]: 33: Hoare triple {3760#false} assume !false; {3760#false} is VALID [2020-07-28 19:05:33,626 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 19:05:33,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897763689] [2020-07-28 19:05:33,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:33,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:33,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531090876] [2020-07-28 19:05:33,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-28 19:05:33,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:33,628 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:05:33,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:33,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:05:33,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:33,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:05:33,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:05:33,694 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2020-07-28 19:05:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,386 INFO L93 Difference]: Finished difference Result 430 states and 583 transitions. [2020-07-28 19:05:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 19:05:35,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-28 19:05:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 315 transitions. [2020-07-28 19:05:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 315 transitions. [2020-07-28 19:05:35,395 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 315 transitions. [2020-07-28 19:05:35,776 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 315 edges. 315 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,786 INFO L225 Difference]: With dead ends: 430 [2020-07-28 19:05:35,787 INFO L226 Difference]: Without dead ends: 373 [2020-07-28 19:05:35,787 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 19:05:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-07-28 19:05:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 160. [2020-07-28 19:05:36,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:36,096 INFO L82 GeneralOperation]: Start isEquivalent. First operand 373 states. Second operand 160 states. [2020-07-28 19:05:36,096 INFO L74 IsIncluded]: Start isIncluded. First operand 373 states. Second operand 160 states. [2020-07-28 19:05:36,097 INFO L87 Difference]: Start difference. First operand 373 states. Second operand 160 states. [2020-07-28 19:05:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,113 INFO L93 Difference]: Finished difference Result 373 states and 486 transitions. [2020-07-28 19:05:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 486 transitions. [2020-07-28 19:05:36,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,114 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 373 states. [2020-07-28 19:05:36,114 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 373 states. [2020-07-28 19:05:36,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,139 INFO L93 Difference]: Finished difference Result 373 states and 486 transitions. [2020-07-28 19:05:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 486 transitions. [2020-07-28 19:05:36,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,140 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:36,141 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-28 19:05:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2020-07-28 19:05:36,145 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 34 [2020-07-28 19:05:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:36,145 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2020-07-28 19:05:36,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:05:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2020-07-28 19:05:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:05:36,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:36,146 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] [2020-07-28 19:05:36,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:05:36,147 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:36,147 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2020-07-28 19:05:36,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:36,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437048217] [2020-07-28 19:05:36,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,263 INFO L280 TraceCheckUtils]: 0: Hoare triple {5350#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,264 INFO L280 TraceCheckUtils]: 1: Hoare triple {5350#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {5350#true} is VALID [2020-07-28 19:05:36,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {5350#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {5350#true} is VALID [2020-07-28 19:05:36,264 INFO L280 TraceCheckUtils]: 3: Hoare triple {5350#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {5350#true} is VALID [2020-07-28 19:05:36,264 INFO L280 TraceCheckUtils]: 4: Hoare triple {5350#true} assume 0 != main_~tmp~6; {5350#true} is VALID [2020-07-28 19:05:36,264 INFO L280 TraceCheckUtils]: 5: Hoare triple {5350#true} ~switchedOnBeforeTS~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,265 INFO L280 TraceCheckUtils]: 6: Hoare triple {5350#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,265 INFO L280 TraceCheckUtils]: 7: Hoare triple {5350#true} assume !false; {5350#true} is VALID [2020-07-28 19:05:36,265 INFO L280 TraceCheckUtils]: 8: Hoare triple {5350#true} assume test_~splverifierCounter~0 < 4; {5350#true} is VALID [2020-07-28 19:05:36,265 INFO L280 TraceCheckUtils]: 9: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {5350#true} is VALID [2020-07-28 19:05:36,265 INFO L280 TraceCheckUtils]: 10: Hoare triple {5350#true} assume 0 != test_~tmp~3; {5350#true} is VALID [2020-07-28 19:05:36,266 INFO L280 TraceCheckUtils]: 11: Hoare triple {5350#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5350#true} is VALID [2020-07-28 19:05:36,266 INFO L280 TraceCheckUtils]: 12: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {5350#true} is VALID [2020-07-28 19:05:36,266 INFO L280 TraceCheckUtils]: 13: Hoare triple {5350#true} assume !(0 != test_~tmp___0~0); {5350#true} is VALID [2020-07-28 19:05:36,267 INFO L280 TraceCheckUtils]: 14: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5350#true} is VALID [2020-07-28 19:05:36,267 INFO L280 TraceCheckUtils]: 15: Hoare triple {5350#true} assume 0 != test_~tmp___2~0; {5350#true} is VALID [2020-07-28 19:05:36,267 INFO L280 TraceCheckUtils]: 16: Hoare triple {5350#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5350#true} is VALID [2020-07-28 19:05:36,267 INFO L280 TraceCheckUtils]: 17: Hoare triple {5350#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; {5350#true} is VALID [2020-07-28 19:05:36,268 INFO L280 TraceCheckUtils]: 18: Hoare triple {5350#true} assume !(0 != ~pumpRunning~0); {5350#true} is VALID [2020-07-28 19:05:36,268 INFO L280 TraceCheckUtils]: 19: Hoare triple {5350#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {5350#true} is VALID [2020-07-28 19:05:36,268 INFO L280 TraceCheckUtils]: 20: Hoare triple {5350#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {5350#true} is VALID [2020-07-28 19:05:36,269 INFO L280 TraceCheckUtils]: 21: Hoare triple {5350#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {5350#true} is VALID [2020-07-28 19:05:36,269 INFO L280 TraceCheckUtils]: 22: Hoare triple {5350#true} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {5350#true} is VALID [2020-07-28 19:05:36,269 INFO L280 TraceCheckUtils]: 23: Hoare triple {5350#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {5350#true} is VALID [2020-07-28 19:05:36,269 INFO L280 TraceCheckUtils]: 24: Hoare triple {5350#true} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {5350#true} is VALID [2020-07-28 19:05:36,269 INFO L280 TraceCheckUtils]: 25: Hoare triple {5350#true} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {5350#true} is VALID [2020-07-28 19:05:36,270 INFO L280 TraceCheckUtils]: 26: Hoare triple {5350#true} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,271 INFO L280 TraceCheckUtils]: 27: Hoare triple {5352#(= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,272 INFO L280 TraceCheckUtils]: 28: Hoare triple {5352#(= 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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,273 INFO L280 TraceCheckUtils]: 29: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,273 INFO L280 TraceCheckUtils]: 30: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume !false; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,274 INFO L280 TraceCheckUtils]: 31: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,275 INFO L280 TraceCheckUtils]: 32: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,275 INFO L280 TraceCheckUtils]: 33: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,276 INFO L280 TraceCheckUtils]: 34: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,277 INFO L280 TraceCheckUtils]: 35: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,277 INFO L280 TraceCheckUtils]: 36: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,278 INFO L280 TraceCheckUtils]: 37: Hoare triple {5352#(= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {5352#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,279 INFO L280 TraceCheckUtils]: 38: Hoare triple {5352#(= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5353#(= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:36,280 INFO L280 TraceCheckUtils]: 39: Hoare triple {5353#(= 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; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,280 INFO L280 TraceCheckUtils]: 40: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume 0 != ~pumpRunning~0; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,281 INFO L280 TraceCheckUtils]: 41: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,282 INFO L280 TraceCheckUtils]: 42: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,283 INFO L280 TraceCheckUtils]: 43: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume !(0 == ~pumpRunning~0); {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,283 INFO L280 TraceCheckUtils]: 44: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,284 INFO L280 TraceCheckUtils]: 45: Hoare triple {5354#(= 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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,285 INFO L280 TraceCheckUtils]: 46: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,285 INFO L280 TraceCheckUtils]: 47: Hoare triple {5354#(= 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; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,286 INFO L280 TraceCheckUtils]: 48: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {5354#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,287 INFO L280 TraceCheckUtils]: 49: Hoare triple {5354#(= 1 ~switchedOnBeforeTS~0)} assume 0 == ~switchedOnBeforeTS~0; {5351#false} is VALID [2020-07-28 19:05:36,287 INFO L280 TraceCheckUtils]: 50: Hoare triple {5351#false} assume !false; {5351#false} is VALID [2020-07-28 19:05:36,290 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 19:05:36,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437048217] [2020-07-28 19:05:36,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981752379] [2020-07-28 19:05:36,291 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 19:05:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:05:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:05:36,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {5350#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,646 INFO L280 TraceCheckUtils]: 1: Hoare triple {5350#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {5350#true} is VALID [2020-07-28 19:05:36,646 INFO L280 TraceCheckUtils]: 2: Hoare triple {5350#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {5350#true} is VALID [2020-07-28 19:05:36,646 INFO L280 TraceCheckUtils]: 3: Hoare triple {5350#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 4: Hoare triple {5350#true} assume 0 != main_~tmp~6; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 5: Hoare triple {5350#true} ~switchedOnBeforeTS~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 6: Hoare triple {5350#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 7: Hoare triple {5350#true} assume !false; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 8: Hoare triple {5350#true} assume test_~splverifierCounter~0 < 4; {5350#true} is VALID [2020-07-28 19:05:36,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {5350#true} is VALID [2020-07-28 19:05:36,648 INFO L280 TraceCheckUtils]: 10: Hoare triple {5350#true} assume 0 != test_~tmp~3; {5350#true} is VALID [2020-07-28 19:05:36,648 INFO L280 TraceCheckUtils]: 11: Hoare triple {5350#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5350#true} is VALID [2020-07-28 19:05:36,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {5350#true} is VALID [2020-07-28 19:05:36,649 INFO L280 TraceCheckUtils]: 13: Hoare triple {5350#true} assume !(0 != test_~tmp___0~0); {5350#true} is VALID [2020-07-28 19:05:36,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {5350#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5350#true} is VALID [2020-07-28 19:05:36,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {5350#true} assume 0 != test_~tmp___2~0; {5350#true} is VALID [2020-07-28 19:05:36,649 INFO L280 TraceCheckUtils]: 16: Hoare triple {5350#true} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5350#true} is VALID [2020-07-28 19:05:36,649 INFO L280 TraceCheckUtils]: 17: Hoare triple {5350#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; {5350#true} is VALID [2020-07-28 19:05:36,650 INFO L280 TraceCheckUtils]: 18: Hoare triple {5350#true} assume !(0 != ~pumpRunning~0); {5350#true} is VALID [2020-07-28 19:05:36,650 INFO L280 TraceCheckUtils]: 19: Hoare triple {5350#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {5350#true} is VALID [2020-07-28 19:05:36,650 INFO L280 TraceCheckUtils]: 20: Hoare triple {5350#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret57, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {5350#true} is VALID [2020-07-28 19:05:36,651 INFO L280 TraceCheckUtils]: 21: Hoare triple {5350#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {5350#true} is VALID [2020-07-28 19:05:36,651 INFO L280 TraceCheckUtils]: 22: Hoare triple {5350#true} isHighWaterLevel_#t~ret57 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret57 && isHighWaterLevel_#t~ret57 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret57;havoc isHighWaterLevel_#t~ret57; {5350#true} is VALID [2020-07-28 19:05:36,651 INFO L280 TraceCheckUtils]: 23: Hoare triple {5350#true} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {5350#true} is VALID [2020-07-28 19:05:36,651 INFO L280 TraceCheckUtils]: 24: Hoare triple {5350#true} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {5350#true} is VALID [2020-07-28 19:05:36,651 INFO L280 TraceCheckUtils]: 25: Hoare triple {5350#true} processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret39 && processEnvironment_#t~ret39 <= 2147483647;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; {5350#true} is VALID [2020-07-28 19:05:36,652 INFO L280 TraceCheckUtils]: 26: Hoare triple {5350#true} assume 0 != processEnvironment_~tmp~4;~pumpRunning~0 := 1; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,653 INFO L280 TraceCheckUtils]: 27: Hoare triple {5436#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,654 INFO L280 TraceCheckUtils]: 28: Hoare triple {5436#(<= 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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,654 INFO L280 TraceCheckUtils]: 29: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,655 INFO L280 TraceCheckUtils]: 30: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume !false; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,656 INFO L280 TraceCheckUtils]: 31: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,656 INFO L280 TraceCheckUtils]: 32: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,657 INFO L280 TraceCheckUtils]: 33: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,658 INFO L280 TraceCheckUtils]: 34: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,658 INFO L280 TraceCheckUtils]: 35: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,659 INFO L280 TraceCheckUtils]: 36: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,660 INFO L280 TraceCheckUtils]: 37: Hoare triple {5436#(<= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {5436#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:36,660 INFO L280 TraceCheckUtils]: 38: Hoare triple {5436#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5473#(<= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:36,661 INFO L280 TraceCheckUtils]: 39: Hoare triple {5473#(<= 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; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,662 INFO L280 TraceCheckUtils]: 40: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~pumpRunning~0; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,663 INFO L280 TraceCheckUtils]: 41: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,663 INFO L280 TraceCheckUtils]: 42: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,664 INFO L280 TraceCheckUtils]: 43: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume !(0 == ~pumpRunning~0); {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,664 INFO L280 TraceCheckUtils]: 44: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,665 INFO L280 TraceCheckUtils]: 45: Hoare triple {5477#(<= 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~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,666 INFO L280 TraceCheckUtils]: 46: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,666 INFO L280 TraceCheckUtils]: 47: Hoare triple {5477#(<= 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; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,667 INFO L280 TraceCheckUtils]: 48: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {5477#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:36,668 INFO L280 TraceCheckUtils]: 49: Hoare triple {5477#(<= 1 ~switchedOnBeforeTS~0)} assume 0 == ~switchedOnBeforeTS~0; {5351#false} is VALID [2020-07-28 19:05:36,668 INFO L280 TraceCheckUtils]: 50: Hoare triple {5351#false} assume !false; {5351#false} is VALID [2020-07-28 19:05:36,671 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 19:05:36,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:05:36,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-28 19:05:36,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502157822] [2020-07-28 19:05:36,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-28 19:05:36,673 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:36,673 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:05:36,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:05:36,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:36,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:05:36,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:05:36,761 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 8 states. [2020-07-28 19:05:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:37,846 INFO L93 Difference]: Finished difference Result 287 states and 382 transitions. [2020-07-28 19:05:37,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:05:37,846 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-28 19:05:37,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:05:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2020-07-28 19:05:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:05:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2020-07-28 19:05:37,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 145 transitions. [2020-07-28 19:05:38,013 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:38,013 INFO L225 Difference]: With dead ends: 287 [2020-07-28 19:05:38,013 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:38,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:05:38,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:38,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:38,015 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:38,015 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:38,015 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:38,015 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:38,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,015 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:38,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,016 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:38,016 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,016 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:38,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,017 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:38,017 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:38,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-07-28 19:05:38,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:38,019 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:38,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:05:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:38,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:05:38,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:38,776 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2020-07-28 19:05:39,066 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-07-28 19:05:39,457 INFO L264 CegarLoopResult]: At program point L580-3(lines 575 583) the Hoare annotation is: false [2020-07-28 19:05:39,457 INFO L264 CegarLoopResult]: At program point L580-4(lines 575 583) the Hoare annotation is: false [2020-07-28 19:05:39,457 INFO L264 CegarLoopResult]: At program point L580-5(lines 575 583) the Hoare annotation is: false [2020-07-28 19:05:39,458 INFO L264 CegarLoopResult]: At program point L861(lines 856 864) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ULTIMATE.start_processEnvironment_~tmp~4)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse6 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse7 .cse8 .cse6 .cse1) (and .cse0 .cse7 (= 1 ~waterLevel~0) .cse8 .cse1))) [2020-07-28 19:05:39,458 INFO L264 CegarLoopResult]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2020-07-28 19:05:39,458 INFO L264 CegarLoopResult]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2020-07-28 19:05:39,458 INFO L268 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-07-28 19:05:39,458 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,458 INFO L271 CegarLoopResult]: At program point L762-1(lines 762 769) the Hoare annotation is: true [2020-07-28 19:05:39,458 INFO L268 CegarLoopResult]: For program point L531(lines 531 539) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point L531-1(lines 531 539) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point L531-2(lines 531 539) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2020-07-28 19:05:39,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:39,460 INFO L264 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: false [2020-07-28 19:05:39,460 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-07-28 19:05:39,460 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-07-28 19:05:39,460 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,461 INFO L268 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-07-28 19:05:39,461 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,461 INFO L268 CegarLoopResult]: For program point L780-2(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,461 INFO L268 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2020-07-28 19:05:39,462 INFO L264 CegarLoopResult]: At program point L896(lines 495 501) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 .cse2 .cse3 (= 1 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse2 .cse3 .cse1))) [2020-07-28 19:05:39,462 INFO L264 CegarLoopResult]: At program point L896-1(lines 495 501) the Hoare annotation is: false [2020-07-28 19:05:39,462 INFO L264 CegarLoopResult]: At program point L896-2(lines 495 501) the Hoare annotation is: false [2020-07-28 19:05:39,462 INFO L264 CegarLoopResult]: At program point L665(lines 1 927) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:39,462 INFO L264 CegarLoopResult]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ULTIMATE.start_processEnvironment_~tmp~4)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6 .cse1) (and .cse3 .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 (= 1 ~waterLevel~0) .cse6 .cse1))) [2020-07-28 19:05:39,463 INFO L264 CegarLoopResult]: At program point L502-1(lines 502 508) the Hoare annotation is: false [2020-07-28 19:05:39,463 INFO L264 CegarLoopResult]: At program point L502-2(lines 502 508) the Hoare annotation is: false [2020-07-28 19:05:39,463 INFO L268 CegarLoopResult]: For program point L816(lines 816 820) no Hoare annotation was computed. [2020-07-28 19:05:39,463 INFO L264 CegarLoopResult]: At program point L635(lines 620 638) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) .cse1 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:05:39,464 INFO L264 CegarLoopResult]: At program point L635-1(lines 620 638) the Hoare annotation is: false [2020-07-28 19:05:39,464 INFO L264 CegarLoopResult]: At program point L635-2(lines 620 638) the Hoare annotation is: false [2020-07-28 19:05:39,464 INFO L268 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2020-07-28 19:05:39,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:39,464 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-28 19:05:39,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,465 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-07-28 19:05:39,465 INFO L268 CegarLoopResult]: For program point L456-2(lines 450 461) no Hoare annotation was computed. [2020-07-28 19:05:39,465 INFO L268 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-07-28 19:05:39,465 INFO L268 CegarLoopResult]: For program point L869-1(lines 869 875) no Hoare annotation was computed. [2020-07-28 19:05:39,466 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2020-07-28 19:05:39,466 INFO L264 CegarLoopResult]: At program point L737(lines 733 739) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:39,466 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-28 19:05:39,467 INFO L264 CegarLoopResult]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:39,467 INFO L264 CegarLoopResult]: At program point L886(lines 881 888) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:39,467 INFO L268 CegarLoopResult]: For program point L804(lines 804 808) no Hoare annotation was computed. [2020-07-28 19:05:39,467 INFO L271 CegarLoopResult]: At program point L771(lines 752 774) the Hoare annotation is: true [2020-07-28 19:05:39,468 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:39,468 INFO L264 CegarLoopResult]: At program point L689-2(lines 689 703) the Hoare annotation is: false [2020-07-28 19:05:39,468 INFO L264 CegarLoopResult]: At program point L673(lines 668 676) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:39,468 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-28 19:05:39,468 INFO L268 CegarLoopResult]: For program point L527(lines 527 544) no Hoare annotation was computed. [2020-07-28 19:05:39,469 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 544) no Hoare annotation was computed. [2020-07-28 19:05:39,469 INFO L268 CegarLoopResult]: For program point L527-2(lines 527 544) no Hoare annotation was computed. [2020-07-28 19:05:39,469 INFO L268 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-07-28 19:05:39,469 INFO L264 CegarLoopResult]: At program point L874(lines 865 878) 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 19:05:39,470 INFO L264 CegarLoopResult]: At program point L907-1(lines 1 927) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse6 .cse7 .cse8 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse6 .cse9 .cse7 .cse8 .cse1) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:39,470 INFO L264 CegarLoopResult]: At program point L874-1(lines 865 878) the Hoare annotation is: false [2020-07-28 19:05:39,470 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2020-07-28 19:05:39,470 INFO L264 CegarLoopResult]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2020-07-28 19:05:39,470 INFO L264 CegarLoopResult]: At program point L874-2(lines 865 878) the Hoare annotation is: false [2020-07-28 19:05:39,471 INFO L268 CegarLoopResult]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2020-07-28 19:05:39,471 INFO L264 CegarLoopResult]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2020-07-28 19:05:39,471 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:39,471 INFO L268 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-07-28 19:05:39,471 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-28 19:05:39,472 INFO L268 CegarLoopResult]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2020-07-28 19:05:39,472 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-28 19:05:39,472 INFO L268 CegarLoopResult]: For program point L693-1(lines 693 697) no Hoare annotation was computed. [2020-07-28 19:05:39,472 INFO L268 CegarLoopResult]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2020-07-28 19:05:39,472 INFO L264 CegarLoopResult]: At program point L495(lines 491 513) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse2 .cse1) (and .cse0 .cse2 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:39,473 INFO L264 CegarLoopResult]: At program point L495-1(lines 491 513) the Hoare annotation is: false [2020-07-28 19:05:39,473 INFO L264 CegarLoopResult]: At program point L495-2(lines 491 513) the Hoare annotation is: false [2020-07-28 19:05:39,473 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-28 19:05:39,473 INFO L264 CegarLoopResult]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:39,474 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,475 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,475 INFO L268 CegarLoopResult]: For program point L629-3(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,476 INFO L268 CegarLoopResult]: For program point L629-5(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,476 INFO L268 CegarLoopResult]: For program point L629-6(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,476 INFO L268 CegarLoopResult]: For program point L629-8(lines 629 633) no Hoare annotation was computed. [2020-07-28 19:05:39,476 INFO L264 CegarLoopResult]: At program point L580(lines 575 583) the Hoare annotation is: (let ((.cse1 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 (= 1 ~waterLevel~0) .cse2) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse7 .cse4 .cse5 .cse2))) [2020-07-28 19:05:39,477 INFO L264 CegarLoopResult]: At program point L580-1(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 0 ULTIMATE.start_processEnvironment_~tmp~4) .cse1))) [2020-07-28 19:05:39,477 INFO L264 CegarLoopResult]: At program point L580-2(lines 575 583) the Hoare annotation is: false [2020-07-28 19:05:39,482 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:39,483 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:39,484 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:05:39,484 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:05:39,484 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:05:39,486 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:39,487 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:05:39,487 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:39,487 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:05:39,487 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 19:05:39,487 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L792-3 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L792-3 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L792-3 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:05:39,488 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L869-1 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L869-1 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L907-2 has no Hoare annotation [2020-07-28 19:05:39,489 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L629-3 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L907-2 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L907-2 has no Hoare annotation [2020-07-28 19:05:39,490 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L629-3 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L629-3 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L911-2 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L456-2 has no Hoare annotation [2020-07-28 19:05:39,491 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 19:05:39,492 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 19:05:39,492 WARN L170 areAnnotationChecker]: L629-5 has no Hoare annotation [2020-07-28 19:05:39,492 WARN L170 areAnnotationChecker]: L911-2 has no Hoare annotation [2020-07-28 19:05:39,492 WARN L170 areAnnotationChecker]: L911-2 has no Hoare annotation [2020-07-28 19:05:39,492 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-28 19:05:39,493 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation [2020-07-28 19:05:39,494 WARN L170 areAnnotationChecker]: L912-2 has no Hoare annotation [2020-07-28 19:05:39,494 WARN L170 areAnnotationChecker]: L912-2 has no Hoare annotation [2020-07-28 19:05:39,494 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-28 19:05:39,494 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 19:05:39,495 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation [2020-07-28 19:05:39,495 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L780-1 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L780-1 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 19:05:39,496 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 19:05:39,498 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-28 19:05:39,498 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 19:05:39,498 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L869 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L869 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L792-6 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L792-6 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L792-6 has no Hoare annotation [2020-07-28 19:05:39,500 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L629-2 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L869-2 has no Hoare annotation [2020-07-28 19:05:39,501 WARN L170 areAnnotationChecker]: L869-2 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L907-4 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L629-6 has no Hoare annotation [2020-07-28 19:05:39,502 WARN L170 areAnnotationChecker]: L907-4 has no Hoare annotation [2020-07-28 19:05:39,503 WARN L170 areAnnotationChecker]: L907-4 has no Hoare annotation [2020-07-28 19:05:39,503 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-28 19:05:39,503 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-28 19:05:39,503 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-28 19:05:39,503 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L629-6 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L629-6 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L911-4 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L629-8 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L911-4 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L911-4 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L531-2 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L912-4 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L912-4 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L531-2 has no Hoare annotation [2020-07-28 19:05:39,504 WARN L170 areAnnotationChecker]: L531-2 has no Hoare annotation [2020-07-28 19:05:39,505 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-28 19:05:39,505 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-28 19:05:39,505 INFO L163 areAnnotationChecker]: CFG has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:39,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:39 BoogieIcfgContainer [2020-07-28 19:05:39,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:39,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:39,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:39,538 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:39,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:26" (3/4) ... [2020-07-28 19:05:39,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:39,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:39,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:39,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:39,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:39,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:39,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:39,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:39,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && tmp <= 2) && waterLevel <= 2) && 2 <= tmp) && 2 <= \result) && 1 == systemActive) && 1 == pumpRunning)) || ((((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && tmp <= 2) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= tmp) && 2 <= \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:39,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:39,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:39,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == \result) && 1 == systemActive) && 1 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:39,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:39,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:39,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) [2020-07-28 19:05:39,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 == pumpRunning)) || (((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) [2020-07-28 19:05:39,608 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 19:05:39,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) [2020-07-28 19:05:39,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:39,665 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:39,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:39,668 INFO L168 Benchmark]: Toolchain (without parser) took 15949.65 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -62.4 MB). Peak memory consumption was 304.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,669 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:39,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,670 INFO L168 Benchmark]: Boogie Preprocessor took 43.40 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 19:05:39,670 INFO L168 Benchmark]: RCFGBuilder took 1573.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.8 MB in the end (delta: 154.0 MB). Peak memory consumption was 154.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,671 INFO L168 Benchmark]: TraceAbstraction took 13445.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,671 INFO L168 Benchmark]: Witness Printer took 128.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:39,674 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1573.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.8 MB in the end (delta: 154.0 MB). Peak memory consumption was 154.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13445.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. * Witness Printer took 128.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: 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: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 2 <= \result) && 1 == systemActive) && 1 == pumpRunning)) || (((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == \result) && 1 == systemActive) && 1 == pumpRunning)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: 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: 1]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && tmp <= 2) && waterLevel <= 2) && 2 <= tmp) && 2 <= \result) && 1 == systemActive) && 1 == pumpRunning)) || ((((((((2 <= waterLevel && \result <= 2) && 0 == splverifierCounter) && tmp <= 2) && waterLevel <= 2) && 0 == pumpRunning) && 2 <= tmp) && 2 <= \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 782 SDtfs, 880 SDslu, 1102 SDs, 0 SdLazy, 181 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred 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: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 399 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 699 HoareAnnotationTreeSize, 37 FomulaSimplifications, 19830 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 574 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 27761 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...