./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product32.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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:03:20,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:20,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:20,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:20,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:20,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:20,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:20,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:20,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:20,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:20,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:20,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:20,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:20,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:20,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:20,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:20,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:20,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:20,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:20,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:20,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:20,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:20,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:20,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:20,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:20,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:20,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:20,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:20,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:20,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:20,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:20,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:20,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:20,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:20,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:20,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:20,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:20,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:20,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:20,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:20,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:20,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:20,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:20,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:20,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:20,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:20,438 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:20,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:20,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:20,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:20,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:20,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:20,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:20,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:20,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:20,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:20,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:20,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:20,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:20,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:20,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:20,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:20,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:20,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:20,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:20,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:20,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:20,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:20,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:20,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:20,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:20,443 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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2020-07-28 19:03:20,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:20,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:20,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:20,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:20,796 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:20,797 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2020-07-28 19:03:20,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597beab07/616d8a0181364c2a95619abdd3248f7e/FLAGbe1c5639d [2020-07-28 19:03:21,453 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:21,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2020-07-28 19:03:21,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597beab07/616d8a0181364c2a95619abdd3248f7e/FLAGbe1c5639d [2020-07-28 19:03:21,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597beab07/616d8a0181364c2a95619abdd3248f7e [2020-07-28 19:03:21,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:21,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:21,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:21,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:21,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:21,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:21" (1/1) ... [2020-07-28 19:03:21,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1569f8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:21, skipping insertion in model container [2020-07-28 19:03:21,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:21" (1/1) ... [2020-07-28 19:03:21,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:21,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:22,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:22,321 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:22,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:22,445 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:22,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22 WrapperNode [2020-07-28 19:03:22,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:22,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:22,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:22,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:22,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:22,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:22,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:22,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:22,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (1/1) ... [2020-07-28 19:03:22,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:22,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:22,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:22,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:22,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (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 19:03:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:24,248 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:24,248 INFO L295 CfgBuilder]: Removed 162 assume(true) statements. [2020-07-28 19:03:24,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:24 BoogieIcfgContainer [2020-07-28 19:03:24,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:24,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:24,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:24,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:24,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:21" (1/3) ... [2020-07-28 19:03:24,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88fb108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:24, skipping insertion in model container [2020-07-28 19:03:24,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:22" (2/3) ... [2020-07-28 19:03:24,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88fb108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:24, skipping insertion in model container [2020-07-28 19:03:24,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:24" (3/3) ... [2020-07-28 19:03:24,265 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-07-28 19:03:24,276 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:24,285 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:24,300 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:24,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:24,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:24,323 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:24,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:24,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:24,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:24,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:24,325 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-07-28 19:03:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:24,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:24,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:24,354 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:24,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:24,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2020-07-28 19:03:24,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:24,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267097874] [2020-07-28 19:03:24,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:24,656 INFO L280 TraceCheckUtils]: 0: Hoare triple {110#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {110#true} is VALID [2020-07-28 19:03:24,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {110#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {110#true} is VALID [2020-07-28 19:03:24,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {110#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {110#true} is VALID [2020-07-28 19:03:24,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {110#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {110#true} is VALID [2020-07-28 19:03:24,658 INFO L280 TraceCheckUtils]: 4: Hoare triple {110#true} assume 0 != main_~tmp~1; {110#true} is VALID [2020-07-28 19:03:24,659 INFO L280 TraceCheckUtils]: 5: Hoare triple {110#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {110#true} is VALID [2020-07-28 19:03:24,660 INFO L280 TraceCheckUtils]: 6: Hoare triple {110#true} assume !true; {111#false} is VALID [2020-07-28 19:03:24,661 INFO L280 TraceCheckUtils]: 7: Hoare triple {111#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {111#false} is VALID [2020-07-28 19:03:24,661 INFO L280 TraceCheckUtils]: 8: Hoare triple {111#false} assume !(0 != ~pumpRunning~0); {111#false} is VALID [2020-07-28 19:03:24,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {111#false} assume !(0 != ~systemActive~0); {111#false} is VALID [2020-07-28 19:03:24,662 INFO L280 TraceCheckUtils]: 10: Hoare triple {111#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {111#false} is VALID [2020-07-28 19:03:24,662 INFO L280 TraceCheckUtils]: 11: Hoare triple {111#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {111#false} is VALID [2020-07-28 19:03:24,663 INFO L280 TraceCheckUtils]: 12: Hoare triple {111#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {111#false} is VALID [2020-07-28 19:03:24,663 INFO L280 TraceCheckUtils]: 13: Hoare triple {111#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {111#false} is VALID [2020-07-28 19:03:24,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {111#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {111#false} is VALID [2020-07-28 19:03:24,664 INFO L280 TraceCheckUtils]: 15: Hoare triple {111#false} assume !false; {111#false} is VALID [2020-07-28 19:03:24,668 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 19:03:24,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267097874] [2020-07-28 19:03:24,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:24,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:24,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599551498] [2020-07-28 19:03:24,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:24,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:24,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:24,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:24,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:24,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:24,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:24,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:24,737 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-07-28 19:03:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,029 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2020-07-28 19:03:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:25,029 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:25,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 311 transitions. [2020-07-28 19:03:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 311 transitions. [2020-07-28 19:03:25,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 311 transitions. [2020-07-28 19:03:25,445 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 311 edges. 311 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:25,462 INFO L225 Difference]: With dead ends: 208 [2020-07-28 19:03:25,463 INFO L226 Difference]: Without dead ends: 103 [2020-07-28 19:03:25,467 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 19:03:25,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-28 19:03:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-07-28 19:03:25,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:25,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 103 states. Second operand 103 states. [2020-07-28 19:03:25,534 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 103 states. [2020-07-28 19:03:25,534 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 103 states. [2020-07-28 19:03:25,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,542 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-07-28 19:03:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-07-28 19:03:25,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:25,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:25,545 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 103 states. [2020-07-28 19:03:25,545 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 103 states. [2020-07-28 19:03:25,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,553 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-07-28 19:03:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-07-28 19:03:25,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:25,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:25,555 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:25,555 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-28 19:03:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-07-28 19:03:25,563 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-07-28 19:03:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:25,564 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-07-28 19:03:25,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-07-28 19:03:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:25,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:25,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:25,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:25,567 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:25,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:25,567 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2020-07-28 19:03:25,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:25,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049391060] [2020-07-28 19:03:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:25,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {758#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {758#true} is VALID [2020-07-28 19:03:25,696 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {758#true} is VALID [2020-07-28 19:03:25,696 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {758#true} is VALID [2020-07-28 19:03:25,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {758#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {758#true} is VALID [2020-07-28 19:03:25,697 INFO L280 TraceCheckUtils]: 4: Hoare triple {758#true} assume 0 != main_~tmp~1; {758#true} is VALID [2020-07-28 19:03:25,703 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {760#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:25,704 INFO L280 TraceCheckUtils]: 6: Hoare triple {760#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {760#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:25,705 INFO L280 TraceCheckUtils]: 7: Hoare triple {760#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {759#false} is VALID [2020-07-28 19:03:25,705 INFO L280 TraceCheckUtils]: 8: Hoare triple {759#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {759#false} is VALID [2020-07-28 19:03:25,706 INFO L280 TraceCheckUtils]: 9: Hoare triple {759#false} assume !(0 != ~pumpRunning~0); {759#false} is VALID [2020-07-28 19:03:25,706 INFO L280 TraceCheckUtils]: 10: Hoare triple {759#false} assume !(0 != ~systemActive~0); {759#false} is VALID [2020-07-28 19:03:25,706 INFO L280 TraceCheckUtils]: 11: Hoare triple {759#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {759#false} is VALID [2020-07-28 19:03:25,707 INFO L280 TraceCheckUtils]: 12: Hoare triple {759#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {759#false} is VALID [2020-07-28 19:03:25,708 INFO L280 TraceCheckUtils]: 13: Hoare triple {759#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {759#false} is VALID [2020-07-28 19:03:25,708 INFO L280 TraceCheckUtils]: 14: Hoare triple {759#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {759#false} is VALID [2020-07-28 19:03:25,709 INFO L280 TraceCheckUtils]: 15: Hoare triple {759#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {759#false} is VALID [2020-07-28 19:03:25,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {759#false} assume !false; {759#false} is VALID [2020-07-28 19:03:25,712 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 19:03:25,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049391060] [2020-07-28 19:03:25,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:25,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:25,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134232942] [2020-07-28 19:03:25,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:25,743 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:25,744 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:25,773 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:25,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:25,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:25,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:25,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:25,775 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-07-28 19:03:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,984 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-07-28 19:03:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:25,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2020-07-28 19:03:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2020-07-28 19:03:25,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 147 transitions. [2020-07-28 19:03:26,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:26,161 INFO L225 Difference]: With dead ends: 103 [2020-07-28 19:03:26,161 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 19:03:26,162 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 19:03:26,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 19:03:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 19:03:26,181 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:26,181 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 19:03:26,181 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:03:26,181 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:03:26,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:26,184 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:03:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:03:26,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:26,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:26,185 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:03:26,185 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:03:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:26,188 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:03:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:03:26,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:26,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:26,189 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:26,189 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 19:03:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-07-28 19:03:26,191 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-07-28 19:03:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:26,191 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-07-28 19:03:26,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:03:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:26,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:26,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:26,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:26,193 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:26,194 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2020-07-28 19:03:26,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:26,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668251442] [2020-07-28 19:03:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:26,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {1061#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1061#true} is VALID [2020-07-28 19:03:26,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {1061#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {1061#true} is VALID [2020-07-28 19:03:26,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {1061#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1061#true} is VALID [2020-07-28 19:03:26,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {1061#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {1061#true} is VALID [2020-07-28 19:03:26,285 INFO L280 TraceCheckUtils]: 4: Hoare triple {1061#true} assume 0 != main_~tmp~1; {1061#true} is VALID [2020-07-28 19:03:26,285 INFO L280 TraceCheckUtils]: 5: Hoare triple {1061#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1061#true} is VALID [2020-07-28 19:03:26,286 INFO L280 TraceCheckUtils]: 6: Hoare triple {1061#true} assume !false; {1061#true} is VALID [2020-07-28 19:03:26,286 INFO L280 TraceCheckUtils]: 7: Hoare triple {1061#true} assume test_~splverifierCounter~0 < 4; {1061#true} is VALID [2020-07-28 19:03:26,286 INFO L280 TraceCheckUtils]: 8: Hoare triple {1061#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {1061#true} is VALID [2020-07-28 19:03:26,287 INFO L280 TraceCheckUtils]: 9: Hoare triple {1061#true} assume !(0 != test_~tmp~9); {1061#true} is VALID [2020-07-28 19:03:26,287 INFO L280 TraceCheckUtils]: 10: Hoare triple {1061#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {1061#true} is VALID [2020-07-28 19:03:26,287 INFO L280 TraceCheckUtils]: 11: Hoare triple {1061#true} assume !(0 != test_~tmp___0~2); {1061#true} is VALID [2020-07-28 19:03:26,288 INFO L280 TraceCheckUtils]: 12: Hoare triple {1061#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {1061#true} is VALID [2020-07-28 19:03:26,288 INFO L280 TraceCheckUtils]: 13: Hoare triple {1061#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1063#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:26,289 INFO L280 TraceCheckUtils]: 14: Hoare triple {1063#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1063#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:26,290 INFO L280 TraceCheckUtils]: 15: Hoare triple {1063#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1062#false} is VALID [2020-07-28 19:03:26,291 INFO L280 TraceCheckUtils]: 16: Hoare triple {1062#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1062#false} is VALID [2020-07-28 19:03:26,291 INFO L280 TraceCheckUtils]: 17: Hoare triple {1062#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {1062#false} is VALID [2020-07-28 19:03:26,291 INFO L280 TraceCheckUtils]: 18: Hoare triple {1062#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1062#false} is VALID [2020-07-28 19:03:26,291 INFO L280 TraceCheckUtils]: 19: Hoare triple {1062#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1062#false} is VALID [2020-07-28 19:03:26,292 INFO L280 TraceCheckUtils]: 20: Hoare triple {1062#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1062#false} is VALID [2020-07-28 19:03:26,292 INFO L280 TraceCheckUtils]: 21: Hoare triple {1062#false} assume !false; {1062#false} is VALID [2020-07-28 19:03:26,294 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 19:03:26,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668251442] [2020-07-28 19:03:26,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:26,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:26,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654303774] [2020-07-28 19:03:26,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:26,295 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:26,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:26,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:26,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:26,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:26,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:26,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:26,328 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-07-28 19:03:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:26,576 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-07-28 19:03:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:26,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:26,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-28 19:03:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-28 19:03:26,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 180 transitions. [2020-07-28 19:03:26,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:26,799 INFO L225 Difference]: With dead ends: 123 [2020-07-28 19:03:26,799 INFO L226 Difference]: Without dead ends: 84 [2020-07-28 19:03:26,803 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 19:03:26,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-28 19:03:26,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-07-28 19:03:26,855 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:26,856 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 80 states. [2020-07-28 19:03:26,856 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 80 states. [2020-07-28 19:03:26,856 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 80 states. [2020-07-28 19:03:26,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:26,860 INFO L93 Difference]: Finished difference Result 84 states and 121 transitions. [2020-07-28 19:03:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-07-28 19:03:26,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:26,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:26,861 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 84 states. [2020-07-28 19:03:26,862 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 84 states. [2020-07-28 19:03:26,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:26,866 INFO L93 Difference]: Finished difference Result 84 states and 121 transitions. [2020-07-28 19:03:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-07-28 19:03:26,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:26,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:26,867 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:26,867 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:03:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-07-28 19:03:26,870 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-07-28 19:03:26,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:26,871 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-07-28 19:03:26,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-07-28 19:03:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:26,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:26,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:26,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:26,872 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2020-07-28 19:03:26,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:26,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660058656] [2020-07-28 19:03:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:27,030 INFO L280 TraceCheckUtils]: 0: Hoare triple {1517#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,031 INFO L280 TraceCheckUtils]: 1: Hoare triple {1519#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {1519#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,032 INFO L280 TraceCheckUtils]: 3: Hoare triple {1519#(= 1 ~waterLevel~0)} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,033 INFO L280 TraceCheckUtils]: 4: Hoare triple {1519#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {1519#(= 1 ~waterLevel~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,036 INFO L280 TraceCheckUtils]: 6: Hoare triple {1519#(= 1 ~waterLevel~0)} assume !false; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,037 INFO L280 TraceCheckUtils]: 7: Hoare triple {1519#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,038 INFO L280 TraceCheckUtils]: 8: Hoare triple {1519#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,038 INFO L280 TraceCheckUtils]: 9: Hoare triple {1519#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~9); {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,039 INFO L280 TraceCheckUtils]: 10: Hoare triple {1519#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,040 INFO L280 TraceCheckUtils]: 11: Hoare triple {1519#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,040 INFO L280 TraceCheckUtils]: 12: Hoare triple {1519#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {1519#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:27,041 INFO L280 TraceCheckUtils]: 13: Hoare triple {1519#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1520#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:27,042 INFO L280 TraceCheckUtils]: 14: Hoare triple {1520#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1520#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:27,043 INFO L280 TraceCheckUtils]: 15: Hoare triple {1520#(= ~waterLevel~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1521#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:27,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {1521#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {1521#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:27,044 INFO L280 TraceCheckUtils]: 17: Hoare triple {1521#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {1521#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:27,045 INFO L280 TraceCheckUtils]: 18: Hoare triple {1521#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1522#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:27,046 INFO L280 TraceCheckUtils]: 19: Hoare triple {1522#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {1523#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0))} is VALID [2020-07-28 19:03:27,047 INFO L280 TraceCheckUtils]: 20: Hoare triple {1523#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1518#false} is VALID [2020-07-28 19:03:27,047 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1518#false} is VALID [2020-07-28 19:03:27,047 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1518#false} is VALID [2020-07-28 19:03:27,048 INFO L280 TraceCheckUtils]: 23: Hoare triple {1518#false} assume !false; {1518#false} is VALID [2020-07-28 19:03:27,049 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 19:03:27,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660058656] [2020-07-28 19:03:27,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:27,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:03:27,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251717866] [2020-07-28 19:03:27,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-07-28 19:03:27,050 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:27,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:03:27,085 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:27,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:03:27,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:27,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:03:27,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:27,086 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2020-07-28 19:03:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:28,850 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2020-07-28 19:03:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-28 19:03:28,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-07-28 19:03:28,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 547 transitions. [2020-07-28 19:03:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 547 transitions. [2020-07-28 19:03:28,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 547 transitions. [2020-07-28 19:03:29,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 547 edges. 547 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:29,590 INFO L225 Difference]: With dead ends: 571 [2020-07-28 19:03:29,590 INFO L226 Difference]: Without dead ends: 497 [2020-07-28 19:03:29,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:03:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-07-28 19:03:29,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2020-07-28 19:03:29,859 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:29,859 INFO L82 GeneralOperation]: Start isEquivalent. First operand 497 states. Second operand 214 states. [2020-07-28 19:03:29,859 INFO L74 IsIncluded]: Start isIncluded. First operand 497 states. Second operand 214 states. [2020-07-28 19:03:29,859 INFO L87 Difference]: Start difference. First operand 497 states. Second operand 214 states. [2020-07-28 19:03:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:29,885 INFO L93 Difference]: Finished difference Result 497 states and 748 transitions. [2020-07-28 19:03:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 748 transitions. [2020-07-28 19:03:29,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:29,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:29,887 INFO L74 IsIncluded]: Start isIncluded. First operand 214 states. Second operand 497 states. [2020-07-28 19:03:29,887 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 497 states. [2020-07-28 19:03:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:29,913 INFO L93 Difference]: Finished difference Result 497 states and 748 transitions. [2020-07-28 19:03:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 748 transitions. [2020-07-28 19:03:29,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:29,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:29,915 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:29,915 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-28 19:03:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2020-07-28 19:03:29,924 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2020-07-28 19:03:29,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:29,925 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2020-07-28 19:03:29,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:03:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2020-07-28 19:03:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:03:29,926 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:29,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:29,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:29,927 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:29,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:29,927 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2020-07-28 19:03:29,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:29,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776588725] [2020-07-28 19:03:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:29,995 INFO L280 TraceCheckUtils]: 0: Hoare triple {3641#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {3643#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,997 INFO L280 TraceCheckUtils]: 2: Hoare triple {3643#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,998 INFO L280 TraceCheckUtils]: 3: Hoare triple {3643#(= 0 ~pumpRunning~0)} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,998 INFO L280 TraceCheckUtils]: 4: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,999 INFO L280 TraceCheckUtils]: 5: Hoare triple {3643#(= 0 ~pumpRunning~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:29,999 INFO L280 TraceCheckUtils]: 6: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume !false; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,001 INFO L280 TraceCheckUtils]: 9: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~9); {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,002 INFO L280 TraceCheckUtils]: 10: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,003 INFO L280 TraceCheckUtils]: 11: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,003 INFO L280 TraceCheckUtils]: 12: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,004 INFO L280 TraceCheckUtils]: 13: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3643#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:30,004 INFO L280 TraceCheckUtils]: 14: Hoare triple {3643#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {3642#false} is VALID [2020-07-28 19:03:30,005 INFO L280 TraceCheckUtils]: 15: Hoare triple {3642#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {3642#false} is VALID [2020-07-28 19:03:30,005 INFO L280 TraceCheckUtils]: 16: Hoare triple {3642#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {3642#false} is VALID [2020-07-28 19:03:30,005 INFO L280 TraceCheckUtils]: 17: Hoare triple {3642#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {3642#false} is VALID [2020-07-28 19:03:30,006 INFO L280 TraceCheckUtils]: 18: Hoare triple {3642#false} assume !(0 != ~pumpRunning~0); {3642#false} is VALID [2020-07-28 19:03:30,006 INFO L280 TraceCheckUtils]: 19: Hoare triple {3642#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {3642#false} is VALID [2020-07-28 19:03:30,006 INFO L280 TraceCheckUtils]: 20: Hoare triple {3642#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {3642#false} is VALID [2020-07-28 19:03:30,006 INFO L280 TraceCheckUtils]: 21: Hoare triple {3642#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {3642#false} is VALID [2020-07-28 19:03:30,007 INFO L280 TraceCheckUtils]: 22: Hoare triple {3642#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {3642#false} is VALID [2020-07-28 19:03:30,007 INFO L280 TraceCheckUtils]: 23: Hoare triple {3642#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {3642#false} is VALID [2020-07-28 19:03:30,007 INFO L280 TraceCheckUtils]: 24: Hoare triple {3642#false} assume !false; {3642#false} is VALID [2020-07-28 19:03:30,008 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 19:03:30,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776588725] [2020-07-28 19:03:30,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:30,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:30,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192398751] [2020-07-28 19:03:30,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:03:30,010 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:30,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:30,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:30,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:30,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:30,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:30,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:30,049 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2020-07-28 19:03:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:30,330 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2020-07-28 19:03:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:30,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:03:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 19:03:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 19:03:30,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 100 transitions. [2020-07-28 19:03:30,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:30,457 INFO L225 Difference]: With dead ends: 332 [2020-07-28 19:03:30,457 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 19:03:30,458 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 19:03:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 19:03:30,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-28 19:03:30,658 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:30,658 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 124 states. [2020-07-28 19:03:30,658 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 19:03:30,658 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 19:03:30,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:30,662 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2020-07-28 19:03:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2020-07-28 19:03:30,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:30,662 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:30,662 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 19:03:30,663 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 19:03:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:30,665 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2020-07-28 19:03:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2020-07-28 19:03:30,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:30,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:30,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:30,666 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-28 19:03:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2020-07-28 19:03:30,669 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2020-07-28 19:03:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:30,670 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2020-07-28 19:03:30,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2020-07-28 19:03:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-28 19:03:30,671 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:30,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:30,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:30,672 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:30,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2020-07-28 19:03:30,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:30,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703176479] [2020-07-28 19:03:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:30,743 INFO L280 TraceCheckUtils]: 0: Hoare triple {4533#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {4535#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {4535#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,745 INFO L280 TraceCheckUtils]: 3: Hoare triple {4535#(= 1 ~waterLevel~0)} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,746 INFO L280 TraceCheckUtils]: 4: Hoare triple {4535#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,747 INFO L280 TraceCheckUtils]: 5: Hoare triple {4535#(= 1 ~waterLevel~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,747 INFO L280 TraceCheckUtils]: 6: Hoare triple {4535#(= 1 ~waterLevel~0)} assume !false; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,748 INFO L280 TraceCheckUtils]: 7: Hoare triple {4535#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,748 INFO L280 TraceCheckUtils]: 8: Hoare triple {4535#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,749 INFO L280 TraceCheckUtils]: 9: Hoare triple {4535#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~9; {4535#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,749 INFO L280 TraceCheckUtils]: 10: Hoare triple {4535#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,750 INFO L280 TraceCheckUtils]: 11: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,751 INFO L280 TraceCheckUtils]: 12: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,751 INFO L280 TraceCheckUtils]: 13: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,752 INFO L280 TraceCheckUtils]: 14: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,752 INFO L280 TraceCheckUtils]: 15: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,753 INFO L280 TraceCheckUtils]: 16: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,753 INFO L280 TraceCheckUtils]: 17: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,754 INFO L280 TraceCheckUtils]: 18: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,754 INFO L280 TraceCheckUtils]: 19: Hoare triple {4536#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,755 INFO L280 TraceCheckUtils]: 20: Hoare triple {4536#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,755 INFO L280 TraceCheckUtils]: 21: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,756 INFO L280 TraceCheckUtils]: 22: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !false; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,757 INFO L280 TraceCheckUtils]: 23: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,757 INFO L280 TraceCheckUtils]: 24: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,758 INFO L280 TraceCheckUtils]: 25: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~9; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:30,758 INFO L280 TraceCheckUtils]: 26: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4534#false} is VALID [2020-07-28 19:03:30,759 INFO L280 TraceCheckUtils]: 27: Hoare triple {4534#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {4534#false} is VALID [2020-07-28 19:03:30,759 INFO L280 TraceCheckUtils]: 28: Hoare triple {4534#false} assume !(0 != test_~tmp___0~2); {4534#false} is VALID [2020-07-28 19:03:30,759 INFO L280 TraceCheckUtils]: 29: Hoare triple {4534#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {4534#false} is VALID [2020-07-28 19:03:30,759 INFO L280 TraceCheckUtils]: 30: Hoare triple {4534#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4534#false} is VALID [2020-07-28 19:03:30,760 INFO L280 TraceCheckUtils]: 31: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0); {4534#false} is VALID [2020-07-28 19:03:30,760 INFO L280 TraceCheckUtils]: 32: Hoare triple {4534#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4534#false} is VALID [2020-07-28 19:03:30,760 INFO L280 TraceCheckUtils]: 33: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {4534#false} is VALID [2020-07-28 19:03:30,760 INFO L280 TraceCheckUtils]: 34: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0); {4534#false} is VALID [2020-07-28 19:03:30,761 INFO L280 TraceCheckUtils]: 35: Hoare triple {4534#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4534#false} is VALID [2020-07-28 19:03:30,761 INFO L280 TraceCheckUtils]: 36: Hoare triple {4534#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {4534#false} is VALID [2020-07-28 19:03:30,761 INFO L280 TraceCheckUtils]: 37: Hoare triple {4534#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {4534#false} is VALID [2020-07-28 19:03:30,761 INFO L280 TraceCheckUtils]: 38: Hoare triple {4534#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {4534#false} is VALID [2020-07-28 19:03:30,761 INFO L280 TraceCheckUtils]: 39: Hoare triple {4534#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4534#false} is VALID [2020-07-28 19:03:30,762 INFO L280 TraceCheckUtils]: 40: Hoare triple {4534#false} assume !false; {4534#false} is VALID [2020-07-28 19:03:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:30,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703176479] [2020-07-28 19:03:30,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421991637] [2020-07-28 19:03:30,765 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 19:03:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:30,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:03:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:30,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:03:31,105 INFO L280 TraceCheckUtils]: 0: Hoare triple {4533#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,107 INFO L280 TraceCheckUtils]: 1: Hoare triple {4540#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,109 INFO L280 TraceCheckUtils]: 2: Hoare triple {4540#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,110 INFO L280 TraceCheckUtils]: 3: Hoare triple {4540#(<= 1 ~waterLevel~0)} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,111 INFO L280 TraceCheckUtils]: 4: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,112 INFO L280 TraceCheckUtils]: 5: Hoare triple {4540#(<= 1 ~waterLevel~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,113 INFO L280 TraceCheckUtils]: 6: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume !false; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,113 INFO L280 TraceCheckUtils]: 7: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,114 INFO L280 TraceCheckUtils]: 8: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,115 INFO L280 TraceCheckUtils]: 9: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~9; {4540#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,116 INFO L280 TraceCheckUtils]: 10: Hoare triple {4540#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,117 INFO L280 TraceCheckUtils]: 11: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,118 INFO L280 TraceCheckUtils]: 13: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,119 INFO L280 TraceCheckUtils]: 14: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,120 INFO L280 TraceCheckUtils]: 15: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,121 INFO L280 TraceCheckUtils]: 16: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,121 INFO L280 TraceCheckUtils]: 17: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,122 INFO L280 TraceCheckUtils]: 18: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,123 INFO L280 TraceCheckUtils]: 19: Hoare triple {4536#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,124 INFO L280 TraceCheckUtils]: 20: Hoare triple {4536#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,124 INFO L280 TraceCheckUtils]: 21: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,125 INFO L280 TraceCheckUtils]: 22: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume !false; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,126 INFO L280 TraceCheckUtils]: 23: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,126 INFO L280 TraceCheckUtils]: 24: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,127 INFO L280 TraceCheckUtils]: 25: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~9; {4536#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:31,128 INFO L280 TraceCheckUtils]: 26: Hoare triple {4536#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4534#false} is VALID [2020-07-28 19:03:31,128 INFO L280 TraceCheckUtils]: 27: Hoare triple {4534#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {4534#false} is VALID [2020-07-28 19:03:31,129 INFO L280 TraceCheckUtils]: 28: Hoare triple {4534#false} assume !(0 != test_~tmp___0~2); {4534#false} is VALID [2020-07-28 19:03:31,129 INFO L280 TraceCheckUtils]: 29: Hoare triple {4534#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {4534#false} is VALID [2020-07-28 19:03:31,129 INFO L280 TraceCheckUtils]: 30: Hoare triple {4534#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4534#false} is VALID [2020-07-28 19:03:31,131 INFO L280 TraceCheckUtils]: 31: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0); {4534#false} is VALID [2020-07-28 19:03:31,131 INFO L280 TraceCheckUtils]: 32: Hoare triple {4534#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4534#false} is VALID [2020-07-28 19:03:31,131 INFO L280 TraceCheckUtils]: 33: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {4534#false} is VALID [2020-07-28 19:03:31,131 INFO L280 TraceCheckUtils]: 34: Hoare triple {4534#false} assume !(0 != ~pumpRunning~0); {4534#false} is VALID [2020-07-28 19:03:31,132 INFO L280 TraceCheckUtils]: 35: Hoare triple {4534#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {4534#false} is VALID [2020-07-28 19:03:31,132 INFO L280 TraceCheckUtils]: 36: Hoare triple {4534#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {4534#false} is VALID [2020-07-28 19:03:31,132 INFO L280 TraceCheckUtils]: 37: Hoare triple {4534#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {4534#false} is VALID [2020-07-28 19:03:31,134 INFO L280 TraceCheckUtils]: 38: Hoare triple {4534#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {4534#false} is VALID [2020-07-28 19:03:31,134 INFO L280 TraceCheckUtils]: 39: Hoare triple {4534#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4534#false} is VALID [2020-07-28 19:03:31,134 INFO L280 TraceCheckUtils]: 40: Hoare triple {4534#false} assume !false; {4534#false} is VALID [2020-07-28 19:03:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:31,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:03:31,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-07-28 19:03:31,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065007095] [2020-07-28 19:03:31,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-28 19:03:31,142 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:31,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:31,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:31,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:31,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:31,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:31,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:31,202 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 4 states. [2020-07-28 19:03:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:31,635 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2020-07-28 19:03:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:03:31,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-28 19:03:31,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2020-07-28 19:03:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2020-07-28 19:03:31,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 91 transitions. [2020-07-28 19:03:31,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:31,744 INFO L225 Difference]: With dead ends: 162 [2020-07-28 19:03:31,744 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:31,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:31,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:31,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:31,745 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:31,746 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:31,746 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:31,746 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:31,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:31,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:31,747 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:31,747 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:31,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:31,747 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:31,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:31,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:31,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:31,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:31,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-07-28 19:03:31,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:31,749 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:31,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:03:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:31,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:31,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-28 19:03:31,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:32,684 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,684 INFO L264 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:32,684 INFO L268 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2020-07-28 19:03:32,685 INFO L264 CegarLoopResult]: At program point L928-1(lines 928 934) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)) .cse2) (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:32,685 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-28 19:03:32,685 INFO L271 CegarLoopResult]: At program point L203-1(lines 203 210) the Hoare annotation is: true [2020-07-28 19:03:32,685 INFO L268 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,685 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,685 INFO L268 CegarLoopResult]: For program point L864-3(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,686 INFO L268 CegarLoopResult]: For program point L864-5(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,686 INFO L268 CegarLoopResult]: For program point L864-6(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,686 INFO L268 CegarLoopResult]: For program point L864-8(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,686 INFO L268 CegarLoopResult]: For program point L864-9(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,686 INFO L268 CegarLoopResult]: For program point L864-11(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,687 INFO L268 CegarLoopResult]: For program point L864-12(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,687 INFO L268 CegarLoopResult]: For program point L864-14(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,687 INFO L268 CegarLoopResult]: For program point L864-15(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,687 INFO L268 CegarLoopResult]: For program point L864-17(lines 864 868) no Hoare annotation was computed. [2020-07-28 19:03:32,687 INFO L264 CegarLoopResult]: At program point L305(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,687 INFO L264 CegarLoopResult]: At program point L305-1(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,688 INFO L268 CegarLoopResult]: For program point L239(lines 239 243) no Hoare annotation was computed. [2020-07-28 19:03:32,688 INFO L264 CegarLoopResult]: At program point L305-2(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,688 INFO L264 CegarLoopResult]: At program point L305-3(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,688 INFO L264 CegarLoopResult]: At program point L305-4(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,688 INFO L264 CegarLoopResult]: At program point L305-5(lines 300 308) the Hoare annotation is: false [2020-07-28 19:03:32,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,688 INFO L264 CegarLoopResult]: At program point L870(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L870-1(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L870-2(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L870-3(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L870-4(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L870-5(lines 855 873) the Hoare annotation is: false [2020-07-28 19:03:32,689 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,689 INFO L268 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,689 INFO L268 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,689 INFO L268 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2020-07-28 19:03:32,689 INFO L264 CegarLoopResult]: At program point L806(lines 799 809) the Hoare annotation is: false [2020-07-28 19:03:32,690 INFO L264 CegarLoopResult]: At program point L806-1(lines 799 809) the Hoare annotation is: false [2020-07-28 19:03:32,690 INFO L264 CegarLoopResult]: At program point L806-2(lines 799 809) the Hoare annotation is: false [2020-07-28 19:03:32,690 INFO L271 CegarLoopResult]: At program point L212(lines 193 215) the Hoare annotation is: true [2020-07-28 19:03:32,690 INFO L264 CegarLoopResult]: At program point L179(lines 175 181) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:32,690 INFO L268 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2020-07-28 19:03:32,690 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:32,690 INFO L264 CegarLoopResult]: At program point L51-1(lines 1 965) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0))) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse4 (= 1 ~systemActive~0)))) [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L264 CegarLoopResult]: At program point L51-3(lines 1 965) the Hoare annotation is: false [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L264 CegarLoopResult]: At program point L51-5(lines 1 965) the Hoare annotation is: false [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L745-1(lines 745 762) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L745-2(lines 745 762) no Hoare annotation was computed. [2020-07-28 19:03:32,691 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L264 CegarLoopResult]: At program point L878-1(lines 878 884) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (let ((.cse2 (= 1 ~waterLevel~0))) (or (and .cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)) .cse2) (and .cse1 (= ~waterLevel~0 ~systemActive~0) .cse2)))) (and (<= 2 ~waterLevel~0) .cse1 .cse0))) [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L264 CegarLoopResult]: At program point L946-1(lines 687 693) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:32,692 INFO L268 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L264 CegarLoopResult]: At program point L815(lines 810 818) the Hoare annotation is: false [2020-07-28 19:03:32,693 INFO L264 CegarLoopResult]: At program point L815-1(lines 810 818) the Hoare annotation is: false [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L264 CegarLoopResult]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L749-1(lines 749 757) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,693 INFO L268 CegarLoopResult]: For program point L719-3(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,694 INFO L268 CegarLoopResult]: For program point L719-4(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,694 INFO L268 CegarLoopResult]: For program point L719-5(lines 719 736) no Hoare annotation was computed. [2020-07-28 19:03:32,694 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-07-28 19:03:32,694 INFO L264 CegarLoopResult]: At program point L918-1(lines 918 924) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)) .cse2) (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:32,694 INFO L264 CegarLoopResult]: At program point L687(lines 686 705) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:32,694 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-07-28 19:03:32,694 INFO L264 CegarLoopResult]: At program point L687-2(lines 686 705) the Hoare annotation is: false [2020-07-28 19:03:32,694 INFO L264 CegarLoopResult]: At program point L687-3(lines 686 705) the Hoare annotation is: false [2020-07-28 19:03:32,695 INFO L264 CegarLoopResult]: At program point L94(lines 1 965) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L264 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: false [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,695 INFO L268 CegarLoopResult]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,696 INFO L268 CegarLoopResult]: For program point L723-3(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,696 INFO L268 CegarLoopResult]: For program point L723-4(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,696 INFO L268 CegarLoopResult]: For program point L723-5(lines 723 731) no Hoare annotation was computed. [2020-07-28 19:03:32,696 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-28 19:03:32,696 INFO L264 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= 0 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0)))) [2020-07-28 19:03:32,696 INFO L264 CegarLoopResult]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2020-07-28 19:03:32,696 INFO L264 CegarLoopResult]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2020-07-28 19:03:32,696 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:32,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L264(lines 259 267) the Hoare annotation is: false [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2020-07-28 19:03:32,697 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-28 19:03:32,697 INFO L268 CegarLoopResult]: For program point L132-1(lines 687 693) no Hoare annotation was computed. [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: false [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:32,697 INFO L264 CegarLoopResult]: At program point L694-1(lines 694 700) the Hoare annotation is: false [2020-07-28 19:03:32,698 INFO L264 CegarLoopResult]: At program point L694-2(lines 694 700) the Hoare annotation is: false [2020-07-28 19:03:32,701 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:32,702 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:32,702 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:03:32,702 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:03:32,703 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-28 19:03:32,704 WARN L170 areAnnotationChecker]: L227-3 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L227-3 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L745-1 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L745-1 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L745-1 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L719-3 has no Hoare annotation [2020-07-28 19:03:32,705 WARN L170 areAnnotationChecker]: L719-3 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L928 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L749-1 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L864-9 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:03:32,706 WARN L170 areAnnotationChecker]: L749-1 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L749-1 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L864-9 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L864-9 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L719-2 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L719-2 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L864-11 has no Hoare annotation [2020-07-28 19:03:32,707 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:32,708 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:32,708 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 19:03:32,708 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L946 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L946 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L864-6 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L723-3 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 19:03:32,713 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 19:03:32,714 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 19:03:32,714 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 19:03:32,714 WARN L170 areAnnotationChecker]: L745 has no Hoare annotation [2020-07-28 19:03:32,714 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 19:03:32,714 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L864-6 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L864-6 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L723-3 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L723-3 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L745 has no Hoare annotation [2020-07-28 19:03:32,715 WARN L170 areAnnotationChecker]: L745 has no Hoare annotation [2020-07-28 19:03:32,717 WARN L170 areAnnotationChecker]: L864-8 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L723-2 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L227-6 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L227-6 has no Hoare annotation [2020-07-28 19:03:32,718 WARN L170 areAnnotationChecker]: L745-2 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L864-3 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L723-2 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L723-2 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L745-2 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L745-2 has no Hoare annotation [2020-07-28 19:03:32,719 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L864-3 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L864-3 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L719-5 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L719-5 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-28 19:03:32,720 WARN L170 areAnnotationChecker]: L864-5 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L749-2 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L864-15 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L723-1 has no Hoare annotation [2020-07-28 19:03:32,721 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L749-2 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L749-2 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L864-15 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L864-15 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-28 19:03:32,722 WARN L170 areAnnotationChecker]: L723-1 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L723-1 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L719-4 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L719-4 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L864-17 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L864-2 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L864-12 has no Hoare annotation [2020-07-28 19:03:32,723 WARN L170 areAnnotationChecker]: L723-5 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L864-12 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L864-12 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L723-5 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L723-5 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-28 19:03:32,724 WARN L170 areAnnotationChecker]: L864-14 has no Hoare annotation [2020-07-28 19:03:32,725 WARN L170 areAnnotationChecker]: L723-4 has no Hoare annotation [2020-07-28 19:03:32,725 WARN L170 areAnnotationChecker]: L723-4 has no Hoare annotation [2020-07-28 19:03:32,725 WARN L170 areAnnotationChecker]: L723-4 has no Hoare annotation [2020-07-28 19:03:32,725 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:32,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:32 BoogieIcfgContainer [2020-07-28 19:03:32,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:32,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:32,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:32,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:32,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:24" (3/4) ... [2020-07-28 19:03:32,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:32,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:32,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:32,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:32,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:32,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:32,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:32,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:32,811 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) || ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:03:32,811 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) [2020-07-28 19:03:32,812 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) [2020-07-28 19:03:32,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == pumpRunning && ((((0 == splverifierCounter && !(0 == \result)) && !(0 == tmp)) && 1 == waterLevel) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == waterLevel))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) [2020-07-28 19:03:32,814 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) || (((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) [2020-07-28 19:03:32,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:32,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:32,916 INFO L168 Benchmark]: Toolchain (without parser) took 11211.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.0 MB). Free memory was 958.9 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:32,916 INFO L168 Benchmark]: CDTParser took 1.03 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 19:03:32,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:32,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.11 ms. Allocated memory is still 1.1 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 19:03:32,917 INFO L168 Benchmark]: Boogie Preprocessor took 56.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:32,917 INFO L168 Benchmark]: RCFGBuilder took 1641.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.1 MB in the end (delta: 166.8 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:32,918 INFO L168 Benchmark]: TraceAbstraction took 8492.89 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.9 MB). Free memory was 920.4 MB in the beginning and 1.2 GB in the end (delta: -285.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:32,918 INFO L168 Benchmark]: Witness Printer took 163.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:32,921 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 1.03 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 740.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.11 ms. Allocated memory is still 1.1 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 56.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1641.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.1 MB in the end (delta: 166.8 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8492.89 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.9 MB). Free memory was 920.4 MB in the beginning and 1.2 GB in the end (delta: -285.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 163.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) || ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) || (((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (0 == pumpRunning && ((((0 == splverifierCounter && !(0 == \result)) && !(0 == tmp)) && 1 == waterLevel) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == waterLevel))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 462 SDtfs, 692 SDslu, 627 SDs, 0 SdLazy, 116 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 76 NumberOfFragments, 330 HoareAnnotationTreeSize, 44 FomulaSimplifications, 826 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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...