./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product52.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_product52.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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:03:52,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:52,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:52,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:52,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:52,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:52,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:52,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:52,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:52,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:52,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:52,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:52,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:52,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:52,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:52,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:52,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:52,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:52,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:52,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:52,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:52,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:52,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:52,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:52,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:52,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:52,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:52,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:52,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:52,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:52,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:52,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:52,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:52,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:52,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:52,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:52,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:52,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:52,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:52,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:52,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:52,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:52,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:52,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:52,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:52,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:52,338 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:52,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:52,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:52,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:52,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:52,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:52,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:52,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:52,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:52,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:52,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:52,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:52,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:52,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:52,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:52,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:52,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:52,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:52,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:52,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:52,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:52,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:52,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:52,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:52,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:52,343 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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2020-07-28 19:03:52,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:52,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:52,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:52,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:52,729 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:52,730 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-07-28 19:03:52,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2f83884/83edd461de9145e68f45dba88b5434da/FLAG9db5da9c1 [2020-07-28 19:03:53,395 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:53,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-07-28 19:03:53,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2f83884/83edd461de9145e68f45dba88b5434da/FLAG9db5da9c1 [2020-07-28 19:03:53,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2f83884/83edd461de9145e68f45dba88b5434da [2020-07-28 19:03:53,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:53,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:53,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:53,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:53,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:53,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:53" (1/1) ... [2020-07-28 19:03:53,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1032f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:53, skipping insertion in model container [2020-07-28 19:03:53,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:53" (1/1) ... [2020-07-28 19:03:53,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:53,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:54,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:54,289 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:54,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:54,472 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:54,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54 WrapperNode [2020-07-28 19:03:54,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:54,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:54,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:54,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:54,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:54,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:54,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:54,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:54,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:54,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:54,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:54,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (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 19:03:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:56,338 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:56,339 INFO L295 CfgBuilder]: Removed 162 assume(true) statements. [2020-07-28 19:03:56,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56 BoogieIcfgContainer [2020-07-28 19:03:56,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:56,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:56,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:56,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:56,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:53" (1/3) ... [2020-07-28 19:03:56,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a329113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:56, skipping insertion in model container [2020-07-28 19:03:56,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (2/3) ... [2020-07-28 19:03:56,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a329113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:56, skipping insertion in model container [2020-07-28 19:03:56,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56" (3/3) ... [2020-07-28 19:03:56,359 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-28 19:03:56,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:56,383 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:56,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:56,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:56,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:56,441 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:56,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:56,443 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:56,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:56,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:56,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-07-28 19:03:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:56,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:56,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:56,479 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:56,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:56,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2020-07-28 19:03:56,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:56,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308561286] [2020-07-28 19:03:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:56,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {122#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {122#true} is VALID [2020-07-28 19:03:56,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {122#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {122#true} is VALID [2020-07-28 19:03:56,849 INFO L280 TraceCheckUtils]: 2: Hoare triple {122#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {122#true} is VALID [2020-07-28 19:03:56,850 INFO L280 TraceCheckUtils]: 3: Hoare triple {122#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {122#true} is VALID [2020-07-28 19:03:56,850 INFO L280 TraceCheckUtils]: 4: Hoare triple {122#true} assume 0 != main_~tmp~8; {122#true} is VALID [2020-07-28 19:03:56,851 INFO L280 TraceCheckUtils]: 5: Hoare triple {122#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {122#true} is VALID [2020-07-28 19:03:56,853 INFO L280 TraceCheckUtils]: 6: Hoare triple {122#true} assume !true; {123#false} is VALID [2020-07-28 19:03:56,853 INFO L280 TraceCheckUtils]: 7: Hoare triple {123#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {123#false} is VALID [2020-07-28 19:03:56,854 INFO L280 TraceCheckUtils]: 8: Hoare triple {123#false} assume !(0 != ~pumpRunning~0); {123#false} is VALID [2020-07-28 19:03:56,854 INFO L280 TraceCheckUtils]: 9: Hoare triple {123#false} assume !(0 != ~systemActive~0); {123#false} is VALID [2020-07-28 19:03:56,855 INFO L280 TraceCheckUtils]: 10: Hoare triple {123#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {123#false} is VALID [2020-07-28 19:03:56,855 INFO L280 TraceCheckUtils]: 11: Hoare triple {123#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {123#false} is VALID [2020-07-28 19:03:56,855 INFO L280 TraceCheckUtils]: 12: Hoare triple {123#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {123#false} is VALID [2020-07-28 19:03:56,856 INFO L280 TraceCheckUtils]: 13: Hoare triple {123#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {123#false} is VALID [2020-07-28 19:03:56,856 INFO L280 TraceCheckUtils]: 14: Hoare triple {123#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {123#false} is VALID [2020-07-28 19:03:56,857 INFO L280 TraceCheckUtils]: 15: Hoare triple {123#false} assume !false; {123#false} is VALID [2020-07-28 19:03:56,861 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 19:03:56,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308561286] [2020-07-28 19:03:56,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:56,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:56,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141927418] [2020-07-28 19:03:56,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:56,873 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:56,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:56,920 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 19:03:56,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:56,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:56,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:56,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:56,935 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-07-28 19:03:57,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,276 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2020-07-28 19:03:57,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:57,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 19:03:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 19:03:57,300 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 353 transitions. [2020-07-28 19:03:57,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:57,780 INFO L225 Difference]: With dead ends: 232 [2020-07-28 19:03:57,784 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 19:03:57,791 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 19:03:57,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 19:03:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-28 19:03:57,862 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:57,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,863 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,864 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,873 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,875 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,875 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,884 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,886 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,886 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:57,886 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-28 19:03:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-07-28 19:03:57,895 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-07-28 19:03:57,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:57,896 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-07-28 19:03:57,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:57,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:57,898 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 19:03:57,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:57,899 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:57,899 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2020-07-28 19:03:57,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:57,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202546854] [2020-07-28 19:03:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:58,032 INFO L280 TraceCheckUtils]: 0: Hoare triple {830#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {830#true} is VALID [2020-07-28 19:03:58,032 INFO L280 TraceCheckUtils]: 1: Hoare triple {830#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {830#true} is VALID [2020-07-28 19:03:58,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {830#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {830#true} is VALID [2020-07-28 19:03:58,033 INFO L280 TraceCheckUtils]: 3: Hoare triple {830#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {830#true} is VALID [2020-07-28 19:03:58,033 INFO L280 TraceCheckUtils]: 4: Hoare triple {830#true} assume 0 != main_~tmp~8; {830#true} is VALID [2020-07-28 19:03:58,037 INFO L280 TraceCheckUtils]: 5: Hoare triple {830#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:58,038 INFO L280 TraceCheckUtils]: 6: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:58,038 INFO L280 TraceCheckUtils]: 7: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {831#false} is VALID [2020-07-28 19:03:58,039 INFO L280 TraceCheckUtils]: 8: Hoare triple {831#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {831#false} is VALID [2020-07-28 19:03:58,039 INFO L280 TraceCheckUtils]: 9: Hoare triple {831#false} assume !(0 != ~pumpRunning~0); {831#false} is VALID [2020-07-28 19:03:58,039 INFO L280 TraceCheckUtils]: 10: Hoare triple {831#false} assume !(0 != ~systemActive~0); {831#false} is VALID [2020-07-28 19:03:58,040 INFO L280 TraceCheckUtils]: 11: Hoare triple {831#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {831#false} is VALID [2020-07-28 19:03:58,040 INFO L280 TraceCheckUtils]: 12: Hoare triple {831#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {831#false} is VALID [2020-07-28 19:03:58,040 INFO L280 TraceCheckUtils]: 13: Hoare triple {831#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {831#false} is VALID [2020-07-28 19:03:58,040 INFO L280 TraceCheckUtils]: 14: Hoare triple {831#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {831#false} is VALID [2020-07-28 19:03:58,041 INFO L280 TraceCheckUtils]: 15: Hoare triple {831#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {831#false} is VALID [2020-07-28 19:03:58,041 INFO L280 TraceCheckUtils]: 16: Hoare triple {831#false} assume !false; {831#false} is VALID [2020-07-28 19:03:58,042 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 19:03:58,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202546854] [2020-07-28 19:03:58,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:58,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:58,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781752714] [2020-07-28 19:03:58,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:58,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:58,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:58,078 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 19:03:58,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:58,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:58,080 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-07-28 19:03:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,311 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:58,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:58,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:03:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:03:58,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-28 19:03:58,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:58,548 INFO L225 Difference]: With dead ends: 115 [2020-07-28 19:03:58,548 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 19:03:58,549 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 19:03:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 19:03:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-07-28 19:03:58,568 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:58,568 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,568 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,568 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,571 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:03:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,572 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,572 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,572 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,575 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:03:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:58,576 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-28 19:03:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-07-28 19:03:58,578 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-07-28 19:03:58,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:58,579 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-07-28 19:03:58,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:58,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:58,580 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 19:03:58,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:58,580 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:58,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:58,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2020-07-28 19:03:58,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:58,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420436220] [2020-07-28 19:03:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {1157#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1157#true} is VALID [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {1157#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {1157#true} is VALID [2020-07-28 19:03:58,718 INFO L280 TraceCheckUtils]: 2: Hoare triple {1157#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {1157#true} is VALID [2020-07-28 19:03:58,718 INFO L280 TraceCheckUtils]: 3: Hoare triple {1157#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {1157#true} is VALID [2020-07-28 19:03:58,718 INFO L280 TraceCheckUtils]: 4: Hoare triple {1157#true} assume 0 != main_~tmp~8; {1157#true} is VALID [2020-07-28 19:03:58,718 INFO L280 TraceCheckUtils]: 5: Hoare triple {1157#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1157#true} is VALID [2020-07-28 19:03:58,719 INFO L280 TraceCheckUtils]: 6: Hoare triple {1157#true} assume !false; {1157#true} is VALID [2020-07-28 19:03:58,719 INFO L280 TraceCheckUtils]: 7: Hoare triple {1157#true} assume test_~splverifierCounter~0 < 4; {1157#true} is VALID [2020-07-28 19:03:58,719 INFO L280 TraceCheckUtils]: 8: Hoare triple {1157#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {1157#true} is VALID [2020-07-28 19:03:58,720 INFO L280 TraceCheckUtils]: 9: Hoare triple {1157#true} assume !(0 != test_~tmp~4); {1157#true} is VALID [2020-07-28 19:03:58,720 INFO L280 TraceCheckUtils]: 10: Hoare triple {1157#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {1157#true} is VALID [2020-07-28 19:03:58,720 INFO L280 TraceCheckUtils]: 11: Hoare triple {1157#true} assume !(0 != test_~tmp___0~2); {1157#true} is VALID [2020-07-28 19:03:58,720 INFO L280 TraceCheckUtils]: 12: Hoare triple {1157#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1157#true} is VALID [2020-07-28 19:03:58,721 INFO L280 TraceCheckUtils]: 13: Hoare triple {1157#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:58,722 INFO L280 TraceCheckUtils]: 14: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:58,723 INFO L280 TraceCheckUtils]: 15: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1158#false} is VALID [2020-07-28 19:03:58,723 INFO L280 TraceCheckUtils]: 16: Hoare triple {1158#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1158#false} is VALID [2020-07-28 19:03:58,724 INFO L280 TraceCheckUtils]: 17: Hoare triple {1158#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {1158#false} is VALID [2020-07-28 19:03:58,724 INFO L280 TraceCheckUtils]: 18: Hoare triple {1158#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1158#false} is VALID [2020-07-28 19:03:58,724 INFO L280 TraceCheckUtils]: 19: Hoare triple {1158#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {1158#false} is VALID [2020-07-28 19:03:58,725 INFO L280 TraceCheckUtils]: 20: Hoare triple {1158#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1158#false} is VALID [2020-07-28 19:03:58,725 INFO L280 TraceCheckUtils]: 21: Hoare triple {1158#false} assume !false; {1158#false} is VALID [2020-07-28 19:03:58,726 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 19:03:58,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420436220] [2020-07-28 19:03:58,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:58,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:58,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571491771] [2020-07-28 19:03:58,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:58,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:58,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:58,758 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 19:03:58,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:58,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:58,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:58,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:58,760 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-07-28 19:03:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,030 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2020-07-28 19:03:59,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:59,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:59,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 19:03:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 19:03:59,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 201 transitions. [2020-07-28 19:03:59,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:59,246 INFO L225 Difference]: With dead ends: 135 [2020-07-28 19:03:59,246 INFO L226 Difference]: Without dead ends: 92 [2020-07-28 19:03:59,247 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 19:03:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-28 19:03:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2020-07-28 19:03:59,308 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:59,308 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 88 states. [2020-07-28 19:03:59,308 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 88 states. [2020-07-28 19:03:59,309 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 88 states. [2020-07-28 19:03:59,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,314 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2020-07-28 19:03:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2020-07-28 19:03:59,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:59,315 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:59,315 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 92 states. [2020-07-28 19:03:59,315 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 92 states. [2020-07-28 19:03:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,319 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2020-07-28 19:03:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2020-07-28 19:03:59,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:59,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:59,320 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:59,320 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-07-28 19:03:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2020-07-28 19:03:59,323 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2020-07-28 19:03:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:59,324 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2020-07-28 19:03:59,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-07-28 19:03:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:59,325 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:59,325 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 19:03:59,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:59,325 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:59,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2020-07-28 19:03:59,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:59,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380156751] [2020-07-28 19:03:59,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:59,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {1649#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,403 INFO L280 TraceCheckUtils]: 3: Hoare triple {1651#(= 0 ~pumpRunning~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,404 INFO L280 TraceCheckUtils]: 4: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~8; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,404 INFO L280 TraceCheckUtils]: 5: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,405 INFO L280 TraceCheckUtils]: 6: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !false; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,405 INFO L280 TraceCheckUtils]: 7: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,406 INFO L280 TraceCheckUtils]: 8: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,407 INFO L280 TraceCheckUtils]: 9: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,407 INFO L280 TraceCheckUtils]: 10: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,408 INFO L280 TraceCheckUtils]: 11: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,408 INFO L280 TraceCheckUtils]: 12: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,409 INFO L280 TraceCheckUtils]: 13: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,410 INFO L280 TraceCheckUtils]: 14: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,410 INFO L280 TraceCheckUtils]: 15: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,411 INFO L280 TraceCheckUtils]: 16: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,412 INFO L280 TraceCheckUtils]: 17: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1650#false} is VALID [2020-07-28 19:03:59,412 INFO L280 TraceCheckUtils]: 18: Hoare triple {1650#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1650#false} is VALID [2020-07-28 19:03:59,412 INFO L280 TraceCheckUtils]: 19: Hoare triple {1650#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {1650#false} is VALID [2020-07-28 19:03:59,412 INFO L280 TraceCheckUtils]: 20: Hoare triple {1650#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1650#false} is VALID [2020-07-28 19:03:59,413 INFO L280 TraceCheckUtils]: 21: Hoare triple {1650#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {1650#false} is VALID [2020-07-28 19:03:59,413 INFO L280 TraceCheckUtils]: 22: Hoare triple {1650#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1650#false} is VALID [2020-07-28 19:03:59,413 INFO L280 TraceCheckUtils]: 23: Hoare triple {1650#false} assume !false; {1650#false} is VALID [2020-07-28 19:03:59,414 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 19:03:59,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380156751] [2020-07-28 19:03:59,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:59,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:59,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413257788] [2020-07-28 19:03:59,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:59,416 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:59,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:59,451 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 19:03:59,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:59,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:59,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:59,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:59,452 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2020-07-28 19:03:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,711 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2020-07-28 19:03:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:59,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2020-07-28 19:03:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2020-07-28 19:03:59,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 169 transitions. [2020-07-28 19:03:59,925 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:59,929 INFO L225 Difference]: With dead ends: 211 [2020-07-28 19:03:59,929 INFO L226 Difference]: Without dead ends: 129 [2020-07-28 19:03:59,930 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 19:03:59,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-28 19:03:59,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2020-07-28 19:03:59,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:59,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand 127 states. [2020-07-28 19:03:59,997 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 127 states. [2020-07-28 19:03:59,997 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 127 states. [2020-07-28 19:04:00,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,002 INFO L93 Difference]: Finished difference Result 129 states and 186 transitions. [2020-07-28 19:04:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2020-07-28 19:04:00,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,003 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,003 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 129 states. [2020-07-28 19:04:00,003 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 129 states. [2020-07-28 19:04:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,008 INFO L93 Difference]: Finished difference Result 129 states and 186 transitions. [2020-07-28 19:04:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2020-07-28 19:04:00,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,009 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:00,009 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-28 19:04:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2020-07-28 19:04:00,014 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2020-07-28 19:04:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:00,014 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2020-07-28 19:04:00,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 19:04:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:00,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:00,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:00,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:00,016 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2020-07-28 19:04:00,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:00,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333672040] [2020-07-28 19:04:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:00,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {2375#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,100 INFO L280 TraceCheckUtils]: 1: Hoare triple {2377#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,100 INFO L280 TraceCheckUtils]: 2: Hoare triple {2377#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,101 INFO L280 TraceCheckUtils]: 3: Hoare triple {2377#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,102 INFO L280 TraceCheckUtils]: 4: Hoare triple {2377#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,102 INFO L280 TraceCheckUtils]: 5: Hoare triple {2377#(= 1 ~waterLevel~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,103 INFO L280 TraceCheckUtils]: 6: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !false; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,104 INFO L280 TraceCheckUtils]: 7: Hoare triple {2377#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,104 INFO L280 TraceCheckUtils]: 8: Hoare triple {2377#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,105 INFO L280 TraceCheckUtils]: 9: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,105 INFO L280 TraceCheckUtils]: 10: Hoare triple {2377#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,115 INFO L280 TraceCheckUtils]: 11: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,116 INFO L280 TraceCheckUtils]: 12: Hoare triple {2377#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,117 INFO L280 TraceCheckUtils]: 13: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,118 INFO L280 TraceCheckUtils]: 14: Hoare triple {2377#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,118 INFO L280 TraceCheckUtils]: 15: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,119 INFO L280 TraceCheckUtils]: 16: Hoare triple {2377#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,119 INFO L280 TraceCheckUtils]: 17: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,120 INFO L280 TraceCheckUtils]: 18: Hoare triple {2377#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2377#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,121 INFO L280 TraceCheckUtils]: 19: Hoare triple {2377#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {2378#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:00,122 INFO L280 TraceCheckUtils]: 20: Hoare triple {2378#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {2379#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)} is VALID [2020-07-28 19:04:00,122 INFO L280 TraceCheckUtils]: 21: Hoare triple {2379#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2376#false} is VALID [2020-07-28 19:04:00,123 INFO L280 TraceCheckUtils]: 22: Hoare triple {2376#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {2376#false} is VALID [2020-07-28 19:04:00,123 INFO L280 TraceCheckUtils]: 23: Hoare triple {2376#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {2376#false} is VALID [2020-07-28 19:04:00,123 INFO L280 TraceCheckUtils]: 24: Hoare triple {2376#false} assume !false; {2376#false} is VALID [2020-07-28 19:04:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:00,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333672040] [2020-07-28 19:04:00,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:00,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:00,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254253541] [2020-07-28 19:04:00,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:00,126 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:00,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:00,158 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:00,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:00,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:00,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:00,160 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2020-07-28 19:04:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:01,087 INFO L93 Difference]: Finished difference Result 451 states and 663 transitions. [2020-07-28 19:04:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:01,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 259 transitions. [2020-07-28 19:04:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 259 transitions. [2020-07-28 19:04:01,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 259 transitions. [2020-07-28 19:04:01,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:01,390 INFO L225 Difference]: With dead ends: 451 [2020-07-28 19:04:01,390 INFO L226 Difference]: Without dead ends: 330 [2020-07-28 19:04:01,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:01,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-28 19:04:01,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 210. [2020-07-28 19:04:01,625 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:01,626 INFO L82 GeneralOperation]: Start isEquivalent. First operand 330 states. Second operand 210 states. [2020-07-28 19:04:01,626 INFO L74 IsIncluded]: Start isIncluded. First operand 330 states. Second operand 210 states. [2020-07-28 19:04:01,626 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 210 states. [2020-07-28 19:04:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:01,641 INFO L93 Difference]: Finished difference Result 330 states and 469 transitions. [2020-07-28 19:04:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 469 transitions. [2020-07-28 19:04:01,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:01,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:01,642 INFO L74 IsIncluded]: Start isIncluded. First operand 210 states. Second operand 330 states. [2020-07-28 19:04:01,642 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 330 states. [2020-07-28 19:04:01,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:01,656 INFO L93 Difference]: Finished difference Result 330 states and 469 transitions. [2020-07-28 19:04:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 469 transitions. [2020-07-28 19:04:01,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:01,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:01,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:01,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-28 19:04:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2020-07-28 19:04:01,665 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 25 [2020-07-28 19:04:01,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:01,665 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2020-07-28 19:04:01,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2020-07-28 19:04:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:04:01,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:01,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:01,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:01,667 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:01,667 INFO L82 PathProgramCache]: Analyzing trace with hash -280430142, now seen corresponding path program 1 times [2020-07-28 19:04:01,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:01,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157182652] [2020-07-28 19:04:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:01,793 INFO L280 TraceCheckUtils]: 0: Hoare triple {3961#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,794 INFO L280 TraceCheckUtils]: 1: Hoare triple {3963#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,795 INFO L280 TraceCheckUtils]: 2: Hoare triple {3963#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,800 INFO L280 TraceCheckUtils]: 3: Hoare triple {3963#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,801 INFO L280 TraceCheckUtils]: 4: Hoare triple {3963#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,802 INFO L280 TraceCheckUtils]: 5: Hoare triple {3963#(= 1 ~waterLevel~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,803 INFO L280 TraceCheckUtils]: 6: Hoare triple {3963#(= 1 ~waterLevel~0)} assume !false; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,803 INFO L280 TraceCheckUtils]: 7: Hoare triple {3963#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,804 INFO L280 TraceCheckUtils]: 8: Hoare triple {3963#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,804 INFO L280 TraceCheckUtils]: 9: Hoare triple {3963#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~4; {3963#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,805 INFO L280 TraceCheckUtils]: 10: Hoare triple {3963#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,806 INFO L280 TraceCheckUtils]: 11: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,806 INFO L280 TraceCheckUtils]: 12: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,807 INFO L280 TraceCheckUtils]: 13: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,807 INFO L280 TraceCheckUtils]: 14: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,808 INFO L280 TraceCheckUtils]: 15: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,815 INFO L280 TraceCheckUtils]: 17: Hoare triple {3964#(<= 2 ~waterLevel~0)} ~systemActive~0 := 0; {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,817 INFO L280 TraceCheckUtils]: 18: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,818 INFO L280 TraceCheckUtils]: 19: Hoare triple {3964#(<= 2 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3964#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:01,819 INFO L280 TraceCheckUtils]: 20: Hoare triple {3964#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {3965#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:04:01,821 INFO L280 TraceCheckUtils]: 21: Hoare triple {3965#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {3966#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9))} is VALID [2020-07-28 19:04:01,822 INFO L280 TraceCheckUtils]: 22: Hoare triple {3966#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3962#false} is VALID [2020-07-28 19:04:01,823 INFO L280 TraceCheckUtils]: 23: Hoare triple {3962#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {3962#false} is VALID [2020-07-28 19:04:01,823 INFO L280 TraceCheckUtils]: 24: Hoare triple {3962#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {3962#false} is VALID [2020-07-28 19:04:01,823 INFO L280 TraceCheckUtils]: 25: Hoare triple {3962#false} assume !false; {3962#false} is VALID [2020-07-28 19:04:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:01,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157182652] [2020-07-28 19:04:01,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:01,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:01,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6136885] [2020-07-28 19:04:01,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-28 19:04:01,826 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:01,826 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:01,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:01,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:01,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:01,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:01,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:01,862 INFO L87 Difference]: Start difference. First operand 210 states and 296 transitions. Second operand 6 states. [2020-07-28 19:04:03,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,604 INFO L93 Difference]: Finished difference Result 740 states and 1074 transitions. [2020-07-28 19:04:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:04:03,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-28 19:04:03,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 417 transitions. [2020-07-28 19:04:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 417 transitions. [2020-07-28 19:04:03,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 417 transitions. [2020-07-28 19:04:04,169 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 417 edges. 417 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:04,201 INFO L225 Difference]: With dead ends: 740 [2020-07-28 19:04:04,201 INFO L226 Difference]: Without dead ends: 619 [2020-07-28 19:04:04,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:04:04,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-07-28 19:04:04,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 301. [2020-07-28 19:04:04,598 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:04,598 INFO L82 GeneralOperation]: Start isEquivalent. First operand 619 states. Second operand 301 states. [2020-07-28 19:04:04,598 INFO L74 IsIncluded]: Start isIncluded. First operand 619 states. Second operand 301 states. [2020-07-28 19:04:04,599 INFO L87 Difference]: Start difference. First operand 619 states. Second operand 301 states. [2020-07-28 19:04:04,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:04,624 INFO L93 Difference]: Finished difference Result 619 states and 875 transitions. [2020-07-28 19:04:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 875 transitions. [2020-07-28 19:04:04,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:04,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:04,626 INFO L74 IsIncluded]: Start isIncluded. First operand 301 states. Second operand 619 states. [2020-07-28 19:04:04,626 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 619 states. [2020-07-28 19:04:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:04,651 INFO L93 Difference]: Finished difference Result 619 states and 875 transitions. [2020-07-28 19:04:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 875 transitions. [2020-07-28 19:04:04,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:04,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:04,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:04,654 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-28 19:04:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 419 transitions. [2020-07-28 19:04:04,665 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 419 transitions. Word has length 26 [2020-07-28 19:04:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:04,665 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 419 transitions. [2020-07-28 19:04:04,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 419 transitions. [2020-07-28 19:04:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-28 19:04:04,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:04,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:04,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:04,671 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash 338591824, now seen corresponding path program 1 times [2020-07-28 19:04:04,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:04,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138802879] [2020-07-28 19:04:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:04,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {6658#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {6658#true} is VALID [2020-07-28 19:04:04,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {6658#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {6658#true} is VALID [2020-07-28 19:04:04,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {6658#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {6658#true} is VALID [2020-07-28 19:04:04,769 INFO L280 TraceCheckUtils]: 3: Hoare triple {6658#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {6658#true} is VALID [2020-07-28 19:04:04,769 INFO L280 TraceCheckUtils]: 4: Hoare triple {6658#true} assume 0 != main_~tmp~8; {6658#true} is VALID [2020-07-28 19:04:04,770 INFO L280 TraceCheckUtils]: 5: Hoare triple {6658#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6658#true} is VALID [2020-07-28 19:04:04,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {6658#true} assume !false; {6658#true} is VALID [2020-07-28 19:04:04,770 INFO L280 TraceCheckUtils]: 7: Hoare triple {6658#true} assume test_~splverifierCounter~0 < 4; {6658#true} is VALID [2020-07-28 19:04:04,770 INFO L280 TraceCheckUtils]: 8: Hoare triple {6658#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {6658#true} is VALID [2020-07-28 19:04:04,770 INFO L280 TraceCheckUtils]: 9: Hoare triple {6658#true} assume !(0 != test_~tmp~4); {6658#true} is VALID [2020-07-28 19:04:04,771 INFO L280 TraceCheckUtils]: 10: Hoare triple {6658#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {6658#true} is VALID [2020-07-28 19:04:04,771 INFO L280 TraceCheckUtils]: 11: Hoare triple {6658#true} assume !(0 != test_~tmp___0~2); {6658#true} is VALID [2020-07-28 19:04:04,771 INFO L280 TraceCheckUtils]: 12: Hoare triple {6658#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {6658#true} is VALID [2020-07-28 19:04:04,772 INFO L280 TraceCheckUtils]: 13: Hoare triple {6658#true} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; {6658#true} is VALID [2020-07-28 19:04:04,772 INFO L280 TraceCheckUtils]: 14: Hoare triple {6658#true} assume 0 != test_~tmp___1~0; {6658#true} is VALID [2020-07-28 19:04:04,773 INFO L280 TraceCheckUtils]: 15: Hoare triple {6658#true} assume !(0 != ~pumpRunning~0); {6658#true} is VALID [2020-07-28 19:04:04,774 INFO L280 TraceCheckUtils]: 16: Hoare triple {6658#true} ~systemActive~0 := 0; {6660#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:04:04,774 INFO L280 TraceCheckUtils]: 17: Hoare triple {6660#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {6660#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:04:04,775 INFO L280 TraceCheckUtils]: 18: Hoare triple {6660#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {6659#false} is VALID [2020-07-28 19:04:04,775 INFO L280 TraceCheckUtils]: 19: Hoare triple {6659#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {6659#false} is VALID [2020-07-28 19:04:04,776 INFO L280 TraceCheckUtils]: 20: Hoare triple {6659#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {6659#false} is VALID [2020-07-28 19:04:04,776 INFO L280 TraceCheckUtils]: 21: Hoare triple {6659#false} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {6659#false} is VALID [2020-07-28 19:04:04,776 INFO L280 TraceCheckUtils]: 22: Hoare triple {6659#false} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {6659#false} is VALID [2020-07-28 19:04:04,777 INFO L280 TraceCheckUtils]: 23: Hoare triple {6659#false} assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; {6659#false} is VALID [2020-07-28 19:04:04,777 INFO L280 TraceCheckUtils]: 24: Hoare triple {6659#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {6659#false} is VALID [2020-07-28 19:04:04,777 INFO L280 TraceCheckUtils]: 25: Hoare triple {6659#false} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {6659#false} is VALID [2020-07-28 19:04:04,777 INFO L280 TraceCheckUtils]: 26: Hoare triple {6659#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {6659#false} is VALID [2020-07-28 19:04:04,777 INFO L280 TraceCheckUtils]: 27: Hoare triple {6659#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {6659#false} is VALID [2020-07-28 19:04:04,778 INFO L280 TraceCheckUtils]: 28: Hoare triple {6659#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {6659#false} is VALID [2020-07-28 19:04:04,778 INFO L280 TraceCheckUtils]: 29: Hoare triple {6659#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {6659#false} is VALID [2020-07-28 19:04:04,779 INFO L280 TraceCheckUtils]: 30: Hoare triple {6659#false} assume !false; {6659#false} is VALID [2020-07-28 19:04:04,779 INFO L280 TraceCheckUtils]: 31: Hoare triple {6659#false} assume test_~splverifierCounter~0 < 4; {6659#false} is VALID [2020-07-28 19:04:04,779 INFO L280 TraceCheckUtils]: 32: Hoare triple {6659#false} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {6659#false} is VALID [2020-07-28 19:04:04,779 INFO L280 TraceCheckUtils]: 33: Hoare triple {6659#false} assume !(0 != test_~tmp~4); {6659#false} is VALID [2020-07-28 19:04:04,779 INFO L280 TraceCheckUtils]: 34: Hoare triple {6659#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {6659#false} is VALID [2020-07-28 19:04:04,780 INFO L280 TraceCheckUtils]: 35: Hoare triple {6659#false} assume !(0 != test_~tmp___0~2); {6659#false} is VALID [2020-07-28 19:04:04,780 INFO L280 TraceCheckUtils]: 36: Hoare triple {6659#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {6659#false} is VALID [2020-07-28 19:04:04,780 INFO L280 TraceCheckUtils]: 37: Hoare triple {6659#false} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; {6659#false} is VALID [2020-07-28 19:04:04,781 INFO L280 TraceCheckUtils]: 38: Hoare triple {6659#false} assume !(0 != test_~tmp___1~0); {6659#false} is VALID [2020-07-28 19:04:04,782 INFO L280 TraceCheckUtils]: 39: Hoare triple {6659#false} assume 0 != ~pumpRunning~0; {6659#false} is VALID [2020-07-28 19:04:04,782 INFO L280 TraceCheckUtils]: 40: Hoare triple {6659#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6659#false} is VALID [2020-07-28 19:04:04,782 INFO L280 TraceCheckUtils]: 41: Hoare triple {6659#false} assume !(0 != ~systemActive~0); {6659#false} is VALID [2020-07-28 19:04:04,782 INFO L280 TraceCheckUtils]: 42: Hoare triple {6659#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {6659#false} is VALID [2020-07-28 19:04:04,783 INFO L280 TraceCheckUtils]: 43: Hoare triple {6659#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {6659#false} is VALID [2020-07-28 19:04:04,783 INFO L280 TraceCheckUtils]: 44: Hoare triple {6659#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {6659#false} is VALID [2020-07-28 19:04:04,786 INFO L280 TraceCheckUtils]: 45: Hoare triple {6659#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {6659#false} is VALID [2020-07-28 19:04:04,788 INFO L280 TraceCheckUtils]: 46: Hoare triple {6659#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {6659#false} is VALID [2020-07-28 19:04:04,788 INFO L280 TraceCheckUtils]: 47: Hoare triple {6659#false} assume !false; {6659#false} is VALID [2020-07-28 19:04:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:04:04,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138802879] [2020-07-28 19:04:04,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:04,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:04,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074695555] [2020-07-28 19:04:04,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-07-28 19:04:04,794 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:04,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:04,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:04,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:04,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:04,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:04,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:04,848 INFO L87 Difference]: Start difference. First operand 301 states and 419 transitions. Second operand 3 states. [2020-07-28 19:04:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,496 INFO L93 Difference]: Finished difference Result 512 states and 708 transitions. [2020-07-28 19:04:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:05,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-07-28 19:04:05,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 19:04:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 19:04:05,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 163 transitions. [2020-07-28 19:04:05,720 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:05,725 INFO L225 Difference]: With dead ends: 512 [2020-07-28 19:04:05,725 INFO L226 Difference]: Without dead ends: 217 [2020-07-28 19:04:05,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-28 19:04:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 209. [2020-07-28 19:04:06,046 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:06,046 INFO L82 GeneralOperation]: Start isEquivalent. First operand 217 states. Second operand 209 states. [2020-07-28 19:04:06,046 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 209 states. [2020-07-28 19:04:06,046 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 209 states. [2020-07-28 19:04:06,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:06,052 INFO L93 Difference]: Finished difference Result 217 states and 292 transitions. [2020-07-28 19:04:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 292 transitions. [2020-07-28 19:04:06,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:06,054 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:06,054 INFO L74 IsIncluded]: Start isIncluded. First operand 209 states. Second operand 217 states. [2020-07-28 19:04:06,054 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 217 states. [2020-07-28 19:04:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:06,060 INFO L93 Difference]: Finished difference Result 217 states and 292 transitions. [2020-07-28 19:04:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 292 transitions. [2020-07-28 19:04:06,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:06,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:06,062 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:06,062 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-28 19:04:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 285 transitions. [2020-07-28 19:04:06,069 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 285 transitions. Word has length 48 [2020-07-28 19:04:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:06,069 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 285 transitions. [2020-07-28 19:04:06,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 285 transitions. [2020-07-28 19:04:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-28 19:04:06,070 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:06,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:06,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:06,072 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:06,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:06,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1324072375, now seen corresponding path program 1 times [2020-07-28 19:04:06,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:06,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687074087] [2020-07-28 19:04:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:06,190 INFO L280 TraceCheckUtils]: 0: Hoare triple {8096#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {8096#true} is VALID [2020-07-28 19:04:06,190 INFO L280 TraceCheckUtils]: 1: Hoare triple {8096#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {8096#true} is VALID [2020-07-28 19:04:06,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {8096#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {8096#true} is VALID [2020-07-28 19:04:06,191 INFO L280 TraceCheckUtils]: 3: Hoare triple {8096#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {8096#true} is VALID [2020-07-28 19:04:06,191 INFO L280 TraceCheckUtils]: 4: Hoare triple {8096#true} assume 0 != main_~tmp~8; {8096#true} is VALID [2020-07-28 19:04:06,191 INFO L280 TraceCheckUtils]: 5: Hoare triple {8096#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8096#true} is VALID [2020-07-28 19:04:06,191 INFO L280 TraceCheckUtils]: 6: Hoare triple {8096#true} assume !false; {8096#true} is VALID [2020-07-28 19:04:06,192 INFO L280 TraceCheckUtils]: 7: Hoare triple {8096#true} assume test_~splverifierCounter~0 < 4; {8096#true} is VALID [2020-07-28 19:04:06,192 INFO L280 TraceCheckUtils]: 8: Hoare triple {8096#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {8096#true} is VALID [2020-07-28 19:04:06,193 INFO L280 TraceCheckUtils]: 9: Hoare triple {8096#true} assume !(0 != test_~tmp~4); {8096#true} is VALID [2020-07-28 19:04:06,193 INFO L280 TraceCheckUtils]: 10: Hoare triple {8096#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {8096#true} is VALID [2020-07-28 19:04:06,193 INFO L280 TraceCheckUtils]: 11: Hoare triple {8096#true} assume !(0 != test_~tmp___0~2); {8096#true} is VALID [2020-07-28 19:04:06,194 INFO L280 TraceCheckUtils]: 12: Hoare triple {8096#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {8096#true} is VALID [2020-07-28 19:04:06,194 INFO L280 TraceCheckUtils]: 13: Hoare triple {8096#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8096#true} is VALID [2020-07-28 19:04:06,194 INFO L280 TraceCheckUtils]: 14: Hoare triple {8096#true} assume !(0 != ~pumpRunning~0); {8096#true} is VALID [2020-07-28 19:04:06,194 INFO L280 TraceCheckUtils]: 15: Hoare triple {8096#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {8096#true} is VALID [2020-07-28 19:04:06,194 INFO L280 TraceCheckUtils]: 16: Hoare triple {8096#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {8096#true} is VALID [2020-07-28 19:04:06,195 INFO L280 TraceCheckUtils]: 17: Hoare triple {8096#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {8096#true} is VALID [2020-07-28 19:04:06,195 INFO L280 TraceCheckUtils]: 18: Hoare triple {8096#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {8096#true} is VALID [2020-07-28 19:04:06,195 INFO L280 TraceCheckUtils]: 19: Hoare triple {8096#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {8096#true} is VALID [2020-07-28 19:04:06,198 INFO L280 TraceCheckUtils]: 20: Hoare triple {8096#true} assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; {8098#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 19:04:06,199 INFO L280 TraceCheckUtils]: 21: Hoare triple {8098#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {8099#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:06,200 INFO L280 TraceCheckUtils]: 22: Hoare triple {8099#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {8100#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} is VALID [2020-07-28 19:04:06,201 INFO L280 TraceCheckUtils]: 23: Hoare triple {8100#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {8097#false} is VALID [2020-07-28 19:04:06,202 INFO L280 TraceCheckUtils]: 24: Hoare triple {8097#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {8097#false} is VALID [2020-07-28 19:04:06,202 INFO L280 TraceCheckUtils]: 25: Hoare triple {8097#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {8097#false} is VALID [2020-07-28 19:04:06,202 INFO L280 TraceCheckUtils]: 26: Hoare triple {8097#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {8097#false} is VALID [2020-07-28 19:04:06,202 INFO L280 TraceCheckUtils]: 27: Hoare triple {8097#false} assume !false; {8097#false} is VALID [2020-07-28 19:04:06,202 INFO L280 TraceCheckUtils]: 28: Hoare triple {8097#false} assume test_~splverifierCounter~0 < 4; {8097#false} is VALID [2020-07-28 19:04:06,203 INFO L280 TraceCheckUtils]: 29: Hoare triple {8097#false} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {8097#false} is VALID [2020-07-28 19:04:06,203 INFO L280 TraceCheckUtils]: 30: Hoare triple {8097#false} assume !(0 != test_~tmp~4); {8097#false} is VALID [2020-07-28 19:04:06,203 INFO L280 TraceCheckUtils]: 31: Hoare triple {8097#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {8097#false} is VALID [2020-07-28 19:04:06,203 INFO L280 TraceCheckUtils]: 32: Hoare triple {8097#false} assume !(0 != test_~tmp___0~2); {8097#false} is VALID [2020-07-28 19:04:06,208 INFO L280 TraceCheckUtils]: 33: Hoare triple {8097#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {8097#false} is VALID [2020-07-28 19:04:06,208 INFO L280 TraceCheckUtils]: 34: Hoare triple {8097#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8097#false} is VALID [2020-07-28 19:04:06,208 INFO L280 TraceCheckUtils]: 35: Hoare triple {8097#false} assume 0 != ~pumpRunning~0; {8097#false} is VALID [2020-07-28 19:04:06,208 INFO L280 TraceCheckUtils]: 36: Hoare triple {8097#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8097#false} is VALID [2020-07-28 19:04:06,208 INFO L280 TraceCheckUtils]: 37: Hoare triple {8097#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {8097#false} is VALID [2020-07-28 19:04:06,209 INFO L280 TraceCheckUtils]: 38: Hoare triple {8097#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {8097#false} is VALID [2020-07-28 19:04:06,209 INFO L280 TraceCheckUtils]: 39: Hoare triple {8097#false} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {8097#false} is VALID [2020-07-28 19:04:06,209 INFO L280 TraceCheckUtils]: 40: Hoare triple {8097#false} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {8097#false} is VALID [2020-07-28 19:04:06,209 INFO L280 TraceCheckUtils]: 41: Hoare triple {8097#false} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {8097#false} is VALID [2020-07-28 19:04:06,210 INFO L280 TraceCheckUtils]: 42: Hoare triple {8097#false} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {8097#false} is VALID [2020-07-28 19:04:06,210 INFO L280 TraceCheckUtils]: 43: Hoare triple {8097#false} assume 0 != processEnvironment_~tmp~1;~pumpRunning~0 := 0; {8097#false} is VALID [2020-07-28 19:04:06,210 INFO L280 TraceCheckUtils]: 44: Hoare triple {8097#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {8097#false} is VALID [2020-07-28 19:04:06,212 INFO L280 TraceCheckUtils]: 45: Hoare triple {8097#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {8097#false} is VALID [2020-07-28 19:04:06,213 INFO L280 TraceCheckUtils]: 46: Hoare triple {8097#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {8097#false} is VALID [2020-07-28 19:04:06,213 INFO L280 TraceCheckUtils]: 47: Hoare triple {8097#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {8097#false} is VALID [2020-07-28 19:04:06,213 INFO L280 TraceCheckUtils]: 48: Hoare triple {8097#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {8097#false} is VALID [2020-07-28 19:04:06,214 INFO L280 TraceCheckUtils]: 49: Hoare triple {8097#false} assume !false; {8097#false} is VALID [2020-07-28 19:04:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:04:06,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687074087] [2020-07-28 19:04:06,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:06,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:06,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283419696] [2020-07-28 19:04:06,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-07-28 19:04:06,219 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:06,219 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:06,277 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:06,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:06,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:06,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:06,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:06,279 INFO L87 Difference]: Start difference. First operand 209 states and 285 transitions. Second operand 5 states. [2020-07-28 19:04:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,731 INFO L93 Difference]: Finished difference Result 641 states and 867 transitions. [2020-07-28 19:04:07,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:07,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-07-28 19:04:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 205 transitions. [2020-07-28 19:04:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 205 transitions. [2020-07-28 19:04:07,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 205 transitions. [2020-07-28 19:04:07,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 205 edges. 205 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:07,962 INFO L225 Difference]: With dead ends: 641 [2020-07-28 19:04:07,962 INFO L226 Difference]: Without dead ends: 438 [2020-07-28 19:04:07,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-07-28 19:04:08,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 224. [2020-07-28 19:04:08,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:08,299 INFO L82 GeneralOperation]: Start isEquivalent. First operand 438 states. Second operand 224 states. [2020-07-28 19:04:08,299 INFO L74 IsIncluded]: Start isIncluded. First operand 438 states. Second operand 224 states. [2020-07-28 19:04:08,299 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 224 states. [2020-07-28 19:04:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:08,315 INFO L93 Difference]: Finished difference Result 438 states and 583 transitions. [2020-07-28 19:04:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 583 transitions. [2020-07-28 19:04:08,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:08,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:08,316 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 438 states. [2020-07-28 19:04:08,317 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 438 states. [2020-07-28 19:04:08,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:08,334 INFO L93 Difference]: Finished difference Result 438 states and 583 transitions. [2020-07-28 19:04:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 583 transitions. [2020-07-28 19:04:08,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:08,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:08,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:08,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 19:04:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 300 transitions. [2020-07-28 19:04:08,343 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 300 transitions. Word has length 50 [2020-07-28 19:04:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:08,344 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 300 transitions. [2020-07-28 19:04:08,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 300 transitions. [2020-07-28 19:04:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-28 19:04:08,346 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:08,347 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:08,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:08,347 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:08,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1346704629, now seen corresponding path program 1 times [2020-07-28 19:04:08,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:08,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452308655] [2020-07-28 19:04:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:08,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {10192#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {10192#true} is VALID [2020-07-28 19:04:08,463 INFO L280 TraceCheckUtils]: 1: Hoare triple {10192#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {10192#true} is VALID [2020-07-28 19:04:08,463 INFO L280 TraceCheckUtils]: 2: Hoare triple {10192#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {10192#true} is VALID [2020-07-28 19:04:08,463 INFO L280 TraceCheckUtils]: 3: Hoare triple {10192#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {10192#true} is VALID [2020-07-28 19:04:08,463 INFO L280 TraceCheckUtils]: 4: Hoare triple {10192#true} assume 0 != main_~tmp~8; {10192#true} is VALID [2020-07-28 19:04:08,463 INFO L280 TraceCheckUtils]: 5: Hoare triple {10192#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10192#true} is VALID [2020-07-28 19:04:08,464 INFO L280 TraceCheckUtils]: 6: Hoare triple {10192#true} assume !false; {10192#true} is VALID [2020-07-28 19:04:08,464 INFO L280 TraceCheckUtils]: 7: Hoare triple {10192#true} assume test_~splverifierCounter~0 < 4; {10192#true} is VALID [2020-07-28 19:04:08,464 INFO L280 TraceCheckUtils]: 8: Hoare triple {10192#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {10192#true} is VALID [2020-07-28 19:04:08,465 INFO L280 TraceCheckUtils]: 9: Hoare triple {10192#true} assume !(0 != test_~tmp~4); {10192#true} is VALID [2020-07-28 19:04:08,465 INFO L280 TraceCheckUtils]: 10: Hoare triple {10192#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {10192#true} is VALID [2020-07-28 19:04:08,465 INFO L280 TraceCheckUtils]: 11: Hoare triple {10192#true} assume !(0 != test_~tmp___0~2); {10192#true} is VALID [2020-07-28 19:04:08,465 INFO L280 TraceCheckUtils]: 12: Hoare triple {10192#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {10192#true} is VALID [2020-07-28 19:04:08,465 INFO L280 TraceCheckUtils]: 13: Hoare triple {10192#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10192#true} is VALID [2020-07-28 19:04:08,466 INFO L280 TraceCheckUtils]: 14: Hoare triple {10192#true} assume !(0 != ~pumpRunning~0); {10192#true} is VALID [2020-07-28 19:04:08,466 INFO L280 TraceCheckUtils]: 15: Hoare triple {10192#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {10192#true} is VALID [2020-07-28 19:04:08,466 INFO L280 TraceCheckUtils]: 16: Hoare triple {10192#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {10192#true} is VALID [2020-07-28 19:04:08,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {10192#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {10192#true} is VALID [2020-07-28 19:04:08,467 INFO L280 TraceCheckUtils]: 18: Hoare triple {10192#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {10194#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:08,468 INFO L280 TraceCheckUtils]: 19: Hoare triple {10194#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {10195#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~2)} is VALID [2020-07-28 19:04:08,469 INFO L280 TraceCheckUtils]: 20: Hoare triple {10195#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~2)} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {10193#false} is VALID [2020-07-28 19:04:08,469 INFO L280 TraceCheckUtils]: 21: Hoare triple {10193#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {10193#false} is VALID [2020-07-28 19:04:08,469 INFO L280 TraceCheckUtils]: 22: Hoare triple {10193#false} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {10193#false} is VALID [2020-07-28 19:04:08,470 INFO L280 TraceCheckUtils]: 23: Hoare triple {10193#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {10193#false} is VALID [2020-07-28 19:04:08,470 INFO L280 TraceCheckUtils]: 24: Hoare triple {10193#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {10193#false} is VALID [2020-07-28 19:04:08,470 INFO L280 TraceCheckUtils]: 25: Hoare triple {10193#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {10193#false} is VALID [2020-07-28 19:04:08,470 INFO L280 TraceCheckUtils]: 26: Hoare triple {10193#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {10193#false} is VALID [2020-07-28 19:04:08,470 INFO L280 TraceCheckUtils]: 27: Hoare triple {10193#false} assume !false; {10193#false} is VALID [2020-07-28 19:04:08,471 INFO L280 TraceCheckUtils]: 28: Hoare triple {10193#false} assume test_~splverifierCounter~0 < 4; {10193#false} is VALID [2020-07-28 19:04:08,471 INFO L280 TraceCheckUtils]: 29: Hoare triple {10193#false} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {10193#false} is VALID [2020-07-28 19:04:08,472 INFO L280 TraceCheckUtils]: 30: Hoare triple {10193#false} assume !(0 != test_~tmp~4); {10193#false} is VALID [2020-07-28 19:04:08,472 INFO L280 TraceCheckUtils]: 31: Hoare triple {10193#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {10193#false} is VALID [2020-07-28 19:04:08,472 INFO L280 TraceCheckUtils]: 32: Hoare triple {10193#false} assume !(0 != test_~tmp___0~2); {10193#false} is VALID [2020-07-28 19:04:08,472 INFO L280 TraceCheckUtils]: 33: Hoare triple {10193#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {10193#false} is VALID [2020-07-28 19:04:08,473 INFO L280 TraceCheckUtils]: 34: Hoare triple {10193#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10193#false} is VALID [2020-07-28 19:04:08,473 INFO L280 TraceCheckUtils]: 35: Hoare triple {10193#false} assume 0 != ~pumpRunning~0; {10193#false} is VALID [2020-07-28 19:04:08,473 INFO L280 TraceCheckUtils]: 36: Hoare triple {10193#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10193#false} is VALID [2020-07-28 19:04:08,474 INFO L280 TraceCheckUtils]: 37: Hoare triple {10193#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {10193#false} is VALID [2020-07-28 19:04:08,474 INFO L280 TraceCheckUtils]: 38: Hoare triple {10193#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {10193#false} is VALID [2020-07-28 19:04:08,474 INFO L280 TraceCheckUtils]: 39: Hoare triple {10193#false} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {10193#false} is VALID [2020-07-28 19:04:08,474 INFO L280 TraceCheckUtils]: 40: Hoare triple {10193#false} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {10193#false} is VALID [2020-07-28 19:04:08,474 INFO L280 TraceCheckUtils]: 41: Hoare triple {10193#false} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {10193#false} is VALID [2020-07-28 19:04:08,475 INFO L280 TraceCheckUtils]: 42: Hoare triple {10193#false} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {10193#false} is VALID [2020-07-28 19:04:08,475 INFO L280 TraceCheckUtils]: 43: Hoare triple {10193#false} assume 0 != processEnvironment_~tmp~1;~pumpRunning~0 := 0; {10193#false} is VALID [2020-07-28 19:04:08,475 INFO L280 TraceCheckUtils]: 44: Hoare triple {10193#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {10193#false} is VALID [2020-07-28 19:04:08,475 INFO L280 TraceCheckUtils]: 45: Hoare triple {10193#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {10193#false} is VALID [2020-07-28 19:04:08,475 INFO L280 TraceCheckUtils]: 46: Hoare triple {10193#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10193#false} is VALID [2020-07-28 19:04:08,476 INFO L280 TraceCheckUtils]: 47: Hoare triple {10193#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {10193#false} is VALID [2020-07-28 19:04:08,476 INFO L280 TraceCheckUtils]: 48: Hoare triple {10193#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {10193#false} is VALID [2020-07-28 19:04:08,476 INFO L280 TraceCheckUtils]: 49: Hoare triple {10193#false} assume !false; {10193#false} is VALID [2020-07-28 19:04:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:04:08,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452308655] [2020-07-28 19:04:08,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:08,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:08,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96929815] [2020-07-28 19:04:08,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-07-28 19:04:08,481 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:08,481 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:08,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:08,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:08,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:08,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:08,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:08,547 INFO L87 Difference]: Start difference. First operand 224 states and 300 transitions. Second operand 4 states. [2020-07-28 19:04:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:09,768 INFO L93 Difference]: Finished difference Result 520 states and 696 transitions. [2020-07-28 19:04:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:09,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-07-28 19:04:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 178 transitions. [2020-07-28 19:04:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 178 transitions. [2020-07-28 19:04:09,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 178 transitions. [2020-07-28 19:04:09,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:09,976 INFO L225 Difference]: With dead ends: 520 [2020-07-28 19:04:09,977 INFO L226 Difference]: Without dead ends: 302 [2020-07-28 19:04:09,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-07-28 19:04:10,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 199. [2020-07-28 19:04:10,432 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:10,432 INFO L82 GeneralOperation]: Start isEquivalent. First operand 302 states. Second operand 199 states. [2020-07-28 19:04:10,433 INFO L74 IsIncluded]: Start isIncluded. First operand 302 states. Second operand 199 states. [2020-07-28 19:04:10,433 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 199 states. [2020-07-28 19:04:10,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,444 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-07-28 19:04:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2020-07-28 19:04:10,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,446 INFO L74 IsIncluded]: Start isIncluded. First operand 199 states. Second operand 302 states. [2020-07-28 19:04:10,446 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 302 states. [2020-07-28 19:04:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,455 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-07-28 19:04:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2020-07-28 19:04:10,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:10,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-07-28 19:04:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 262 transitions. [2020-07-28 19:04:10,464 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 262 transitions. Word has length 50 [2020-07-28 19:04:10,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:10,464 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 262 transitions. [2020-07-28 19:04:10,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 262 transitions. [2020-07-28 19:04:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:04:10,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:10,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:10,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:10,467 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:10,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1319293361, now seen corresponding path program 1 times [2020-07-28 19:04:10,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:10,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068149394] [2020-07-28 19:04:10,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:10,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {11806#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {11806#true} is VALID [2020-07-28 19:04:10,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {11806#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {11806#true} is VALID [2020-07-28 19:04:10,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {11806#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {11806#true} is VALID [2020-07-28 19:04:10,562 INFO L280 TraceCheckUtils]: 3: Hoare triple {11806#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {11806#true} is VALID [2020-07-28 19:04:10,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {11806#true} assume 0 != main_~tmp~8; {11806#true} is VALID [2020-07-28 19:04:10,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {11806#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11806#true} is VALID [2020-07-28 19:04:10,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {11806#true} assume !false; {11806#true} is VALID [2020-07-28 19:04:10,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {11806#true} assume test_~splverifierCounter~0 < 4; {11806#true} is VALID [2020-07-28 19:04:10,563 INFO L280 TraceCheckUtils]: 8: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {11806#true} is VALID [2020-07-28 19:04:10,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {11806#true} assume 0 != test_~tmp~4; {11806#true} is VALID [2020-07-28 19:04:10,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {11806#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11806#true} is VALID [2020-07-28 19:04:10,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {11806#true} is VALID [2020-07-28 19:04:10,565 INFO L280 TraceCheckUtils]: 12: Hoare triple {11806#true} assume !(0 != test_~tmp___0~2); {11806#true} is VALID [2020-07-28 19:04:10,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {11806#true} is VALID [2020-07-28 19:04:10,566 INFO L280 TraceCheckUtils]: 14: Hoare triple {11806#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11806#true} is VALID [2020-07-28 19:04:10,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {11806#true} assume !(0 != ~pumpRunning~0); {11806#true} is VALID [2020-07-28 19:04:10,566 INFO L280 TraceCheckUtils]: 16: Hoare triple {11806#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {11806#true} is VALID [2020-07-28 19:04:10,566 INFO L280 TraceCheckUtils]: 17: Hoare triple {11806#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {11806#true} is VALID [2020-07-28 19:04:10,567 INFO L280 TraceCheckUtils]: 18: Hoare triple {11806#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {11806#true} is VALID [2020-07-28 19:04:10,567 INFO L280 TraceCheckUtils]: 19: Hoare triple {11806#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {11806#true} is VALID [2020-07-28 19:04:10,568 INFO L280 TraceCheckUtils]: 20: Hoare triple {11806#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {11806#true} is VALID [2020-07-28 19:04:10,568 INFO L280 TraceCheckUtils]: 21: Hoare triple {11806#true} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {11806#true} is VALID [2020-07-28 19:04:10,568 INFO L280 TraceCheckUtils]: 22: Hoare triple {11806#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {11806#true} is VALID [2020-07-28 19:04:10,569 INFO L280 TraceCheckUtils]: 23: Hoare triple {11806#true} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {11806#true} is VALID [2020-07-28 19:04:10,569 INFO L280 TraceCheckUtils]: 24: Hoare triple {11806#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {11806#true} is VALID [2020-07-28 19:04:10,569 INFO L280 TraceCheckUtils]: 25: Hoare triple {11806#true} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {11806#true} is VALID [2020-07-28 19:04:10,570 INFO L280 TraceCheckUtils]: 26: Hoare triple {11806#true} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {11806#true} is VALID [2020-07-28 19:04:10,570 INFO L280 TraceCheckUtils]: 27: Hoare triple {11806#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {11806#true} is VALID [2020-07-28 19:04:10,570 INFO L280 TraceCheckUtils]: 28: Hoare triple {11806#true} assume !false; {11806#true} is VALID [2020-07-28 19:04:10,571 INFO L280 TraceCheckUtils]: 29: Hoare triple {11806#true} assume test_~splverifierCounter~0 < 4; {11806#true} is VALID [2020-07-28 19:04:10,571 INFO L280 TraceCheckUtils]: 30: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {11806#true} is VALID [2020-07-28 19:04:10,571 INFO L280 TraceCheckUtils]: 31: Hoare triple {11806#true} assume !(0 != test_~tmp~4); {11806#true} is VALID [2020-07-28 19:04:10,573 INFO L280 TraceCheckUtils]: 32: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {11806#true} is VALID [2020-07-28 19:04:10,574 INFO L280 TraceCheckUtils]: 33: Hoare triple {11806#true} assume !(0 != test_~tmp___0~2); {11806#true} is VALID [2020-07-28 19:04:10,574 INFO L280 TraceCheckUtils]: 34: Hoare triple {11806#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {11806#true} is VALID [2020-07-28 19:04:10,574 INFO L280 TraceCheckUtils]: 35: Hoare triple {11806#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11806#true} is VALID [2020-07-28 19:04:10,575 INFO L280 TraceCheckUtils]: 36: Hoare triple {11806#true} assume 0 != ~pumpRunning~0; {11806#true} is VALID [2020-07-28 19:04:10,575 INFO L280 TraceCheckUtils]: 37: Hoare triple {11806#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {11806#true} is VALID [2020-07-28 19:04:10,575 INFO L280 TraceCheckUtils]: 38: Hoare triple {11806#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {11806#true} is VALID [2020-07-28 19:04:10,575 INFO L280 TraceCheckUtils]: 39: Hoare triple {11806#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {11806#true} is VALID [2020-07-28 19:04:10,576 INFO L280 TraceCheckUtils]: 40: Hoare triple {11806#true} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {11806#true} is VALID [2020-07-28 19:04:10,577 INFO L280 TraceCheckUtils]: 41: Hoare triple {11806#true} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {11808#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:10,578 INFO L280 TraceCheckUtils]: 42: Hoare triple {11808#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {11809#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:10,579 INFO L280 TraceCheckUtils]: 43: Hoare triple {11809#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {11810#(= 0 ULTIMATE.start_processEnvironment_~tmp~1)} is VALID [2020-07-28 19:04:10,580 INFO L280 TraceCheckUtils]: 44: Hoare triple {11810#(= 0 ULTIMATE.start_processEnvironment_~tmp~1)} assume 0 != processEnvironment_~tmp~1;~pumpRunning~0 := 0; {11807#false} is VALID [2020-07-28 19:04:10,580 INFO L280 TraceCheckUtils]: 45: Hoare triple {11807#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {11807#false} is VALID [2020-07-28 19:04:10,581 INFO L280 TraceCheckUtils]: 46: Hoare triple {11807#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {11807#false} is VALID [2020-07-28 19:04:10,581 INFO L280 TraceCheckUtils]: 47: Hoare triple {11807#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {11807#false} is VALID [2020-07-28 19:04:10,581 INFO L280 TraceCheckUtils]: 48: Hoare triple {11807#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {11807#false} is VALID [2020-07-28 19:04:10,582 INFO L280 TraceCheckUtils]: 49: Hoare triple {11807#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {11807#false} is VALID [2020-07-28 19:04:10,582 INFO L280 TraceCheckUtils]: 50: Hoare triple {11807#false} assume !false; {11807#false} is VALID [2020-07-28 19:04:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:10,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068149394] [2020-07-28 19:04:10,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:10,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:10,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564481927] [2020-07-28 19:04:10,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:10,591 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:10,591 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:10,651 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:10,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:10,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:10,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:10,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:10,653 INFO L87 Difference]: Start difference. First operand 199 states and 262 transitions. Second operand 5 states. [2020-07-28 19:04:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:12,546 INFO L93 Difference]: Finished difference Result 683 states and 915 transitions. [2020-07-28 19:04:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:12,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 261 transitions. [2020-07-28 19:04:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 261 transitions. [2020-07-28 19:04:12,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 261 transitions. [2020-07-28 19:04:12,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:12,836 INFO L225 Difference]: With dead ends: 683 [2020-07-28 19:04:12,836 INFO L226 Difference]: Without dead ends: 532 [2020-07-28 19:04:12,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-07-28 19:04:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 202. [2020-07-28 19:04:13,254 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:13,254 INFO L82 GeneralOperation]: Start isEquivalent. First operand 532 states. Second operand 202 states. [2020-07-28 19:04:13,255 INFO L74 IsIncluded]: Start isIncluded. First operand 532 states. Second operand 202 states. [2020-07-28 19:04:13,255 INFO L87 Difference]: Start difference. First operand 532 states. Second operand 202 states. [2020-07-28 19:04:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:13,270 INFO L93 Difference]: Finished difference Result 532 states and 710 transitions. [2020-07-28 19:04:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 710 transitions. [2020-07-28 19:04:13,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:13,271 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:13,271 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 532 states. [2020-07-28 19:04:13,272 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 532 states. [2020-07-28 19:04:13,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:13,289 INFO L93 Difference]: Finished difference Result 532 states and 710 transitions. [2020-07-28 19:04:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 710 transitions. [2020-07-28 19:04:13,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:13,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:13,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:13,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 19:04:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 265 transitions. [2020-07-28 19:04:13,296 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 265 transitions. Word has length 51 [2020-07-28 19:04:13,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:13,297 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 265 transitions. [2020-07-28 19:04:13,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2020-07-28 19:04:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:04:13,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:13,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:13,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:04:13,299 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:13,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:13,299 INFO L82 PathProgramCache]: Analyzing trace with hash 926266351, now seen corresponding path program 1 times [2020-07-28 19:04:13,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:13,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841610553] [2020-07-28 19:04:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:13,402 INFO L280 TraceCheckUtils]: 0: Hoare triple {14118#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {14118#true} is VALID [2020-07-28 19:04:13,403 INFO L280 TraceCheckUtils]: 1: Hoare triple {14118#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {14118#true} is VALID [2020-07-28 19:04:13,403 INFO L280 TraceCheckUtils]: 2: Hoare triple {14118#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {14118#true} is VALID [2020-07-28 19:04:13,404 INFO L280 TraceCheckUtils]: 3: Hoare triple {14118#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {14118#true} is VALID [2020-07-28 19:04:13,404 INFO L280 TraceCheckUtils]: 4: Hoare triple {14118#true} assume 0 != main_~tmp~8; {14118#true} is VALID [2020-07-28 19:04:13,404 INFO L280 TraceCheckUtils]: 5: Hoare triple {14118#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14118#true} is VALID [2020-07-28 19:04:13,404 INFO L280 TraceCheckUtils]: 6: Hoare triple {14118#true} assume !false; {14118#true} is VALID [2020-07-28 19:04:13,404 INFO L280 TraceCheckUtils]: 7: Hoare triple {14118#true} assume test_~splverifierCounter~0 < 4; {14118#true} is VALID [2020-07-28 19:04:13,405 INFO L280 TraceCheckUtils]: 8: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {14118#true} is VALID [2020-07-28 19:04:13,405 INFO L280 TraceCheckUtils]: 9: Hoare triple {14118#true} assume 0 != test_~tmp~4; {14118#true} is VALID [2020-07-28 19:04:13,405 INFO L280 TraceCheckUtils]: 10: Hoare triple {14118#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14118#true} is VALID [2020-07-28 19:04:13,405 INFO L280 TraceCheckUtils]: 11: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {14118#true} is VALID [2020-07-28 19:04:13,405 INFO L280 TraceCheckUtils]: 12: Hoare triple {14118#true} assume !(0 != test_~tmp___0~2); {14118#true} is VALID [2020-07-28 19:04:13,406 INFO L280 TraceCheckUtils]: 13: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {14118#true} is VALID [2020-07-28 19:04:13,406 INFO L280 TraceCheckUtils]: 14: Hoare triple {14118#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14118#true} is VALID [2020-07-28 19:04:13,406 INFO L280 TraceCheckUtils]: 15: Hoare triple {14118#true} assume !(0 != ~pumpRunning~0); {14118#true} is VALID [2020-07-28 19:04:13,407 INFO L280 TraceCheckUtils]: 16: Hoare triple {14118#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {14118#true} is VALID [2020-07-28 19:04:13,408 INFO L280 TraceCheckUtils]: 17: Hoare triple {14118#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {14118#true} is VALID [2020-07-28 19:04:13,408 INFO L280 TraceCheckUtils]: 18: Hoare triple {14118#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {14118#true} is VALID [2020-07-28 19:04:13,408 INFO L280 TraceCheckUtils]: 19: Hoare triple {14118#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {14118#true} is VALID [2020-07-28 19:04:13,408 INFO L280 TraceCheckUtils]: 20: Hoare triple {14118#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {14118#true} is VALID [2020-07-28 19:04:13,409 INFO L280 TraceCheckUtils]: 21: Hoare triple {14118#true} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {14118#true} is VALID [2020-07-28 19:04:13,409 INFO L280 TraceCheckUtils]: 22: Hoare triple {14118#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {14118#true} is VALID [2020-07-28 19:04:13,409 INFO L280 TraceCheckUtils]: 23: Hoare triple {14118#true} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {14118#true} is VALID [2020-07-28 19:04:13,409 INFO L280 TraceCheckUtils]: 24: Hoare triple {14118#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {14118#true} is VALID [2020-07-28 19:04:13,409 INFO L280 TraceCheckUtils]: 25: Hoare triple {14118#true} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {14118#true} is VALID [2020-07-28 19:04:13,410 INFO L280 TraceCheckUtils]: 26: Hoare triple {14118#true} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {14118#true} is VALID [2020-07-28 19:04:13,410 INFO L280 TraceCheckUtils]: 27: Hoare triple {14118#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {14118#true} is VALID [2020-07-28 19:04:13,410 INFO L280 TraceCheckUtils]: 28: Hoare triple {14118#true} assume !false; {14118#true} is VALID [2020-07-28 19:04:13,411 INFO L280 TraceCheckUtils]: 29: Hoare triple {14118#true} assume test_~splverifierCounter~0 < 4; {14118#true} is VALID [2020-07-28 19:04:13,412 INFO L280 TraceCheckUtils]: 30: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {14118#true} is VALID [2020-07-28 19:04:13,413 INFO L280 TraceCheckUtils]: 31: Hoare triple {14118#true} assume !(0 != test_~tmp~4); {14118#true} is VALID [2020-07-28 19:04:13,413 INFO L280 TraceCheckUtils]: 32: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {14118#true} is VALID [2020-07-28 19:04:13,413 INFO L280 TraceCheckUtils]: 33: Hoare triple {14118#true} assume !(0 != test_~tmp___0~2); {14118#true} is VALID [2020-07-28 19:04:13,414 INFO L280 TraceCheckUtils]: 34: Hoare triple {14118#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {14118#true} is VALID [2020-07-28 19:04:13,414 INFO L280 TraceCheckUtils]: 35: Hoare triple {14118#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14118#true} is VALID [2020-07-28 19:04:13,414 INFO L280 TraceCheckUtils]: 36: Hoare triple {14118#true} assume 0 != ~pumpRunning~0; {14118#true} is VALID [2020-07-28 19:04:13,414 INFO L280 TraceCheckUtils]: 37: Hoare triple {14118#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14118#true} is VALID [2020-07-28 19:04:13,415 INFO L280 TraceCheckUtils]: 38: Hoare triple {14118#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {14118#true} is VALID [2020-07-28 19:04:13,415 INFO L280 TraceCheckUtils]: 39: Hoare triple {14118#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {14118#true} is VALID [2020-07-28 19:04:13,415 INFO L280 TraceCheckUtils]: 40: Hoare triple {14118#true} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {14118#true} is VALID [2020-07-28 19:04:13,416 INFO L280 TraceCheckUtils]: 41: Hoare triple {14118#true} assume !(0 != isLowWaterLevel_~tmp~3);isLowWaterLevel_~tmp___0~1 := 1; {14118#true} is VALID [2020-07-28 19:04:13,417 INFO L280 TraceCheckUtils]: 42: Hoare triple {14118#true} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {14118#true} is VALID [2020-07-28 19:04:13,417 INFO L280 TraceCheckUtils]: 43: Hoare triple {14118#true} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {14118#true} is VALID [2020-07-28 19:04:13,418 INFO L280 TraceCheckUtils]: 44: Hoare triple {14118#true} assume 0 != processEnvironment_~tmp~1;~pumpRunning~0 := 0; {14120#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:13,418 INFO L280 TraceCheckUtils]: 45: Hoare triple {14120#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {14120#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:13,419 INFO L280 TraceCheckUtils]: 46: Hoare triple {14120#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {14120#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:13,422 INFO L280 TraceCheckUtils]: 47: Hoare triple {14120#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {14121#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:13,423 INFO L280 TraceCheckUtils]: 48: Hoare triple {14121#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {14122#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} is VALID [2020-07-28 19:04:13,423 INFO L280 TraceCheckUtils]: 49: Hoare triple {14122#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {14119#false} is VALID [2020-07-28 19:04:13,424 INFO L280 TraceCheckUtils]: 50: Hoare triple {14119#false} assume !false; {14119#false} is VALID [2020-07-28 19:04:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:13,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841610553] [2020-07-28 19:04:13,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:13,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:13,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929496529] [2020-07-28 19:04:13,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:13,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:13,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:13,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:13,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:13,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:13,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:13,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:13,478 INFO L87 Difference]: Start difference. First operand 202 states and 265 transitions. Second operand 5 states. [2020-07-28 19:04:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,255 INFO L93 Difference]: Finished difference Result 501 states and 662 transitions. [2020-07-28 19:04:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:15,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:15,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 280 transitions. [2020-07-28 19:04:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 280 transitions. [2020-07-28 19:04:15,259 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 280 transitions. [2020-07-28 19:04:15,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:15,610 INFO L225 Difference]: With dead ends: 501 [2020-07-28 19:04:15,610 INFO L226 Difference]: Without dead ends: 499 [2020-07-28 19:04:15,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-28 19:04:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 202. [2020-07-28 19:04:16,102 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:16,102 INFO L82 GeneralOperation]: Start isEquivalent. First operand 499 states. Second operand 202 states. [2020-07-28 19:04:16,103 INFO L74 IsIncluded]: Start isIncluded. First operand 499 states. Second operand 202 states. [2020-07-28 19:04:16,103 INFO L87 Difference]: Start difference. First operand 499 states. Second operand 202 states. [2020-07-28 19:04:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,115 INFO L93 Difference]: Finished difference Result 499 states and 659 transitions. [2020-07-28 19:04:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 659 transitions. [2020-07-28 19:04:16,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,116 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 499 states. [2020-07-28 19:04:16,116 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 499 states. [2020-07-28 19:04:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,128 INFO L93 Difference]: Finished difference Result 499 states and 659 transitions. [2020-07-28 19:04:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 659 transitions. [2020-07-28 19:04:16,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:16,130 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 19:04:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 263 transitions. [2020-07-28 19:04:16,134 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 263 transitions. Word has length 51 [2020-07-28 19:04:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:16,134 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 263 transitions. [2020-07-28 19:04:16,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 263 transitions. [2020-07-28 19:04:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-28 19:04:16,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:16,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:16,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:04:16,136 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:16,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2020-07-28 19:04:16,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:16,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180579227] [2020-07-28 19:04:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,249 INFO L280 TraceCheckUtils]: 0: Hoare triple {16116#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {16118#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,251 INFO L280 TraceCheckUtils]: 2: Hoare triple {16118#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,255 INFO L280 TraceCheckUtils]: 3: Hoare triple {16118#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,256 INFO L280 TraceCheckUtils]: 4: Hoare triple {16118#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,257 INFO L280 TraceCheckUtils]: 5: Hoare triple {16118#(= 1 ~waterLevel~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,258 INFO L280 TraceCheckUtils]: 6: Hoare triple {16118#(= 1 ~waterLevel~0)} assume !false; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,258 INFO L280 TraceCheckUtils]: 7: Hoare triple {16118#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,259 INFO L280 TraceCheckUtils]: 8: Hoare triple {16118#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,259 INFO L280 TraceCheckUtils]: 9: Hoare triple {16118#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~4; {16118#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,260 INFO L280 TraceCheckUtils]: 10: Hoare triple {16118#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,260 INFO L280 TraceCheckUtils]: 11: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,261 INFO L280 TraceCheckUtils]: 12: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,261 INFO L280 TraceCheckUtils]: 13: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,261 INFO L280 TraceCheckUtils]: 14: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,262 INFO L280 TraceCheckUtils]: 15: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,262 INFO L280 TraceCheckUtils]: 16: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,263 INFO L280 TraceCheckUtils]: 17: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,263 INFO L280 TraceCheckUtils]: 18: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,263 INFO L280 TraceCheckUtils]: 19: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,264 INFO L280 TraceCheckUtils]: 20: Hoare triple {16119#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,264 INFO L280 TraceCheckUtils]: 21: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,265 INFO L280 TraceCheckUtils]: 22: Hoare triple {16119#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,265 INFO L280 TraceCheckUtils]: 23: Hoare triple {16119#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,266 INFO L280 TraceCheckUtils]: 24: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,266 INFO L280 TraceCheckUtils]: 25: Hoare triple {16119#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,267 INFO L280 TraceCheckUtils]: 26: Hoare triple {16119#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,267 INFO L280 TraceCheckUtils]: 27: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,267 INFO L280 TraceCheckUtils]: 28: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !false; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,268 INFO L280 TraceCheckUtils]: 29: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,268 INFO L280 TraceCheckUtils]: 30: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,269 INFO L280 TraceCheckUtils]: 31: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~4); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,269 INFO L280 TraceCheckUtils]: 32: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,273 INFO L280 TraceCheckUtils]: 33: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,273 INFO L280 TraceCheckUtils]: 34: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,274 INFO L280 TraceCheckUtils]: 35: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,274 INFO L280 TraceCheckUtils]: 36: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,275 INFO L280 TraceCheckUtils]: 37: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,276 INFO L280 TraceCheckUtils]: 38: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,276 INFO L280 TraceCheckUtils]: 39: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,284 INFO L280 TraceCheckUtils]: 40: Hoare triple {16120#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,285 INFO L280 TraceCheckUtils]: 41: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,285 INFO L280 TraceCheckUtils]: 42: Hoare triple {16120#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,286 INFO L280 TraceCheckUtils]: 43: Hoare triple {16120#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,287 INFO L280 TraceCheckUtils]: 44: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,287 INFO L280 TraceCheckUtils]: 45: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,289 INFO L280 TraceCheckUtils]: 46: Hoare triple {16120#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {16121#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:04:16,289 INFO L280 TraceCheckUtils]: 47: Hoare triple {16121#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {16122#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9))} is VALID [2020-07-28 19:04:16,290 INFO L280 TraceCheckUtils]: 48: Hoare triple {16122#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {16117#false} is VALID [2020-07-28 19:04:16,290 INFO L280 TraceCheckUtils]: 49: Hoare triple {16117#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {16117#false} is VALID [2020-07-28 19:04:16,291 INFO L280 TraceCheckUtils]: 50: Hoare triple {16117#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {16117#false} is VALID [2020-07-28 19:04:16,291 INFO L280 TraceCheckUtils]: 51: Hoare triple {16117#false} assume !false; {16117#false} is VALID [2020-07-28 19:04:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:04:16,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180579227] [2020-07-28 19:04:16,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402720273] [2020-07-28 19:04:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:04:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:16,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:16,778 INFO L280 TraceCheckUtils]: 0: Hoare triple {16116#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {16116#true} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 1: Hoare triple {16116#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {16116#true} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 2: Hoare triple {16116#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {16116#true} is VALID [2020-07-28 19:04:16,779 INFO L280 TraceCheckUtils]: 3: Hoare triple {16116#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {16116#true} is VALID [2020-07-28 19:04:16,780 INFO L280 TraceCheckUtils]: 4: Hoare triple {16116#true} assume 0 != main_~tmp~8; {16116#true} is VALID [2020-07-28 19:04:16,780 INFO L280 TraceCheckUtils]: 5: Hoare triple {16116#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {16116#true} is VALID [2020-07-28 19:04:16,780 INFO L280 TraceCheckUtils]: 6: Hoare triple {16116#true} assume !false; {16116#true} is VALID [2020-07-28 19:04:16,780 INFO L280 TraceCheckUtils]: 7: Hoare triple {16116#true} assume test_~splverifierCounter~0 < 4; {16116#true} is VALID [2020-07-28 19:04:16,780 INFO L280 TraceCheckUtils]: 8: Hoare triple {16116#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {16116#true} is VALID [2020-07-28 19:04:16,781 INFO L280 TraceCheckUtils]: 9: Hoare triple {16116#true} assume 0 != test_~tmp~4; {16116#true} is VALID [2020-07-28 19:04:16,781 INFO L280 TraceCheckUtils]: 10: Hoare triple {16116#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {16116#true} is VALID [2020-07-28 19:04:16,781 INFO L280 TraceCheckUtils]: 11: Hoare triple {16116#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {16116#true} is VALID [2020-07-28 19:04:16,781 INFO L280 TraceCheckUtils]: 12: Hoare triple {16116#true} assume !(0 != test_~tmp___0~2); {16116#true} is VALID [2020-07-28 19:04:16,782 INFO L280 TraceCheckUtils]: 13: Hoare triple {16116#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {16116#true} is VALID [2020-07-28 19:04:16,782 INFO L280 TraceCheckUtils]: 14: Hoare triple {16116#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {16116#true} is VALID [2020-07-28 19:04:16,783 INFO L280 TraceCheckUtils]: 15: Hoare triple {16116#true} assume !(0 != ~pumpRunning~0); {16116#true} is VALID [2020-07-28 19:04:16,783 INFO L280 TraceCheckUtils]: 16: Hoare triple {16116#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {16116#true} is VALID [2020-07-28 19:04:16,783 INFO L280 TraceCheckUtils]: 17: Hoare triple {16116#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {16116#true} is VALID [2020-07-28 19:04:16,783 INFO L280 TraceCheckUtils]: 18: Hoare triple {16116#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {16116#true} is VALID [2020-07-28 19:04:16,784 INFO L280 TraceCheckUtils]: 19: Hoare triple {16116#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,785 INFO L280 TraceCheckUtils]: 20: Hoare triple {16119#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,786 INFO L280 TraceCheckUtils]: 21: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,787 INFO L280 TraceCheckUtils]: 22: Hoare triple {16119#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,787 INFO L280 TraceCheckUtils]: 23: Hoare triple {16119#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,788 INFO L280 TraceCheckUtils]: 24: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,789 INFO L280 TraceCheckUtils]: 25: Hoare triple {16119#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,789 INFO L280 TraceCheckUtils]: 26: Hoare triple {16119#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,790 INFO L280 TraceCheckUtils]: 27: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,790 INFO L280 TraceCheckUtils]: 28: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !false; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,791 INFO L280 TraceCheckUtils]: 29: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,792 INFO L280 TraceCheckUtils]: 30: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,792 INFO L280 TraceCheckUtils]: 31: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~4); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,793 INFO L280 TraceCheckUtils]: 32: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,793 INFO L280 TraceCheckUtils]: 33: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,794 INFO L280 TraceCheckUtils]: 34: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,795 INFO L280 TraceCheckUtils]: 35: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,795 INFO L280 TraceCheckUtils]: 36: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {16119#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,796 INFO L280 TraceCheckUtils]: 37: Hoare triple {16119#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,797 INFO L280 TraceCheckUtils]: 38: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,798 INFO L280 TraceCheckUtils]: 39: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,799 INFO L280 TraceCheckUtils]: 40: Hoare triple {16120#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,799 INFO L280 TraceCheckUtils]: 41: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,801 INFO L280 TraceCheckUtils]: 42: Hoare triple {16120#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,802 INFO L280 TraceCheckUtils]: 43: Hoare triple {16120#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,802 INFO L280 TraceCheckUtils]: 44: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,803 INFO L280 TraceCheckUtils]: 45: Hoare triple {16120#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {16120#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:16,804 INFO L280 TraceCheckUtils]: 46: Hoare triple {16120#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {16264#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:16,805 INFO L280 TraceCheckUtils]: 47: Hoare triple {16264#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {16268#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)} is VALID [2020-07-28 19:04:16,806 INFO L280 TraceCheckUtils]: 48: Hoare triple {16268#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {16117#false} is VALID [2020-07-28 19:04:16,806 INFO L280 TraceCheckUtils]: 49: Hoare triple {16117#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {16117#false} is VALID [2020-07-28 19:04:16,806 INFO L280 TraceCheckUtils]: 50: Hoare triple {16117#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {16117#false} is VALID [2020-07-28 19:04:16,806 INFO L280 TraceCheckUtils]: 51: Hoare triple {16117#false} assume !false; {16117#false} is VALID [2020-07-28 19:04:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:16,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:16,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-07-28 19:04:16,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118692687] [2020-07-28 19:04:16,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-28 19:04:16,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:16,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 19:04:16,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:16,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 19:04:16,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:16,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 19:04:16,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:16,910 INFO L87 Difference]: Start difference. First operand 202 states and 263 transitions. Second operand 9 states. [2020-07-28 19:04:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:20,327 INFO L93 Difference]: Finished difference Result 782 states and 1044 transitions. [2020-07-28 19:04:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-28 19:04:20,327 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-28 19:04:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:04:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2020-07-28 19:04:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 19:04:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2020-07-28 19:04:20,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 499 transitions. [2020-07-28 19:04:20,919 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 499 edges. 499 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:20,941 INFO L225 Difference]: With dead ends: 782 [2020-07-28 19:04:20,942 INFO L226 Difference]: Without dead ends: 628 [2020-07-28 19:04:20,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-07-28 19:04:20,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-07-28 19:04:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 273. [2020-07-28 19:04:21,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:21,677 INFO L82 GeneralOperation]: Start isEquivalent. First operand 628 states. Second operand 273 states. [2020-07-28 19:04:21,678 INFO L74 IsIncluded]: Start isIncluded. First operand 628 states. Second operand 273 states. [2020-07-28 19:04:21,678 INFO L87 Difference]: Start difference. First operand 628 states. Second operand 273 states. [2020-07-28 19:04:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:21,704 INFO L93 Difference]: Finished difference Result 628 states and 826 transitions. [2020-07-28 19:04:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 826 transitions. [2020-07-28 19:04:21,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:21,707 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:21,708 INFO L74 IsIncluded]: Start isIncluded. First operand 273 states. Second operand 628 states. [2020-07-28 19:04:21,708 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 628 states. [2020-07-28 19:04:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:21,736 INFO L93 Difference]: Finished difference Result 628 states and 826 transitions. [2020-07-28 19:04:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 826 transitions. [2020-07-28 19:04:21,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:21,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:21,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:21,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-28 19:04:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 360 transitions. [2020-07-28 19:04:21,750 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 360 transitions. Word has length 52 [2020-07-28 19:04:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:21,751 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 360 transitions. [2020-07-28 19:04:21,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 19:04:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 360 transitions. [2020-07-28 19:04:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:21,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:21,753 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:21,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-28 19:04:21,968 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash -5787080, now seen corresponding path program 2 times [2020-07-28 19:04:21,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:21,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766042319] [2020-07-28 19:04:21,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:22,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {19032#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {19032#true} is VALID [2020-07-28 19:04:22,151 INFO L280 TraceCheckUtils]: 1: Hoare triple {19032#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {19032#true} is VALID [2020-07-28 19:04:22,152 INFO L280 TraceCheckUtils]: 2: Hoare triple {19032#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {19032#true} is VALID [2020-07-28 19:04:22,152 INFO L280 TraceCheckUtils]: 3: Hoare triple {19032#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {19032#true} is VALID [2020-07-28 19:04:22,153 INFO L280 TraceCheckUtils]: 4: Hoare triple {19032#true} assume 0 != main_~tmp~8; {19032#true} is VALID [2020-07-28 19:04:22,153 INFO L280 TraceCheckUtils]: 5: Hoare triple {19032#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {19032#true} is VALID [2020-07-28 19:04:22,153 INFO L280 TraceCheckUtils]: 6: Hoare triple {19032#true} assume !false; {19032#true} is VALID [2020-07-28 19:04:22,154 INFO L280 TraceCheckUtils]: 7: Hoare triple {19032#true} assume test_~splverifierCounter~0 < 4; {19032#true} is VALID [2020-07-28 19:04:22,154 INFO L280 TraceCheckUtils]: 8: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {19032#true} is VALID [2020-07-28 19:04:22,154 INFO L280 TraceCheckUtils]: 9: Hoare triple {19032#true} assume 0 != test_~tmp~4; {19032#true} is VALID [2020-07-28 19:04:22,154 INFO L280 TraceCheckUtils]: 10: Hoare triple {19032#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {19032#true} is VALID [2020-07-28 19:04:22,155 INFO L280 TraceCheckUtils]: 11: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {19032#true} is VALID [2020-07-28 19:04:22,155 INFO L280 TraceCheckUtils]: 12: Hoare triple {19032#true} assume !(0 != test_~tmp___0~2); {19032#true} is VALID [2020-07-28 19:04:22,155 INFO L280 TraceCheckUtils]: 13: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {19032#true} is VALID [2020-07-28 19:04:22,156 INFO L280 TraceCheckUtils]: 14: Hoare triple {19032#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {19032#true} is VALID [2020-07-28 19:04:22,156 INFO L280 TraceCheckUtils]: 15: Hoare triple {19032#true} assume !(0 != ~pumpRunning~0); {19032#true} is VALID [2020-07-28 19:04:22,156 INFO L280 TraceCheckUtils]: 16: Hoare triple {19032#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {19032#true} is VALID [2020-07-28 19:04:22,157 INFO L280 TraceCheckUtils]: 17: Hoare triple {19032#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19032#true} is VALID [2020-07-28 19:04:22,157 INFO L280 TraceCheckUtils]: 18: Hoare triple {19032#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {19032#true} is VALID [2020-07-28 19:04:22,157 INFO L280 TraceCheckUtils]: 19: Hoare triple {19032#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {19032#true} is VALID [2020-07-28 19:04:22,158 INFO L280 TraceCheckUtils]: 20: Hoare triple {19032#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {19032#true} is VALID [2020-07-28 19:04:22,158 INFO L280 TraceCheckUtils]: 21: Hoare triple {19032#true} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {19032#true} is VALID [2020-07-28 19:04:22,158 INFO L280 TraceCheckUtils]: 22: Hoare triple {19032#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {19032#true} is VALID [2020-07-28 19:04:22,158 INFO L280 TraceCheckUtils]: 23: Hoare triple {19032#true} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {19032#true} is VALID [2020-07-28 19:04:22,159 INFO L280 TraceCheckUtils]: 24: Hoare triple {19032#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {19032#true} is VALID [2020-07-28 19:04:22,159 INFO L280 TraceCheckUtils]: 25: Hoare triple {19032#true} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {19032#true} is VALID [2020-07-28 19:04:22,159 INFO L280 TraceCheckUtils]: 26: Hoare triple {19032#true} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {19032#true} is VALID [2020-07-28 19:04:22,161 INFO L280 TraceCheckUtils]: 27: Hoare triple {19032#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {19032#true} is VALID [2020-07-28 19:04:22,161 INFO L280 TraceCheckUtils]: 28: Hoare triple {19032#true} assume !false; {19032#true} is VALID [2020-07-28 19:04:22,163 INFO L280 TraceCheckUtils]: 29: Hoare triple {19032#true} assume test_~splverifierCounter~0 < 4; {19032#true} is VALID [2020-07-28 19:04:22,172 INFO L280 TraceCheckUtils]: 30: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {19032#true} is VALID [2020-07-28 19:04:22,173 INFO L280 TraceCheckUtils]: 31: Hoare triple {19032#true} assume !(0 != test_~tmp~4); {19032#true} is VALID [2020-07-28 19:04:22,173 INFO L280 TraceCheckUtils]: 32: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {19032#true} is VALID [2020-07-28 19:04:22,173 INFO L280 TraceCheckUtils]: 33: Hoare triple {19032#true} assume !(0 != test_~tmp___0~2); {19032#true} is VALID [2020-07-28 19:04:22,174 INFO L280 TraceCheckUtils]: 34: Hoare triple {19032#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {19032#true} is VALID [2020-07-28 19:04:22,174 INFO L280 TraceCheckUtils]: 35: Hoare triple {19032#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {19032#true} is VALID [2020-07-28 19:04:22,175 INFO L280 TraceCheckUtils]: 36: Hoare triple {19032#true} assume 0 != ~pumpRunning~0; {19032#true} is VALID [2020-07-28 19:04:22,175 INFO L280 TraceCheckUtils]: 37: Hoare triple {19032#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19032#true} is VALID [2020-07-28 19:04:22,175 INFO L280 TraceCheckUtils]: 38: Hoare triple {19032#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {19032#true} is VALID [2020-07-28 19:04:22,180 INFO L280 TraceCheckUtils]: 39: Hoare triple {19032#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {19034#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:22,184 INFO L280 TraceCheckUtils]: 40: Hoare triple {19034#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {19035#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:22,185 INFO L280 TraceCheckUtils]: 41: Hoare triple {19035#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 0 ~waterLevel~0))} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,185 INFO L280 TraceCheckUtils]: 42: Hoare triple {19036#(= 0 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,186 INFO L280 TraceCheckUtils]: 43: Hoare triple {19036#(= 0 ~waterLevel~0)} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,186 INFO L280 TraceCheckUtils]: 44: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,187 INFO L280 TraceCheckUtils]: 45: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,187 INFO L280 TraceCheckUtils]: 46: Hoare triple {19036#(= 0 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,189 INFO L280 TraceCheckUtils]: 47: Hoare triple {19036#(= 0 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,190 INFO L280 TraceCheckUtils]: 48: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,190 INFO L280 TraceCheckUtils]: 49: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !false; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,191 INFO L280 TraceCheckUtils]: 50: Hoare triple {19036#(= 0 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,191 INFO L280 TraceCheckUtils]: 51: Hoare triple {19036#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,192 INFO L280 TraceCheckUtils]: 52: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp~4); {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,192 INFO L280 TraceCheckUtils]: 53: Hoare triple {19036#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,193 INFO L280 TraceCheckUtils]: 54: Hoare triple {19036#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,193 INFO L280 TraceCheckUtils]: 55: Hoare triple {19036#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,194 INFO L280 TraceCheckUtils]: 56: Hoare triple {19036#(= 0 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,195 INFO L280 TraceCheckUtils]: 57: Hoare triple {19036#(= 0 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {19036#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:22,195 INFO L280 TraceCheckUtils]: 58: Hoare triple {19036#(= 0 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19033#false} is VALID [2020-07-28 19:04:22,195 INFO L280 TraceCheckUtils]: 59: Hoare triple {19033#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {19033#false} is VALID [2020-07-28 19:04:22,196 INFO L280 TraceCheckUtils]: 60: Hoare triple {19033#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {19033#false} is VALID [2020-07-28 19:04:22,196 INFO L280 TraceCheckUtils]: 61: Hoare triple {19033#false} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {19033#false} is VALID [2020-07-28 19:04:22,196 INFO L280 TraceCheckUtils]: 62: Hoare triple {19033#false} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {19033#false} is VALID [2020-07-28 19:04:22,196 INFO L280 TraceCheckUtils]: 63: Hoare triple {19033#false} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 64: Hoare triple {19033#false} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 65: Hoare triple {19033#false} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 66: Hoare triple {19033#false} assume !(0 == ~pumpRunning~0); {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 67: Hoare triple {19033#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 68: Hoare triple {19033#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {19033#false} is VALID [2020-07-28 19:04:22,197 INFO L280 TraceCheckUtils]: 69: Hoare triple {19033#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {19033#false} is VALID [2020-07-28 19:04:22,198 INFO L280 TraceCheckUtils]: 70: Hoare triple {19033#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {19033#false} is VALID [2020-07-28 19:04:22,198 INFO L280 TraceCheckUtils]: 71: Hoare triple {19033#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {19033#false} is VALID [2020-07-28 19:04:22,198 INFO L280 TraceCheckUtils]: 72: Hoare triple {19033#false} assume !false; {19033#false} is VALID [2020-07-28 19:04:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:22,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766042319] [2020-07-28 19:04:22,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:22,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:22,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077608486] [2020-07-28 19:04:22,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:22,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:22,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:22,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:22,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:22,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:22,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:22,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:22,285 INFO L87 Difference]: Start difference. First operand 273 states and 360 transitions. Second operand 5 states. [2020-07-28 19:04:24,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,657 INFO L93 Difference]: Finished difference Result 875 states and 1160 transitions. [2020-07-28 19:04:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:24,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 238 transitions. [2020-07-28 19:04:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 238 transitions. [2020-07-28 19:04:24,660 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 238 transitions. [2020-07-28 19:04:24,997 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:25,023 INFO L225 Difference]: With dead ends: 875 [2020-07-28 19:04:25,023 INFO L226 Difference]: Without dead ends: 607 [2020-07-28 19:04:25,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:25,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-07-28 19:04:26,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 369. [2020-07-28 19:04:26,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:26,062 INFO L82 GeneralOperation]: Start isEquivalent. First operand 607 states. Second operand 369 states. [2020-07-28 19:04:26,062 INFO L74 IsIncluded]: Start isIncluded. First operand 607 states. Second operand 369 states. [2020-07-28 19:04:26,062 INFO L87 Difference]: Start difference. First operand 607 states. Second operand 369 states. [2020-07-28 19:04:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,079 INFO L93 Difference]: Finished difference Result 607 states and 794 transitions. [2020-07-28 19:04:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 794 transitions. [2020-07-28 19:04:26,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:26,080 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:26,081 INFO L74 IsIncluded]: Start isIncluded. First operand 369 states. Second operand 607 states. [2020-07-28 19:04:26,081 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 607 states. [2020-07-28 19:04:26,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,098 INFO L93 Difference]: Finished difference Result 607 states and 794 transitions. [2020-07-28 19:04:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 794 transitions. [2020-07-28 19:04:26,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:26,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:26,099 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:26,100 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-07-28 19:04:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 488 transitions. [2020-07-28 19:04:26,106 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 488 transitions. Word has length 73 [2020-07-28 19:04:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:26,107 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 488 transitions. [2020-07-28 19:04:26,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 488 transitions. [2020-07-28 19:04:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:26,108 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:26,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:26,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-28 19:04:26,109 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:26,109 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2020-07-28 19:04:26,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:26,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392648555] [2020-07-28 19:04:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:26,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {21982#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {21982#true} is VALID [2020-07-28 19:04:26,191 INFO L280 TraceCheckUtils]: 1: Hoare triple {21982#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {21982#true} is VALID [2020-07-28 19:04:26,191 INFO L280 TraceCheckUtils]: 2: Hoare triple {21982#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {21982#true} is VALID [2020-07-28 19:04:26,191 INFO L280 TraceCheckUtils]: 3: Hoare triple {21982#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {21982#true} is VALID [2020-07-28 19:04:26,191 INFO L280 TraceCheckUtils]: 4: Hoare triple {21982#true} assume 0 != main_~tmp~8; {21982#true} is VALID [2020-07-28 19:04:26,192 INFO L280 TraceCheckUtils]: 5: Hoare triple {21982#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {21982#true} is VALID [2020-07-28 19:04:26,192 INFO L280 TraceCheckUtils]: 6: Hoare triple {21982#true} assume !false; {21982#true} is VALID [2020-07-28 19:04:26,192 INFO L280 TraceCheckUtils]: 7: Hoare triple {21982#true} assume test_~splverifierCounter~0 < 4; {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 8: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 9: Hoare triple {21982#true} assume 0 != test_~tmp~4; {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 10: Hoare triple {21982#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 11: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 12: Hoare triple {21982#true} assume !(0 != test_~tmp___0~2); {21982#true} is VALID [2020-07-28 19:04:26,193 INFO L280 TraceCheckUtils]: 13: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21982#true} is VALID [2020-07-28 19:04:26,194 INFO L280 TraceCheckUtils]: 14: Hoare triple {21982#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21984#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:26,195 INFO L280 TraceCheckUtils]: 15: Hoare triple {21984#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {21984#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:26,195 INFO L280 TraceCheckUtils]: 16: Hoare triple {21984#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21982#true} is VALID [2020-07-28 19:04:26,195 INFO L280 TraceCheckUtils]: 17: Hoare triple {21982#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 18: Hoare triple {21982#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 19: Hoare triple {21982#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 20: Hoare triple {21982#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 21: Hoare triple {21982#true} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 22: Hoare triple {21982#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {21982#true} is VALID [2020-07-28 19:04:26,196 INFO L280 TraceCheckUtils]: 23: Hoare triple {21982#true} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {21982#true} is VALID [2020-07-28 19:04:26,197 INFO L280 TraceCheckUtils]: 24: Hoare triple {21982#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,197 INFO L280 TraceCheckUtils]: 25: Hoare triple {21982#true} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21982#true} is VALID [2020-07-28 19:04:26,197 INFO L280 TraceCheckUtils]: 26: Hoare triple {21982#true} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21982#true} is VALID [2020-07-28 19:04:26,197 INFO L280 TraceCheckUtils]: 27: Hoare triple {21982#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {21982#true} is VALID [2020-07-28 19:04:26,198 INFO L280 TraceCheckUtils]: 28: Hoare triple {21982#true} assume !false; {21982#true} is VALID [2020-07-28 19:04:26,198 INFO L280 TraceCheckUtils]: 29: Hoare triple {21982#true} assume test_~splverifierCounter~0 < 4; {21982#true} is VALID [2020-07-28 19:04:26,198 INFO L280 TraceCheckUtils]: 30: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21982#true} is VALID [2020-07-28 19:04:26,198 INFO L280 TraceCheckUtils]: 31: Hoare triple {21982#true} assume !(0 != test_~tmp~4); {21982#true} is VALID [2020-07-28 19:04:26,198 INFO L280 TraceCheckUtils]: 32: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21982#true} is VALID [2020-07-28 19:04:26,199 INFO L280 TraceCheckUtils]: 33: Hoare triple {21982#true} assume !(0 != test_~tmp___0~2); {21982#true} is VALID [2020-07-28 19:04:26,199 INFO L280 TraceCheckUtils]: 34: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21982#true} is VALID [2020-07-28 19:04:26,199 INFO L280 TraceCheckUtils]: 35: Hoare triple {21982#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,199 INFO L280 TraceCheckUtils]: 36: Hoare triple {21982#true} assume 0 != ~pumpRunning~0; {21982#true} is VALID [2020-07-28 19:04:26,200 INFO L280 TraceCheckUtils]: 37: Hoare triple {21982#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21982#true} is VALID [2020-07-28 19:04:26,200 INFO L280 TraceCheckUtils]: 38: Hoare triple {21982#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21982#true} is VALID [2020-07-28 19:04:26,200 INFO L280 TraceCheckUtils]: 39: Hoare triple {21982#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {21982#true} is VALID [2020-07-28 19:04:26,200 INFO L280 TraceCheckUtils]: 40: Hoare triple {21982#true} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {21982#true} is VALID [2020-07-28 19:04:26,202 INFO L280 TraceCheckUtils]: 41: Hoare triple {21982#true} assume !(0 != isLowWaterLevel_~tmp~3);isLowWaterLevel_~tmp___0~1 := 1; {21985#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} is VALID [2020-07-28 19:04:26,202 INFO L280 TraceCheckUtils]: 42: Hoare triple {21985#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {21986#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:04:26,203 INFO L280 TraceCheckUtils]: 43: Hoare triple {21986#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {21987#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~1))} is VALID [2020-07-28 19:04:26,204 INFO L280 TraceCheckUtils]: 44: Hoare triple {21987#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~1))} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21983#false} is VALID [2020-07-28 19:04:26,204 INFO L280 TraceCheckUtils]: 45: Hoare triple {21983#false} assume !(0 == ~pumpRunning~0); {21983#false} is VALID [2020-07-28 19:04:26,204 INFO L280 TraceCheckUtils]: 46: Hoare triple {21983#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21983#false} is VALID [2020-07-28 19:04:26,204 INFO L280 TraceCheckUtils]: 47: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21983#false} is VALID [2020-07-28 19:04:26,204 INFO L280 TraceCheckUtils]: 48: Hoare triple {21983#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 49: Hoare triple {21983#false} assume !false; {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 50: Hoare triple {21983#false} assume test_~splverifierCounter~0 < 4; {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 51: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 52: Hoare triple {21983#false} assume !(0 != test_~tmp~4); {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 53: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21983#false} is VALID [2020-07-28 19:04:26,205 INFO L280 TraceCheckUtils]: 54: Hoare triple {21983#false} assume !(0 != test_~tmp___0~2); {21983#false} is VALID [2020-07-28 19:04:26,206 INFO L280 TraceCheckUtils]: 55: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21983#false} is VALID [2020-07-28 19:04:26,206 INFO L280 TraceCheckUtils]: 56: Hoare triple {21983#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21983#false} is VALID [2020-07-28 19:04:26,206 INFO L280 TraceCheckUtils]: 57: Hoare triple {21983#false} assume 0 != ~pumpRunning~0; {21983#false} is VALID [2020-07-28 19:04:26,206 INFO L280 TraceCheckUtils]: 58: Hoare triple {21983#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21983#false} is VALID [2020-07-28 19:04:26,207 INFO L280 TraceCheckUtils]: 59: Hoare triple {21983#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21983#false} is VALID [2020-07-28 19:04:26,207 INFO L280 TraceCheckUtils]: 60: Hoare triple {21983#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {21983#false} is VALID [2020-07-28 19:04:26,207 INFO L280 TraceCheckUtils]: 61: Hoare triple {21983#false} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {21983#false} is VALID [2020-07-28 19:04:26,207 INFO L280 TraceCheckUtils]: 62: Hoare triple {21983#false} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {21983#false} is VALID [2020-07-28 19:04:26,208 INFO L280 TraceCheckUtils]: 63: Hoare triple {21983#false} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {21983#false} is VALID [2020-07-28 19:04:26,208 INFO L280 TraceCheckUtils]: 64: Hoare triple {21983#false} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {21983#false} is VALID [2020-07-28 19:04:26,208 INFO L280 TraceCheckUtils]: 65: Hoare triple {21983#false} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21983#false} is VALID [2020-07-28 19:04:26,208 INFO L280 TraceCheckUtils]: 66: Hoare triple {21983#false} assume !(0 == ~pumpRunning~0); {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 67: Hoare triple {21983#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 68: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 69: Hoare triple {21983#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 70: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 71: Hoare triple {21983#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {21983#false} is VALID [2020-07-28 19:04:26,209 INFO L280 TraceCheckUtils]: 72: Hoare triple {21983#false} assume !false; {21983#false} is VALID [2020-07-28 19:04:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-28 19:04:26,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392648555] [2020-07-28 19:04:26,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126252928] [2020-07-28 19:04:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:04:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:26,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:04:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:26,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:26,547 INFO L280 TraceCheckUtils]: 0: Hoare triple {21982#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {21982#true} is VALID [2020-07-28 19:04:26,547 INFO L280 TraceCheckUtils]: 1: Hoare triple {21982#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {21982#true} is VALID [2020-07-28 19:04:26,547 INFO L280 TraceCheckUtils]: 2: Hoare triple {21982#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; {21982#true} is VALID [2020-07-28 19:04:26,547 INFO L280 TraceCheckUtils]: 3: Hoare triple {21982#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 4: Hoare triple {21982#true} assume 0 != main_~tmp~8; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 5: Hoare triple {21982#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 6: Hoare triple {21982#true} assume !false; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 7: Hoare triple {21982#true} assume test_~splverifierCounter~0 < 4; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 8: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21982#true} is VALID [2020-07-28 19:04:26,548 INFO L280 TraceCheckUtils]: 9: Hoare triple {21982#true} assume 0 != test_~tmp~4; {21982#true} is VALID [2020-07-28 19:04:26,549 INFO L280 TraceCheckUtils]: 10: Hoare triple {21982#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {21982#true} is VALID [2020-07-28 19:04:26,549 INFO L280 TraceCheckUtils]: 11: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21982#true} is VALID [2020-07-28 19:04:26,549 INFO L280 TraceCheckUtils]: 12: Hoare triple {21982#true} assume !(0 != test_~tmp___0~2); {21982#true} is VALID [2020-07-28 19:04:26,549 INFO L280 TraceCheckUtils]: 13: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21982#true} is VALID [2020-07-28 19:04:26,549 INFO L280 TraceCheckUtils]: 14: Hoare triple {21982#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,550 INFO L280 TraceCheckUtils]: 15: Hoare triple {21982#true} assume !(0 != ~pumpRunning~0); {21982#true} is VALID [2020-07-28 19:04:26,550 INFO L280 TraceCheckUtils]: 16: Hoare triple {21982#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21982#true} is VALID [2020-07-28 19:04:26,550 INFO L280 TraceCheckUtils]: 17: Hoare triple {21982#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21982#true} is VALID [2020-07-28 19:04:26,551 INFO L280 TraceCheckUtils]: 18: Hoare triple {21982#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {21982#true} is VALID [2020-07-28 19:04:26,551 INFO L280 TraceCheckUtils]: 19: Hoare triple {21982#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {21982#true} is VALID [2020-07-28 19:04:26,551 INFO L280 TraceCheckUtils]: 20: Hoare triple {21982#true} isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret29 && isHighWaterLevel_#t~ret29 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; {21982#true} is VALID [2020-07-28 19:04:26,551 INFO L280 TraceCheckUtils]: 21: Hoare triple {21982#true} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,551 INFO L280 TraceCheckUtils]: 22: Hoare triple {21982#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {21982#true} is VALID [2020-07-28 19:04:26,552 INFO L280 TraceCheckUtils]: 23: Hoare triple {21982#true} processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret10 && processEnvironment__wrappee__highWaterSensor_#t~ret10 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; {21982#true} is VALID [2020-07-28 19:04:26,552 INFO L280 TraceCheckUtils]: 24: Hoare triple {21982#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,552 INFO L280 TraceCheckUtils]: 25: Hoare triple {21982#true} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21982#true} is VALID [2020-07-28 19:04:26,552 INFO L280 TraceCheckUtils]: 26: Hoare triple {21982#true} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21982#true} is VALID [2020-07-28 19:04:26,552 INFO L280 TraceCheckUtils]: 27: Hoare triple {21982#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {21982#true} is VALID [2020-07-28 19:04:26,553 INFO L280 TraceCheckUtils]: 28: Hoare triple {21982#true} assume !false; {21982#true} is VALID [2020-07-28 19:04:26,553 INFO L280 TraceCheckUtils]: 29: Hoare triple {21982#true} assume test_~splverifierCounter~0 < 4; {21982#true} is VALID [2020-07-28 19:04:26,553 INFO L280 TraceCheckUtils]: 30: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21982#true} is VALID [2020-07-28 19:04:26,554 INFO L280 TraceCheckUtils]: 31: Hoare triple {21982#true} assume !(0 != test_~tmp~4); {21982#true} is VALID [2020-07-28 19:04:26,554 INFO L280 TraceCheckUtils]: 32: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21982#true} is VALID [2020-07-28 19:04:26,554 INFO L280 TraceCheckUtils]: 33: Hoare triple {21982#true} assume !(0 != test_~tmp___0~2); {21982#true} is VALID [2020-07-28 19:04:26,555 INFO L280 TraceCheckUtils]: 34: Hoare triple {21982#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21982#true} is VALID [2020-07-28 19:04:26,555 INFO L280 TraceCheckUtils]: 35: Hoare triple {21982#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21982#true} is VALID [2020-07-28 19:04:26,555 INFO L280 TraceCheckUtils]: 36: Hoare triple {21982#true} assume 0 != ~pumpRunning~0; {21982#true} is VALID [2020-07-28 19:04:26,556 INFO L280 TraceCheckUtils]: 37: Hoare triple {21982#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21982#true} is VALID [2020-07-28 19:04:26,556 INFO L280 TraceCheckUtils]: 38: Hoare triple {21982#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21982#true} is VALID [2020-07-28 19:04:26,556 INFO L280 TraceCheckUtils]: 39: Hoare triple {21982#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {21982#true} is VALID [2020-07-28 19:04:26,556 INFO L280 TraceCheckUtils]: 40: Hoare triple {21982#true} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {21982#true} is VALID [2020-07-28 19:04:26,557 INFO L280 TraceCheckUtils]: 41: Hoare triple {21982#true} assume !(0 != isLowWaterLevel_~tmp~3);isLowWaterLevel_~tmp___0~1 := 1; {22114#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:26,558 INFO L280 TraceCheckUtils]: 42: Hoare triple {22114#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {22118#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:26,559 INFO L280 TraceCheckUtils]: 43: Hoare triple {22118#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {22122#(<= 1 ULTIMATE.start_processEnvironment_~tmp~1)} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 44: Hoare triple {22122#(<= 1 ULTIMATE.start_processEnvironment_~tmp~1)} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21983#false} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 45: Hoare triple {21983#false} assume !(0 == ~pumpRunning~0); {21983#false} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 46: Hoare triple {21983#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21983#false} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 47: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21983#false} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 48: Hoare triple {21983#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); {21983#false} is VALID [2020-07-28 19:04:26,560 INFO L280 TraceCheckUtils]: 49: Hoare triple {21983#false} assume !false; {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 50: Hoare triple {21983#false} assume test_~splverifierCounter~0 < 4; {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 51: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 52: Hoare triple {21983#false} assume !(0 != test_~tmp~4); {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 53: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 54: Hoare triple {21983#false} assume !(0 != test_~tmp___0~2); {21983#false} is VALID [2020-07-28 19:04:26,561 INFO L280 TraceCheckUtils]: 55: Hoare triple {21983#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {21983#false} is VALID [2020-07-28 19:04:26,562 INFO L280 TraceCheckUtils]: 56: Hoare triple {21983#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {21983#false} is VALID [2020-07-28 19:04:26,562 INFO L280 TraceCheckUtils]: 57: Hoare triple {21983#false} assume 0 != ~pumpRunning~0; {21983#false} is VALID [2020-07-28 19:04:26,562 INFO L280 TraceCheckUtils]: 58: Hoare triple {21983#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21983#false} is VALID [2020-07-28 19:04:26,563 INFO L280 TraceCheckUtils]: 59: Hoare triple {21983#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {21983#false} is VALID [2020-07-28 19:04:26,563 INFO L280 TraceCheckUtils]: 60: Hoare triple {21983#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret30, isLowWaterLevel_~retValue_acc~7, isLowWaterLevel_~tmp~3, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~7;havoc isLowWaterLevel_~tmp~3;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {21983#false} is VALID [2020-07-28 19:04:26,563 INFO L280 TraceCheckUtils]: 61: Hoare triple {21983#false} isLowWaterLevel_#t~ret30 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret30 && isLowWaterLevel_#t~ret30 <= 2147483647;isLowWaterLevel_~tmp~3 := isLowWaterLevel_#t~ret30;havoc isLowWaterLevel_#t~ret30; {21983#false} is VALID [2020-07-28 19:04:26,563 INFO L280 TraceCheckUtils]: 62: Hoare triple {21983#false} assume 0 != isLowWaterLevel_~tmp~3;isLowWaterLevel_~tmp___0~1 := 0; {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 63: Hoare triple {21983#false} isLowWaterLevel_~retValue_acc~7 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~7; {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 64: Hoare triple {21983#false} processEnvironment_#t~ret11 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret11 && processEnvironment_#t~ret11 <= 2147483647;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 65: Hoare triple {21983#false} assume !(0 != processEnvironment_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 66: Hoare triple {21983#false} assume !(0 == ~pumpRunning~0); {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 67: Hoare triple {21983#false} havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {21983#false} is VALID [2020-07-28 19:04:26,564 INFO L280 TraceCheckUtils]: 68: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {21983#false} is VALID [2020-07-28 19:04:26,565 INFO L280 TraceCheckUtils]: 69: Hoare triple {21983#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {21983#false} is VALID [2020-07-28 19:04:26,565 INFO L280 TraceCheckUtils]: 70: Hoare triple {21983#false} __utac_acc__Specification4_spec__1_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret73 && __utac_acc__Specification4_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; {21983#false} is VALID [2020-07-28 19:04:26,565 INFO L280 TraceCheckUtils]: 71: Hoare triple {21983#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {21983#false} is VALID [2020-07-28 19:04:26,566 INFO L280 TraceCheckUtils]: 72: Hoare triple {21983#false} assume !false; {21983#false} is VALID [2020-07-28 19:04:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 19:04:26,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:04:26,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 19:04:26,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982628972] [2020-07-28 19:04:26,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:26,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:26,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:26,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:26,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:26,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:26,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:26,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:26,634 INFO L87 Difference]: Start difference. First operand 369 states and 488 transitions. Second operand 5 states. [2020-07-28 19:04:28,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,223 INFO L93 Difference]: Finished difference Result 676 states and 887 transitions. [2020-07-28 19:04:28,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:28,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 193 transitions. [2020-07-28 19:04:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 193 transitions. [2020-07-28 19:04:28,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 193 transitions. [2020-07-28 19:04:28,445 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:28,446 INFO L225 Difference]: With dead ends: 676 [2020-07-28 19:04:28,446 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:04:28,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:04:28,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:04:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:04:28,448 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:28,448 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:28,448 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:28,448 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,448 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:28,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:28,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:28,449 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:28,449 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:28,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:28,449 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:28,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:28,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:28,450 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:28,450 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:04:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:04:28,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-07-28 19:04:28,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:28,450 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:04:28,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:28,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:28,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-28 19:04:28,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:04:29,208 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 162 [2020-07-28 19:04:29,369 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2020-07-28 19:04:29,761 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 174 [2020-07-28 19:04:30,088 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 169 [2020-07-28 19:04:30,403 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 169 [2020-07-28 19:04:30,534 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 109 [2020-07-28 19:04:30,897 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 168 [2020-07-28 19:04:31,229 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 128 [2020-07-28 19:04:32,563 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2020-07-28 19:04:32,685 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2020-07-28 19:04:33,184 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2020-07-28 19:04:34,198 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2020-07-28 19:04:35,355 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-07-28 19:04:36,463 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-07-28 19:04:36,995 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2020-07-28 19:04:37,328 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2020-07-28 19:04:38,660 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2020-07-28 19:04:38,772 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2020-07-28 19:04:39,095 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 13 [2020-07-28 19:04:39,668 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 25 [2020-07-28 19:04:39,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,678 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-28 19:04:39,679 INFO L264 CegarLoopResult]: At program point L400-1(lines 400 406) the Hoare annotation is: (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse3) (and .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse4))) [2020-07-28 19:04:39,679 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,679 INFO L268 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,679 INFO L264 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_processEnvironment_~tmp~1) (= 0 ~pumpRunning~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,679 INFO L268 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,680 INFO L264 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:39,680 INFO L268 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,680 INFO L264 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2020-07-28 19:04:39,680 INFO L268 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,680 INFO L264 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2020-07-28 19:04:39,680 INFO L268 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2020-07-28 19:04:39,680 INFO L264 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2020-07-28 19:04:39,680 INFO L264 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2020-07-28 19:04:39,681 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-28 19:04:39,681 INFO L268 CegarLoopResult]: For program point L830-1(lines 166 172) no Hoare annotation was computed. [2020-07-28 19:04:39,681 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse5) (and .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:39,681 INFO L264 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2020-07-28 19:04:39,681 INFO L264 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2020-07-28 19:04:39,682 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-28 19:04:39,682 INFO L264 CegarLoopResult]: At program point L966-1(lines 1 982) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse5 .cse7))) [2020-07-28 19:04:39,682 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-28 19:04:39,683 INFO L268 CegarLoopResult]: For program point L966-2(lines 966 979) no Hoare annotation was computed. [2020-07-28 19:04:39,683 INFO L264 CegarLoopResult]: At program point L966-3(lines 1 982) the Hoare annotation is: false [2020-07-28 19:04:39,683 INFO L271 CegarLoopResult]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2020-07-28 19:04:39,683 INFO L268 CegarLoopResult]: For program point L966-4(lines 966 979) no Hoare annotation was computed. [2020-07-28 19:04:39,683 INFO L264 CegarLoopResult]: At program point L966-5(lines 1 982) the Hoare annotation is: false [2020-07-28 19:04:39,684 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,684 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: false [2020-07-28 19:04:39,685 INFO L264 CegarLoopResult]: At program point L936(lines 1 982) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,685 INFO L268 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-07-28 19:04:39,686 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-28 19:04:39,686 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 976) no Hoare annotation was computed. [2020-07-28 19:04:39,686 INFO L268 CegarLoopResult]: For program point L970-4(lines 970 976) no Hoare annotation was computed. [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L277(lines 272 280) the Hoare annotation is: false [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2020-07-28 19:04:39,687 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L410-1(lines 410 416) the Hoare annotation is: (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse3) (and .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse4))) [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2020-07-28 19:04:39,687 INFO L264 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345-3(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345-5(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345-6(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point L345-8(lines 345 349) no Hoare annotation was computed. [2020-07-28 19:04:39,688 INFO L264 CegarLoopResult]: At program point L874(lines 870 876) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,688 INFO L271 CegarLoopResult]: At program point L909(lines 890 912) the Hoare annotation is: true [2020-07-28 19:04:39,688 INFO L264 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,689 INFO L264 CegarLoopResult]: At program point L351(lines 336 354) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,689 INFO L264 CegarLoopResult]: At program point L351-1(lines 336 354) the Hoare annotation is: false [2020-07-28 19:04:39,689 INFO L264 CegarLoopResult]: At program point L351-2(lines 336 354) the Hoare annotation is: false [2020-07-28 19:04:39,689 INFO L268 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-07-28 19:04:39,689 INFO L268 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-07-28 19:04:39,689 INFO L268 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-07-28 19:04:39,689 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L264 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4 .cse6))) [2020-07-28 19:04:39,690 INFO L264 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-07-28 19:04:39,690 INFO L264 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,690 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L953-1(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L953-2(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L264 CegarLoopResult]: At program point L359-1(lines 359 365) 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 19:04:39,691 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,691 INFO L268 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2020-07-28 19:04:39,692 INFO L268 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L264 CegarLoopResult]: At program point L428-1(lines 166 172) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse5) (and .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,693 INFO L268 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L268 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2020-07-28 19:04:39,694 INFO L264 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: false [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0)))) [2020-07-28 19:04:39,695 INFO L268 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2020-07-28 19:04:39,695 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~2) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_processEnvironment_~tmp~1) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~2) .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2))) [2020-07-28 19:04:39,695 INFO L264 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2020-07-28 19:04:39,696 INFO L264 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2020-07-28 19:04:39,696 INFO L264 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2020-07-28 19:04:39,696 INFO L264 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2020-07-28 19:04:39,699 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:04:39,700 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:04:39,700 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:04:39,700 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:04:39,701 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:39,702 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L392 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L54-3 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L54-3 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L224-1 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L400 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L400 has no Hoare annotation [2020-07-28 19:04:39,703 WARN L170 areAnnotationChecker]: L224-1 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L224-1 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L345-3 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L198-3 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L198-3 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L966-2 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:04:39,704 WARN L170 areAnnotationChecker]: L345-3 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L345-3 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L131-3 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L131-3 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L966-2 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L966-2 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L345-5 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L326-9 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L970-2 has no Hoare annotation [2020-07-28 19:04:39,705 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L228-1 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L326-9 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L326-9 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L970-2 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L970-2 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-28 19:04:39,706 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L228-1 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L228-1 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L326-11 has no Hoare annotation [2020-07-28 19:04:39,707 WARN L170 areAnnotationChecker]: L953-1 has no Hoare annotation [2020-07-28 19:04:39,708 WARN L170 areAnnotationChecker]: L953-1 has no Hoare annotation [2020-07-28 19:04:39,708 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-28 19:04:39,708 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 19:04:39,708 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 19:04:39,708 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 19:04:39,709 WARN L170 areAnnotationChecker]: L359 has no Hoare annotation [2020-07-28 19:04:39,709 WARN L170 areAnnotationChecker]: L359 has no Hoare annotation [2020-07-28 19:04:39,709 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2020-07-28 19:04:39,709 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2020-07-28 19:04:39,710 WARN L170 areAnnotationChecker]: L202-3 has no Hoare annotation [2020-07-28 19:04:39,710 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 19:04:39,710 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 19:04:39,710 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 19:04:39,710 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 19:04:39,711 WARN L170 areAnnotationChecker]: L131-2 has no Hoare annotation [2020-07-28 19:04:39,711 WARN L170 areAnnotationChecker]: L131-2 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L202-3 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L202-3 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L830-1 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L830-1 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L966 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L326-6 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L54-6 has no Hoare annotation [2020-07-28 19:04:39,712 WARN L170 areAnnotationChecker]: L54-6 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L224-2 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L966 has no Hoare annotation [2020-07-28 19:04:39,713 WARN L170 areAnnotationChecker]: L966 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L326-6 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L326-6 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L224-2 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L224-2 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L345-2 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L326-3 has no Hoare annotation [2020-07-28 19:04:39,714 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L326-8 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L345-6 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L198-5 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L198-5 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L966-4 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L326-3 has no Hoare annotation [2020-07-28 19:04:39,715 WARN L170 areAnnotationChecker]: L326-3 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L202-2 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L345-6 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L345-6 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L131-5 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L131-5 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L966-4 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L966-4 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:04:39,716 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L326-5 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L953 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L953 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L202-2 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L202-2 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L345-8 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L326-15 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L970-4 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:04:39,717 WARN L170 areAnnotationChecker]: L202-1 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L228-2 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L326-15 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L326-15 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L970-4 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L970-4 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L202-1 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L202-1 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L228-2 has no Hoare annotation [2020-07-28 19:04:39,718 WARN L170 areAnnotationChecker]: L228-2 has no Hoare annotation [2020-07-28 19:04:39,719 WARN L170 areAnnotationChecker]: L326-17 has no Hoare annotation [2020-07-28 19:04:39,719 WARN L170 areAnnotationChecker]: L953-2 has no Hoare annotation [2020-07-28 19:04:39,719 WARN L170 areAnnotationChecker]: L953-2 has no Hoare annotation [2020-07-28 19:04:39,719 WARN L170 areAnnotationChecker]: L326 has no Hoare annotation [2020-07-28 19:04:39,719 WARN L170 areAnnotationChecker]: L198-4 has no Hoare annotation [2020-07-28 19:04:39,720 WARN L170 areAnnotationChecker]: L198-4 has no Hoare annotation [2020-07-28 19:04:39,720 WARN L170 areAnnotationChecker]: L202-5 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L326 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L326 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L131-4 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L131-4 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L202-5 has no Hoare annotation [2020-07-28 19:04:39,721 WARN L170 areAnnotationChecker]: L202-5 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L326-2 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L326-12 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L326-12 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L326-12 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-28 19:04:39,722 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-28 19:04:39,723 WARN L170 areAnnotationChecker]: L326-14 has no Hoare annotation [2020-07-28 19:04:39,723 WARN L170 areAnnotationChecker]: L202-4 has no Hoare annotation [2020-07-28 19:04:39,723 WARN L170 areAnnotationChecker]: L202-4 has no Hoare annotation [2020-07-28 19:04:39,723 WARN L170 areAnnotationChecker]: L202-4 has no Hoare annotation [2020-07-28 19:04:39,723 INFO L163 areAnnotationChecker]: CFG has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:04:39,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:04:39 BoogieIcfgContainer [2020-07-28 19:04:39,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:04:39,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:04:39,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:04:39,752 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:04:39,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56" (3/4) ... [2020-07-28 19:04:39,757 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:04:39,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:04:39,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:04:39,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:04:39,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:04:39,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:04:39,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:39,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:39,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) || (((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) [2020-07-28 19:04:39,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) [2020-07-28 19:04:39,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) [2020-07-28 19:04:39,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 0 == systemActive) && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 1 <= \result) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:39,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive [2020-07-28 19:04:39,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:39,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive [2020-07-28 19:04:39,821 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive) [2020-07-28 19:04:39,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 1 == \result) && 0 == splverifierCounter) && 0 == tmp) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:04:39,823 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == \result && 0 == \result) && 1 == tmp) && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 0 == tmp___0) && 1 == systemActive [2020-07-28 19:04:39,886 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:04:39,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:04:39,889 INFO L168 Benchmark]: Toolchain (without parser) took 46185.20 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 716.7 MB). Free memory was 954.9 MB in the beginning and 966.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 704.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,889 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:39,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,890 INFO L168 Benchmark]: Boogie Preprocessor took 97.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,891 INFO L168 Benchmark]: RCFGBuilder took 1669.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,891 INFO L168 Benchmark]: TraceAbstraction took 43403.91 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 574.1 MB). Free memory was 941.2 MB in the beginning and 984.3 MB in the end (delta: -43.2 MB). Peak memory consumption was 530.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,891 INFO L168 Benchmark]: Witness Printer took 134.75 ms. Allocated memory is still 1.7 GB. Free memory was 984.3 MB in the beginning and 966.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:39,894 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 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 766.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1669.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43403.91 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 574.1 MB). Free memory was 941.2 MB in the beginning and 984.3 MB in the end (delta: -43.2 MB). Peak memory consumption was 530.9 MB. Max. memory is 11.5 GB. * Witness Printer took 134.75 ms. Allocated memory is still 1.7 GB. Free memory was 984.3 MB in the beginning and 966.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((((1 == \result && 0 == \result) && 1 == tmp) && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp) && 0 == tmp___0) && 1 == systemActive - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == systemActive) && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 1 <= \result) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((0 == \result && 1 == \result) && 0 == splverifierCounter) && 0 == tmp) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) || (((((0 == splverifierCounter && 1 <= \result) && 0 == systemActive) && 0 == pumpRunning) && 1 <= tmp) && 1 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.2s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 22.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1544 SDtfs, 2451 SDslu, 2878 SDs, 0 SdLazy, 397 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 1989 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 167 NumberOfFragments, 620 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2726748 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 686877 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 703 NumberOfCodeBlocks, 703 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 52619 SizeOfPredicates, 8 NumberOfNonLiveVariables, 865 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 231/245 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...