./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product49.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_product49.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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:03:48,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:48,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:48,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:48,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:48,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:48,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:48,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:48,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:48,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:48,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:48,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:48,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:48,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:48,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:48,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:48,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:48,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:48,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:48,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:48,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:48,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:48,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:48,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:48,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:48,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:48,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:48,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:48,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:48,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:48,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:48,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:48,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:48,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:48,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:48,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:48,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:48,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:48,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:48,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:48,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:48,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:48,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:48,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:48,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:48,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:48,246 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:48,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:48,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:48,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:48,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:48,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:48,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:48,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:48,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:48,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:48,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:48,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:48,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:48,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:48,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:48,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:48,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:48,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:48,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:48,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:48,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:48,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:48,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:48,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:48,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:48,257 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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2020-07-28 19:03:48,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:48,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:48,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:48,612 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:48,614 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:48,615 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2020-07-28 19:03:48,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb8b9859/eb08f507cb4949c5b9892533d0d268b7/FLAG33d9e9ef5 [2020-07-28 19:03:49,170 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:49,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2020-07-28 19:03:49,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb8b9859/eb08f507cb4949c5b9892533d0d268b7/FLAG33d9e9ef5 [2020-07-28 19:03:49,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb8b9859/eb08f507cb4949c5b9892533d0d268b7 [2020-07-28 19:03:49,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:49,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:49,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:49,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:49,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:49,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:49" (1/1) ... [2020-07-28 19:03:49,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0bc512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:49, skipping insertion in model container [2020-07-28 19:03:49,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:49" (1/1) ... [2020-07-28 19:03:49,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:49,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:49,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:50,014 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:50,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:50,157 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:50,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50 WrapperNode [2020-07-28 19:03:50,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:50,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:50,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:50,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:50,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:50,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:50,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:50,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:50,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (1/1) ... [2020-07-28 19:03:50,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:50,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:50,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:50,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:50,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (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 19:03:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:51,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:51,881 INFO L295 CfgBuilder]: Removed 156 assume(true) statements. [2020-07-28 19:03:51,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:51 BoogieIcfgContainer [2020-07-28 19:03:51,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:51,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:51,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:51,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:51,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:49" (1/3) ... [2020-07-28 19:03:51,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e14c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:51, skipping insertion in model container [2020-07-28 19:03:51,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:50" (2/3) ... [2020-07-28 19:03:51,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e14c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:51, skipping insertion in model container [2020-07-28 19:03:51,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:51" (3/3) ... [2020-07-28 19:03:51,895 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-07-28 19:03:51,906 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:51,913 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:51,927 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:51,952 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:51,952 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:51,953 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:51,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:51,953 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:51,954 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:51,954 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:51,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-07-28 19:03:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:51,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:51,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:51,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:51,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2020-07-28 19:03:51,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:51,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670011662] [2020-07-28 19:03:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:52,306 INFO L280 TraceCheckUtils]: 0: Hoare triple {120#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {120#true} is VALID [2020-07-28 19:03:52,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {120#true} is VALID [2020-07-28 19:03:52,307 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {120#true} is VALID [2020-07-28 19:03:52,308 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {120#true} is VALID [2020-07-28 19:03:52,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} assume 0 != main_~tmp~0; {120#true} is VALID [2020-07-28 19:03:52,309 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {120#true} is VALID [2020-07-28 19:03:52,310 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} assume false; {121#false} is VALID [2020-07-28 19:03:52,311 INFO L280 TraceCheckUtils]: 7: Hoare triple {121#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {121#false} is VALID [2020-07-28 19:03:52,311 INFO L280 TraceCheckUtils]: 8: Hoare triple {121#false} assume !(0 != ~pumpRunning~0); {121#false} is VALID [2020-07-28 19:03:52,312 INFO L280 TraceCheckUtils]: 9: Hoare triple {121#false} assume !(0 != ~systemActive~0); {121#false} is VALID [2020-07-28 19:03:52,312 INFO L280 TraceCheckUtils]: 10: Hoare triple {121#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {121#false} is VALID [2020-07-28 19:03:52,313 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {121#false} is VALID [2020-07-28 19:03:52,313 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {121#false} is VALID [2020-07-28 19:03:52,313 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {121#false} is VALID [2020-07-28 19:03:52,314 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {121#false} is VALID [2020-07-28 19:03:52,314 INFO L280 TraceCheckUtils]: 15: Hoare triple {121#false} assume !false; {121#false} is VALID [2020-07-28 19:03:52,318 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 19:03:52,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670011662] [2020-07-28 19:03:52,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:52,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:52,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685676079] [2020-07-28 19:03:52,327 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:52,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:52,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:52,374 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 19:03:52,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:52,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:52,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:52,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:52,387 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-07-28 19:03:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:52,717 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-07-28 19:03:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:52,718 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:52,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2020-07-28 19:03:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2020-07-28 19:03:52,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 347 transitions. [2020-07-28 19:03:53,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 347 edges. 347 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:53,211 INFO L225 Difference]: With dead ends: 228 [2020-07-28 19:03:53,211 INFO L226 Difference]: Without dead ends: 113 [2020-07-28 19:03:53,218 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 19:03:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-28 19:03:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-07-28 19:03:53,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:53,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 113 states. [2020-07-28 19:03:53,285 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-28 19:03:53,285 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-28 19:03:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:53,294 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 19:03:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 19:03:53,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:53,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:53,296 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-28 19:03:53,296 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-28 19:03:53,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:53,305 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 19:03:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 19:03:53,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:53,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:53,309 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:53,310 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-07-28 19:03:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-07-28 19:03:53,319 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2020-07-28 19:03:53,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:53,319 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-07-28 19:03:53,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 19:03:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:53,321 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:53,321 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 19:03:53,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:53,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:53,323 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2020-07-28 19:03:53,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:53,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770626331] [2020-07-28 19:03:53,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:53,538 INFO L280 TraceCheckUtils]: 0: Hoare triple {812#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {812#true} is VALID [2020-07-28 19:03:53,539 INFO L280 TraceCheckUtils]: 1: Hoare triple {812#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {812#true} is VALID [2020-07-28 19:03:53,539 INFO L280 TraceCheckUtils]: 2: Hoare triple {812#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {812#true} is VALID [2020-07-28 19:03:53,540 INFO L280 TraceCheckUtils]: 3: Hoare triple {812#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {812#true} is VALID [2020-07-28 19:03:53,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {812#true} assume 0 != main_~tmp~0; {812#true} is VALID [2020-07-28 19:03:53,541 INFO L280 TraceCheckUtils]: 5: Hoare triple {812#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {814#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:53,542 INFO L280 TraceCheckUtils]: 6: Hoare triple {814#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {814#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:53,543 INFO L280 TraceCheckUtils]: 7: Hoare triple {814#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {813#false} is VALID [2020-07-28 19:03:53,544 INFO L280 TraceCheckUtils]: 8: Hoare triple {813#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {813#false} is VALID [2020-07-28 19:03:53,544 INFO L280 TraceCheckUtils]: 9: Hoare triple {813#false} assume !(0 != ~pumpRunning~0); {813#false} is VALID [2020-07-28 19:03:53,544 INFO L280 TraceCheckUtils]: 10: Hoare triple {813#false} assume !(0 != ~systemActive~0); {813#false} is VALID [2020-07-28 19:03:53,544 INFO L280 TraceCheckUtils]: 11: Hoare triple {813#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {813#false} is VALID [2020-07-28 19:03:53,545 INFO L280 TraceCheckUtils]: 12: Hoare triple {813#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {813#false} is VALID [2020-07-28 19:03:53,545 INFO L280 TraceCheckUtils]: 13: Hoare triple {813#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {813#false} is VALID [2020-07-28 19:03:53,545 INFO L280 TraceCheckUtils]: 14: Hoare triple {813#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {813#false} is VALID [2020-07-28 19:03:53,545 INFO L280 TraceCheckUtils]: 15: Hoare triple {813#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {813#false} is VALID [2020-07-28 19:03:53,546 INFO L280 TraceCheckUtils]: 16: Hoare triple {813#false} assume !false; {813#false} is VALID [2020-07-28 19:03:53,547 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 19:03:53,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770626331] [2020-07-28 19:03:53,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:53,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:53,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198249209] [2020-07-28 19:03:53,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:53,550 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:53,550 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:53,576 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 19:03:53,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:53,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:53,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:53,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:53,578 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-07-28 19:03:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:53,830 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 19:03:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:53,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:53,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:03:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:03:53,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 19:03:54,041 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:54,044 INFO L225 Difference]: With dead ends: 113 [2020-07-28 19:03:54,045 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 19:03:54,047 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 19:03:54,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 19:03:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 19:03:54,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:54,069 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,069 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,069 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,072 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 19:03:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:54,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:54,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:54,073 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,073 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,076 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 19:03:54,076 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:54,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:54,077 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:54,077 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:54,077 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 19:03:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 19:03:54,080 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-07-28 19:03:54,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:54,080 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 19:03:54,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:54,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:54,081 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 19:03:54,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:54,082 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:54,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:54,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2020-07-28 19:03:54,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:54,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407072174] [2020-07-28 19:03:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:54,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {1127#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {1129#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {1129#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,210 INFO L280 TraceCheckUtils]: 3: Hoare triple {1129#(= 1 ~systemActive~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,210 INFO L280 TraceCheckUtils]: 4: Hoare triple {1129#(= 1 ~systemActive~0)} assume 0 != main_~tmp~0; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,211 INFO L280 TraceCheckUtils]: 5: Hoare triple {1129#(= 1 ~systemActive~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,212 INFO L280 TraceCheckUtils]: 6: Hoare triple {1129#(= 1 ~systemActive~0)} assume !false; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,212 INFO L280 TraceCheckUtils]: 7: Hoare triple {1129#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,213 INFO L280 TraceCheckUtils]: 8: Hoare triple {1129#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,214 INFO L280 TraceCheckUtils]: 9: Hoare triple {1129#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~5); {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,214 INFO L280 TraceCheckUtils]: 10: Hoare triple {1129#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,215 INFO L280 TraceCheckUtils]: 11: Hoare triple {1129#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~2); {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,216 INFO L280 TraceCheckUtils]: 12: Hoare triple {1129#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,216 INFO L280 TraceCheckUtils]: 13: Hoare triple {1129#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,217 INFO L280 TraceCheckUtils]: 14: Hoare triple {1129#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1129#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:54,218 INFO L280 TraceCheckUtils]: 15: Hoare triple {1129#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1128#false} is VALID [2020-07-28 19:03:54,218 INFO L280 TraceCheckUtils]: 16: Hoare triple {1128#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {1128#false} is VALID [2020-07-28 19:03:54,219 INFO L280 TraceCheckUtils]: 17: Hoare triple {1128#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {1128#false} is VALID [2020-07-28 19:03:54,219 INFO L280 TraceCheckUtils]: 18: Hoare triple {1128#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1128#false} is VALID [2020-07-28 19:03:54,219 INFO L280 TraceCheckUtils]: 19: Hoare triple {1128#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {1128#false} is VALID [2020-07-28 19:03:54,220 INFO L280 TraceCheckUtils]: 20: Hoare triple {1128#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1128#false} is VALID [2020-07-28 19:03:54,220 INFO L280 TraceCheckUtils]: 21: Hoare triple {1128#false} assume !false; {1128#false} is VALID [2020-07-28 19:03:54,222 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 19:03:54,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407072174] [2020-07-28 19:03:54,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:54,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:54,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548432713] [2020-07-28 19:03:54,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:54,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:54,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:54,263 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 19:03:54,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:54,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:54,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:54,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:54,264 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-07-28 19:03:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,398 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-07-28 19:03:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:54,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:54,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 130 transitions. [2020-07-28 19:03:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 130 transitions. [2020-07-28 19:03:54,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 130 transitions. [2020-07-28 19:03:54,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:54,575 INFO L225 Difference]: With dead ends: 88 [2020-07-28 19:03:54,575 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 19:03:54,579 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 19:03:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 19:03:54,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 19:03:54,606 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:54,606 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,607 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,607 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,610 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 19:03:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 19:03:54,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:54,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:54,611 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,611 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:54,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,613 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 19:03:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 19:03:54,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:54,614 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:54,614 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:54,614 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 19:03:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-07-28 19:03:54,616 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2020-07-28 19:03:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:54,616 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-07-28 19:03:54,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 19:03:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:54,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:54,618 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 19:03:54,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:54,618 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:54,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:54,618 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2020-07-28 19:03:54,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:54,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006412837] [2020-07-28 19:03:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:54,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {1406#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,755 INFO L280 TraceCheckUtils]: 1: Hoare triple {1408#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,756 INFO L280 TraceCheckUtils]: 2: Hoare triple {1408#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,757 INFO L280 TraceCheckUtils]: 3: Hoare triple {1408#(= 0 ~pumpRunning~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,757 INFO L280 TraceCheckUtils]: 4: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,760 INFO L280 TraceCheckUtils]: 5: Hoare triple {1408#(= 0 ~pumpRunning~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,761 INFO L280 TraceCheckUtils]: 6: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !false; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,762 INFO L280 TraceCheckUtils]: 7: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,763 INFO L280 TraceCheckUtils]: 8: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,764 INFO L280 TraceCheckUtils]: 9: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,765 INFO L280 TraceCheckUtils]: 11: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,766 INFO L280 TraceCheckUtils]: 12: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,766 INFO L280 TraceCheckUtils]: 13: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,767 INFO L280 TraceCheckUtils]: 14: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,767 INFO L280 TraceCheckUtils]: 15: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,768 INFO L280 TraceCheckUtils]: 16: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1408#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:54,769 INFO L280 TraceCheckUtils]: 17: Hoare triple {1408#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1407#false} is VALID [2020-07-28 19:03:54,769 INFO L280 TraceCheckUtils]: 18: Hoare triple {1407#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {1407#false} is VALID [2020-07-28 19:03:54,769 INFO L280 TraceCheckUtils]: 19: Hoare triple {1407#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {1407#false} is VALID [2020-07-28 19:03:54,769 INFO L280 TraceCheckUtils]: 20: Hoare triple {1407#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1407#false} is VALID [2020-07-28 19:03:54,770 INFO L280 TraceCheckUtils]: 21: Hoare triple {1407#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {1407#false} is VALID [2020-07-28 19:03:54,770 INFO L280 TraceCheckUtils]: 22: Hoare triple {1407#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1407#false} is VALID [2020-07-28 19:03:54,770 INFO L280 TraceCheckUtils]: 23: Hoare triple {1407#false} assume !false; {1407#false} is VALID [2020-07-28 19:03:54,771 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 19:03:54,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006412837] [2020-07-28 19:03:54,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:54,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:54,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531737552] [2020-07-28 19:03:54,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:54,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:54,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:54,803 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 19:03:54,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:54,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:54,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:54,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:54,804 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-07-28 19:03:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:55,008 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2020-07-28 19:03:55,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:55,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 19:03:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 19:03:55,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 158 transitions. [2020-07-28 19:03:55,182 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:55,183 INFO L225 Difference]: With dead ends: 109 [2020-07-28 19:03:55,184 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 19:03:55,184 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 19:03:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 19:03:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-28 19:03:55,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:55,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-28 19:03:55,221 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-28 19:03:55,221 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-28 19:03:55,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:55,224 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-28 19:03:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-28 19:03:55,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:55,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:55,225 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-28 19:03:55,225 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-28 19:03:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:55,227 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-28 19:03:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-28 19:03:55,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:55,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:55,228 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:55,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-28 19:03:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2020-07-28 19:03:55,231 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2020-07-28 19:03:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:55,231 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2020-07-28 19:03:55,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-07-28 19:03:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:03:55,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:55,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:55,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:55,233 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:55,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2020-07-28 19:03:55,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:55,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490343050] [2020-07-28 19:03:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:55,305 INFO L280 TraceCheckUtils]: 0: Hoare triple {1781#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1781#true} is VALID [2020-07-28 19:03:55,305 INFO L280 TraceCheckUtils]: 1: Hoare triple {1781#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1781#true} is VALID [2020-07-28 19:03:55,305 INFO L280 TraceCheckUtils]: 2: Hoare triple {1781#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1781#true} is VALID [2020-07-28 19:03:55,306 INFO L280 TraceCheckUtils]: 3: Hoare triple {1781#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1781#true} is VALID [2020-07-28 19:03:55,306 INFO L280 TraceCheckUtils]: 4: Hoare triple {1781#true} assume 0 != main_~tmp~0; {1781#true} is VALID [2020-07-28 19:03:55,306 INFO L280 TraceCheckUtils]: 5: Hoare triple {1781#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1781#true} is VALID [2020-07-28 19:03:55,306 INFO L280 TraceCheckUtils]: 6: Hoare triple {1781#true} assume !false; {1781#true} is VALID [2020-07-28 19:03:55,307 INFO L280 TraceCheckUtils]: 7: Hoare triple {1781#true} assume test_~splverifierCounter~0 < 4; {1781#true} is VALID [2020-07-28 19:03:55,307 INFO L280 TraceCheckUtils]: 8: Hoare triple {1781#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {1781#true} is VALID [2020-07-28 19:03:55,307 INFO L280 TraceCheckUtils]: 9: Hoare triple {1781#true} assume !(0 != test_~tmp~5); {1781#true} is VALID [2020-07-28 19:03:55,307 INFO L280 TraceCheckUtils]: 10: Hoare triple {1781#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {1781#true} is VALID [2020-07-28 19:03:55,308 INFO L280 TraceCheckUtils]: 11: Hoare triple {1781#true} assume !(0 != test_~tmp___0~2); {1781#true} is VALID [2020-07-28 19:03:55,308 INFO L280 TraceCheckUtils]: 12: Hoare triple {1781#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {1781#true} is VALID [2020-07-28 19:03:55,308 INFO L280 TraceCheckUtils]: 13: Hoare triple {1781#true} assume 0 != test_~tmp___2~0; {1781#true} is VALID [2020-07-28 19:03:55,308 INFO L280 TraceCheckUtils]: 14: Hoare triple {1781#true} assume !(0 != ~pumpRunning~0); {1781#true} is VALID [2020-07-28 19:03:55,309 INFO L280 TraceCheckUtils]: 15: Hoare triple {1781#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1781#true} is VALID [2020-07-28 19:03:55,309 INFO L280 TraceCheckUtils]: 16: Hoare triple {1781#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1781#true} is VALID [2020-07-28 19:03:55,309 INFO L280 TraceCheckUtils]: 17: Hoare triple {1781#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {1781#true} is VALID [2020-07-28 19:03:55,310 INFO L280 TraceCheckUtils]: 18: Hoare triple {1781#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {1781#true} is VALID [2020-07-28 19:03:55,310 INFO L280 TraceCheckUtils]: 19: Hoare triple {1781#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {1781#true} is VALID [2020-07-28 19:03:55,313 INFO L280 TraceCheckUtils]: 20: Hoare triple {1781#true} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; {1783#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 19:03:55,314 INFO L280 TraceCheckUtils]: 21: Hoare triple {1783#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {1784#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:03:55,314 INFO L280 TraceCheckUtils]: 22: Hoare triple {1784#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {1785#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} is VALID [2020-07-28 19:03:55,315 INFO L280 TraceCheckUtils]: 23: Hoare triple {1785#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {1782#false} is VALID [2020-07-28 19:03:55,315 INFO L280 TraceCheckUtils]: 24: Hoare triple {1782#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {1782#false} is VALID [2020-07-28 19:03:55,316 INFO L280 TraceCheckUtils]: 25: Hoare triple {1782#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {1782#false} is VALID [2020-07-28 19:03:55,316 INFO L280 TraceCheckUtils]: 26: Hoare triple {1782#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1782#false} is VALID [2020-07-28 19:03:55,316 INFO L280 TraceCheckUtils]: 27: Hoare triple {1782#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {1782#false} is VALID [2020-07-28 19:03:55,316 INFO L280 TraceCheckUtils]: 28: Hoare triple {1782#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1782#false} is VALID [2020-07-28 19:03:55,317 INFO L280 TraceCheckUtils]: 29: Hoare triple {1782#false} assume !false; {1782#false} is VALID [2020-07-28 19:03:55,318 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 19:03:55,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490343050] [2020-07-28 19:03:55,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:55,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:55,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899709938] [2020-07-28 19:03:55,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:03:55,319 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:55,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:55,353 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:55,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:55,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:55,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:55,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:55,354 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2020-07-28 19:03:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:55,964 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2020-07-28 19:03:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:55,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:03:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2020-07-28 19:03:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2020-07-28 19:03:55,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 191 transitions. [2020-07-28 19:03:56,204 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:56,208 INFO L225 Difference]: With dead ends: 175 [2020-07-28 19:03:56,208 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 19:03:56,209 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 19:03:56,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 19:03:56,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2020-07-28 19:03:56,279 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:56,279 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 72 states. [2020-07-28 19:03:56,279 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 72 states. [2020-07-28 19:03:56,279 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 72 states. [2020-07-28 19:03:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:56,284 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 19:03:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 19:03:56,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:56,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:56,285 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 115 states. [2020-07-28 19:03:56,285 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 115 states. [2020-07-28 19:03:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:56,290 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 19:03:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 19:03:56,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:56,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:56,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:56,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 19:03:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-07-28 19:03:56,294 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2020-07-28 19:03:56,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:56,294 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-07-28 19:03:56,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-07-28 19:03:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:03:56,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:56,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:56,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:56,296 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:56,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:56,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2020-07-28 19:03:56,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:56,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508433152] [2020-07-28 19:03:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:56,402 INFO L280 TraceCheckUtils]: 0: Hoare triple {2355#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,403 INFO L280 TraceCheckUtils]: 1: Hoare triple {2357#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,403 INFO L280 TraceCheckUtils]: 2: Hoare triple {2357#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,404 INFO L280 TraceCheckUtils]: 3: Hoare triple {2357#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,405 INFO L280 TraceCheckUtils]: 4: Hoare triple {2357#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,405 INFO L280 TraceCheckUtils]: 5: Hoare triple {2357#(= 1 ~waterLevel~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,406 INFO L280 TraceCheckUtils]: 6: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !false; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,406 INFO L280 TraceCheckUtils]: 7: Hoare triple {2357#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,407 INFO L280 TraceCheckUtils]: 8: Hoare triple {2357#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,408 INFO L280 TraceCheckUtils]: 9: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~5); {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,408 INFO L280 TraceCheckUtils]: 10: Hoare triple {2357#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,410 INFO L280 TraceCheckUtils]: 11: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,413 INFO L280 TraceCheckUtils]: 12: Hoare triple {2357#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,417 INFO L280 TraceCheckUtils]: 13: Hoare triple {2357#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,418 INFO L280 TraceCheckUtils]: 14: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,418 INFO L280 TraceCheckUtils]: 15: Hoare triple {2357#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,419 INFO L280 TraceCheckUtils]: 16: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,420 INFO L280 TraceCheckUtils]: 17: Hoare triple {2357#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,421 INFO L280 TraceCheckUtils]: 18: Hoare triple {2357#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,421 INFO L280 TraceCheckUtils]: 19: Hoare triple {2357#(= 1 ~waterLevel~0)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,422 INFO L280 TraceCheckUtils]: 20: Hoare triple {2357#(= 1 ~waterLevel~0)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,423 INFO L280 TraceCheckUtils]: 21: Hoare triple {2357#(= 1 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,423 INFO L280 TraceCheckUtils]: 22: Hoare triple {2357#(= 1 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,424 INFO L280 TraceCheckUtils]: 23: Hoare triple {2357#(= 1 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {2357#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:56,425 INFO L280 TraceCheckUtils]: 24: Hoare triple {2357#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {2358#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:56,426 INFO L280 TraceCheckUtils]: 25: Hoare triple {2358#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {2359#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} is VALID [2020-07-28 19:03:56,427 INFO L280 TraceCheckUtils]: 26: Hoare triple {2359#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2356#false} is VALID [2020-07-28 19:03:56,427 INFO L280 TraceCheckUtils]: 27: Hoare triple {2356#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {2356#false} is VALID [2020-07-28 19:03:56,427 INFO L280 TraceCheckUtils]: 28: Hoare triple {2356#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {2356#false} is VALID [2020-07-28 19:03:56,428 INFO L280 TraceCheckUtils]: 29: Hoare triple {2356#false} assume !false; {2356#false} is VALID [2020-07-28 19:03:56,430 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 19:03:56,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508433152] [2020-07-28 19:03:56,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:56,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:56,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105128215] [2020-07-28 19:03:56,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:03:56,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:56,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:56,475 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:56,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:56,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:56,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:56,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:56,477 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2020-07-28 19:03:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,219 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2020-07-28 19:03:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:57,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:03:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 240 transitions. [2020-07-28 19:03:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 240 transitions. [2020-07-28 19:03:57,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 240 transitions. [2020-07-28 19:03:57,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 240 edges. 240 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:57,519 INFO L225 Difference]: With dead ends: 253 [2020-07-28 19:03:57,520 INFO L226 Difference]: Without dead ends: 187 [2020-07-28 19:03:57,520 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 19:03:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-28 19:03:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-07-28 19:03:57,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:57,653 INFO L82 GeneralOperation]: Start isEquivalent. First operand 187 states. Second operand 115 states. [2020-07-28 19:03:57,653 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 115 states. [2020-07-28 19:03:57,654 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 115 states. [2020-07-28 19:03:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,660 INFO L93 Difference]: Finished difference Result 187 states and 254 transitions. [2020-07-28 19:03:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 254 transitions. [2020-07-28 19:03:57,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,661 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 187 states. [2020-07-28 19:03:57,661 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 187 states. [2020-07-28 19:03:57,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,668 INFO L93 Difference]: Finished difference Result 187 states and 254 transitions. [2020-07-28 19:03:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 254 transitions. [2020-07-28 19:03:57,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,669 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:57,669 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-28 19:03:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2020-07-28 19:03:57,673 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2020-07-28 19:03:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:57,673 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2020-07-28 19:03:57,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2020-07-28 19:03:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:03:57,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:57,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:57,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:03:57,677 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:57,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:57,677 INFO L82 PathProgramCache]: Analyzing trace with hash -150608481, now seen corresponding path program 1 times [2020-07-28 19:03:57,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:57,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376019303] [2020-07-28 19:03:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:57,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {3235#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,762 INFO L280 TraceCheckUtils]: 1: Hoare triple {3237#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,763 INFO L280 TraceCheckUtils]: 2: Hoare triple {3237#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,763 INFO L280 TraceCheckUtils]: 3: Hoare triple {3237#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,764 INFO L280 TraceCheckUtils]: 4: Hoare triple {3237#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,765 INFO L280 TraceCheckUtils]: 5: Hoare triple {3237#(= 1 ~waterLevel~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,766 INFO L280 TraceCheckUtils]: 6: Hoare triple {3237#(= 1 ~waterLevel~0)} assume !false; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,766 INFO L280 TraceCheckUtils]: 7: Hoare triple {3237#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,767 INFO L280 TraceCheckUtils]: 8: Hoare triple {3237#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,768 INFO L280 TraceCheckUtils]: 9: Hoare triple {3237#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~5; {3237#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,768 INFO L280 TraceCheckUtils]: 10: Hoare triple {3237#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,770 INFO L280 TraceCheckUtils]: 12: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,770 INFO L280 TraceCheckUtils]: 13: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,771 INFO L280 TraceCheckUtils]: 14: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,771 INFO L280 TraceCheckUtils]: 15: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,772 INFO L280 TraceCheckUtils]: 16: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,772 INFO L280 TraceCheckUtils]: 17: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,773 INFO L280 TraceCheckUtils]: 18: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3238#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:57,774 INFO L280 TraceCheckUtils]: 19: Hoare triple {3238#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3236#false} is VALID [2020-07-28 19:03:57,774 INFO L280 TraceCheckUtils]: 20: Hoare triple {3236#false} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {3236#false} is VALID [2020-07-28 19:03:57,774 INFO L280 TraceCheckUtils]: 21: Hoare triple {3236#false} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; {3236#false} is VALID [2020-07-28 19:03:57,774 INFO L280 TraceCheckUtils]: 22: Hoare triple {3236#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {3236#false} is VALID [2020-07-28 19:03:57,774 INFO L280 TraceCheckUtils]: 23: Hoare triple {3236#false} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {3236#false} is VALID [2020-07-28 19:03:57,775 INFO L280 TraceCheckUtils]: 24: Hoare triple {3236#false} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {3236#false} is VALID [2020-07-28 19:03:57,775 INFO L280 TraceCheckUtils]: 25: Hoare triple {3236#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {3236#false} is VALID [2020-07-28 19:03:57,775 INFO L280 TraceCheckUtils]: 26: Hoare triple {3236#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {3236#false} is VALID [2020-07-28 19:03:57,775 INFO L280 TraceCheckUtils]: 27: Hoare triple {3236#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {3236#false} is VALID [2020-07-28 19:03:57,775 INFO L280 TraceCheckUtils]: 28: Hoare triple {3236#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {3236#false} is VALID [2020-07-28 19:03:57,776 INFO L280 TraceCheckUtils]: 29: Hoare triple {3236#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {3236#false} is VALID [2020-07-28 19:03:57,776 INFO L280 TraceCheckUtils]: 30: Hoare triple {3236#false} assume !false; {3236#false} is VALID [2020-07-28 19:03:57,778 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 19:03:57,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376019303] [2020-07-28 19:03:57,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:57,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:57,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506999698] [2020-07-28 19:03:57,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 19:03:57,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:57,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:57,817 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:57,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:57,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:57,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:57,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:03:57,818 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2020-07-28 19:03:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,365 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2020-07-28 19:03:58,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:03:58,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 19:03:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2020-07-28 19:03:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2020-07-28 19:03:58,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 207 transitions. [2020-07-28 19:03:58,580 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:58,583 INFO L225 Difference]: With dead ends: 238 [2020-07-28 19:03:58,583 INFO L226 Difference]: Without dead ends: 172 [2020-07-28 19:03:58,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:03:58,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-28 19:03:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-07-28 19:03:58,779 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:58,779 INFO L82 GeneralOperation]: Start isEquivalent. First operand 172 states. Second operand 169 states. [2020-07-28 19:03:58,779 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand 169 states. [2020-07-28 19:03:58,779 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 169 states. [2020-07-28 19:03:58,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,785 INFO L93 Difference]: Finished difference Result 172 states and 230 transitions. [2020-07-28 19:03:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 230 transitions. [2020-07-28 19:03:58,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,786 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,786 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 172 states. [2020-07-28 19:03:58,786 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 172 states. [2020-07-28 19:03:58,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,796 INFO L93 Difference]: Finished difference Result 172 states and 230 transitions. [2020-07-28 19:03:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 230 transitions. [2020-07-28 19:03:58,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,797 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,797 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:58,797 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-28 19:03:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2020-07-28 19:03:58,801 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 31 [2020-07-28 19:03:58,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:58,801 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2020-07-28 19:03:58,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:03:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2020-07-28 19:03:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:03:58,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:58,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:58,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:03:58,803 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:58,803 INFO L82 PathProgramCache]: Analyzing trace with hash 107556957, now seen corresponding path program 1 times [2020-07-28 19:03:58,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:58,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183585016] [2020-07-28 19:03:58,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:58,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {4130#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {4130#true} is VALID [2020-07-28 19:03:58,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {4130#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {4130#true} is VALID [2020-07-28 19:03:58,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {4130#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {4130#true} is VALID [2020-07-28 19:03:58,855 INFO L280 TraceCheckUtils]: 3: Hoare triple {4130#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {4130#true} is VALID [2020-07-28 19:03:58,855 INFO L280 TraceCheckUtils]: 4: Hoare triple {4130#true} assume 0 != main_~tmp~0; {4130#true} is VALID [2020-07-28 19:03:58,855 INFO L280 TraceCheckUtils]: 5: Hoare triple {4130#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4130#true} is VALID [2020-07-28 19:03:58,855 INFO L280 TraceCheckUtils]: 6: Hoare triple {4130#true} assume !false; {4130#true} is VALID [2020-07-28 19:03:58,856 INFO L280 TraceCheckUtils]: 7: Hoare triple {4130#true} assume test_~splverifierCounter~0 < 4; {4130#true} is VALID [2020-07-28 19:03:58,856 INFO L280 TraceCheckUtils]: 8: Hoare triple {4130#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {4130#true} is VALID [2020-07-28 19:03:58,856 INFO L280 TraceCheckUtils]: 9: Hoare triple {4130#true} assume 0 != test_~tmp~5; {4130#true} is VALID [2020-07-28 19:03:58,856 INFO L280 TraceCheckUtils]: 10: Hoare triple {4130#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4130#true} is VALID [2020-07-28 19:03:58,857 INFO L280 TraceCheckUtils]: 11: Hoare triple {4130#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {4130#true} is VALID [2020-07-28 19:03:58,857 INFO L280 TraceCheckUtils]: 12: Hoare triple {4130#true} assume !(0 != test_~tmp___0~2); {4130#true} is VALID [2020-07-28 19:03:58,857 INFO L280 TraceCheckUtils]: 13: Hoare triple {4130#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {4130#true} is VALID [2020-07-28 19:03:58,857 INFO L280 TraceCheckUtils]: 14: Hoare triple {4130#true} assume 0 != test_~tmp___2~0; {4130#true} is VALID [2020-07-28 19:03:58,857 INFO L280 TraceCheckUtils]: 15: Hoare triple {4130#true} assume !(0 != ~pumpRunning~0); {4130#true} is VALID [2020-07-28 19:03:58,858 INFO L280 TraceCheckUtils]: 16: Hoare triple {4130#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {4130#true} is VALID [2020-07-28 19:03:58,858 INFO L280 TraceCheckUtils]: 17: Hoare triple {4130#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {4130#true} is VALID [2020-07-28 19:03:58,858 INFO L280 TraceCheckUtils]: 18: Hoare triple {4130#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {4130#true} is VALID [2020-07-28 19:03:58,859 INFO L280 TraceCheckUtils]: 19: Hoare triple {4130#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {4132#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:03:58,860 INFO L280 TraceCheckUtils]: 20: Hoare triple {4132#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {4133#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)} is VALID [2020-07-28 19:03:58,860 INFO L280 TraceCheckUtils]: 21: Hoare triple {4133#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; {4131#false} is VALID [2020-07-28 19:03:58,860 INFO L280 TraceCheckUtils]: 22: Hoare triple {4131#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {4131#false} is VALID [2020-07-28 19:03:58,861 INFO L280 TraceCheckUtils]: 23: Hoare triple {4131#false} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {4131#false} is VALID [2020-07-28 19:03:58,861 INFO L280 TraceCheckUtils]: 24: Hoare triple {4131#false} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {4131#false} is VALID [2020-07-28 19:03:58,861 INFO L280 TraceCheckUtils]: 25: Hoare triple {4131#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {4131#false} is VALID [2020-07-28 19:03:58,861 INFO L280 TraceCheckUtils]: 26: Hoare triple {4131#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {4131#false} is VALID [2020-07-28 19:03:58,861 INFO L280 TraceCheckUtils]: 27: Hoare triple {4131#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {4131#false} is VALID [2020-07-28 19:03:58,862 INFO L280 TraceCheckUtils]: 28: Hoare triple {4131#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {4131#false} is VALID [2020-07-28 19:03:58,862 INFO L280 TraceCheckUtils]: 29: Hoare triple {4131#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {4131#false} is VALID [2020-07-28 19:03:58,862 INFO L280 TraceCheckUtils]: 30: Hoare triple {4131#false} assume !false; {4131#false} is VALID [2020-07-28 19:03:58,863 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 19:03:58,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183585016] [2020-07-28 19:03:58,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:58,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:58,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821609729] [2020-07-28 19:03:58,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 19:03:58,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:58,865 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:58,910 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:58,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:58,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:58,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:03:58,911 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand 4 states. [2020-07-28 19:03:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,775 INFO L93 Difference]: Finished difference Result 400 states and 551 transitions. [2020-07-28 19:03:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:59,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 19:03:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 217 transitions. [2020-07-28 19:03:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 217 transitions. [2020-07-28 19:03:59,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 217 transitions. [2020-07-28 19:04:00,029 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,036 INFO L225 Difference]: With dead ends: 400 [2020-07-28 19:04:00,036 INFO L226 Difference]: Without dead ends: 279 [2020-07-28 19:04:00,036 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 19:04:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-28 19:04:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 163. [2020-07-28 19:04:00,247 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:00,247 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 163 states. [2020-07-28 19:04:00,247 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 163 states. [2020-07-28 19:04:00,247 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 163 states. [2020-07-28 19:04:00,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,255 INFO L93 Difference]: Finished difference Result 279 states and 382 transitions. [2020-07-28 19:04:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 382 transitions. [2020-07-28 19:04:00,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,256 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 279 states. [2020-07-28 19:04:00,257 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 279 states. [2020-07-28 19:04:00,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,264 INFO L93 Difference]: Finished difference Result 279 states and 382 transitions. [2020-07-28 19:04:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 382 transitions. [2020-07-28 19:04:00,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,266 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:00,266 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-28 19:04:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2020-07-28 19:04:00,270 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 31 [2020-07-28 19:04:00,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:00,270 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2020-07-28 19:04:00,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2020-07-28 19:04:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:04:00,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:00,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:00,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:00,272 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:00,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:00,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1346986200, now seen corresponding path program 1 times [2020-07-28 19:04:00,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:00,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835578818] [2020-07-28 19:04:00,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:00,359 INFO L280 TraceCheckUtils]: 0: Hoare triple {5450#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,361 INFO L280 TraceCheckUtils]: 1: Hoare triple {5452#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,365 INFO L280 TraceCheckUtils]: 2: Hoare triple {5452#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {5452#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,374 INFO L280 TraceCheckUtils]: 4: Hoare triple {5452#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,375 INFO L280 TraceCheckUtils]: 5: Hoare triple {5452#(= 1 ~waterLevel~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,375 INFO L280 TraceCheckUtils]: 6: Hoare triple {5452#(= 1 ~waterLevel~0)} assume !false; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,376 INFO L280 TraceCheckUtils]: 7: Hoare triple {5452#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,376 INFO L280 TraceCheckUtils]: 8: Hoare triple {5452#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,377 INFO L280 TraceCheckUtils]: 9: Hoare triple {5452#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~5; {5452#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,378 INFO L280 TraceCheckUtils]: 10: Hoare triple {5452#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,378 INFO L280 TraceCheckUtils]: 11: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,379 INFO L280 TraceCheckUtils]: 12: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,379 INFO L280 TraceCheckUtils]: 13: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,380 INFO L280 TraceCheckUtils]: 14: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,380 INFO L280 TraceCheckUtils]: 15: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,381 INFO L280 TraceCheckUtils]: 16: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,381 INFO L280 TraceCheckUtils]: 17: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,383 INFO L280 TraceCheckUtils]: 18: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,383 INFO L280 TraceCheckUtils]: 19: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,384 INFO L280 TraceCheckUtils]: 20: Hoare triple {5453#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,385 INFO L280 TraceCheckUtils]: 21: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,385 INFO L280 TraceCheckUtils]: 22: Hoare triple {5453#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,386 INFO L280 TraceCheckUtils]: 23: Hoare triple {5453#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,386 INFO L280 TraceCheckUtils]: 24: Hoare triple {5453#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {5453#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:00,387 INFO L280 TraceCheckUtils]: 25: Hoare triple {5453#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {5454#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:00,388 INFO L280 TraceCheckUtils]: 26: Hoare triple {5454#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {5455#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} is VALID [2020-07-28 19:04:00,388 INFO L280 TraceCheckUtils]: 27: Hoare triple {5455#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {5451#false} is VALID [2020-07-28 19:04:00,389 INFO L280 TraceCheckUtils]: 28: Hoare triple {5451#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {5451#false} is VALID [2020-07-28 19:04:00,389 INFO L280 TraceCheckUtils]: 29: Hoare triple {5451#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {5451#false} is VALID [2020-07-28 19:04:00,389 INFO L280 TraceCheckUtils]: 30: Hoare triple {5451#false} assume !false; {5451#false} is VALID [2020-07-28 19:04:00,391 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 19:04:00,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835578818] [2020-07-28 19:04:00,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:00,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:00,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121194906] [2020-07-28 19:04:00,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 19:04:00,392 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:00,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:00,434 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:00,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:00,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:00,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:00,436 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand 6 states. [2020-07-28 19:04:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:01,728 INFO L93 Difference]: Finished difference Result 335 states and 455 transitions. [2020-07-28 19:04:01,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:04:01,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 19:04:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 260 transitions. [2020-07-28 19:04:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 260 transitions. [2020-07-28 19:04:01,734 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 260 transitions. [2020-07-28 19:04:02,006 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 260 edges. 260 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:02,010 INFO L225 Difference]: With dead ends: 335 [2020-07-28 19:04:02,010 INFO L226 Difference]: Without dead ends: 220 [2020-07-28 19:04:02,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:02,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-28 19:04:02,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 159. [2020-07-28 19:04:02,242 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:02,242 INFO L82 GeneralOperation]: Start isEquivalent. First operand 220 states. Second operand 159 states. [2020-07-28 19:04:02,242 INFO L74 IsIncluded]: Start isIncluded. First operand 220 states. Second operand 159 states. [2020-07-28 19:04:02,242 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 159 states. [2020-07-28 19:04:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:02,248 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2020-07-28 19:04:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 294 transitions. [2020-07-28 19:04:02,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:02,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:02,250 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 220 states. [2020-07-28 19:04:02,250 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 220 states. [2020-07-28 19:04:02,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:02,255 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2020-07-28 19:04:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 294 transitions. [2020-07-28 19:04:02,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:02,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:02,257 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:02,257 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-28 19:04:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2020-07-28 19:04:02,260 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 31 [2020-07-28 19:04:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:02,261 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2020-07-28 19:04:02,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2020-07-28 19:04:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-28 19:04:02,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:02,264 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 19:04:02,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:02,264 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:02,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:02,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1478686347, now seen corresponding path program 1 times [2020-07-28 19:04:02,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:02,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972234838] [2020-07-28 19:04:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:02,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {6567#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {6567#true} is VALID [2020-07-28 19:04:02,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {6567#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {6567#true} is VALID [2020-07-28 19:04:02,352 INFO L280 TraceCheckUtils]: 2: Hoare triple {6567#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {6567#true} is VALID [2020-07-28 19:04:02,352 INFO L280 TraceCheckUtils]: 3: Hoare triple {6567#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {6567#true} is VALID [2020-07-28 19:04:02,352 INFO L280 TraceCheckUtils]: 4: Hoare triple {6567#true} assume 0 != main_~tmp~0; {6567#true} is VALID [2020-07-28 19:04:02,354 INFO L280 TraceCheckUtils]: 5: Hoare triple {6567#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6567#true} is VALID [2020-07-28 19:04:02,354 INFO L280 TraceCheckUtils]: 6: Hoare triple {6567#true} assume !false; {6567#true} is VALID [2020-07-28 19:04:02,354 INFO L280 TraceCheckUtils]: 7: Hoare triple {6567#true} assume test_~splverifierCounter~0 < 4; {6567#true} is VALID [2020-07-28 19:04:02,354 INFO L280 TraceCheckUtils]: 8: Hoare triple {6567#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {6567#true} is VALID [2020-07-28 19:04:02,355 INFO L280 TraceCheckUtils]: 9: Hoare triple {6567#true} assume !(0 != test_~tmp~5); {6567#true} is VALID [2020-07-28 19:04:02,355 INFO L280 TraceCheckUtils]: 10: Hoare triple {6567#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {6567#true} is VALID [2020-07-28 19:04:02,355 INFO L280 TraceCheckUtils]: 11: Hoare triple {6567#true} assume !(0 != test_~tmp___0~2); {6567#true} is VALID [2020-07-28 19:04:02,355 INFO L280 TraceCheckUtils]: 12: Hoare triple {6567#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {6567#true} is VALID [2020-07-28 19:04:02,355 INFO L280 TraceCheckUtils]: 13: Hoare triple {6567#true} assume 0 != test_~tmp___2~0; {6567#true} is VALID [2020-07-28 19:04:02,356 INFO L280 TraceCheckUtils]: 14: Hoare triple {6567#true} assume !(0 != ~pumpRunning~0); {6567#true} is VALID [2020-07-28 19:04:02,356 INFO L280 TraceCheckUtils]: 15: Hoare triple {6567#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {6567#true} is VALID [2020-07-28 19:04:02,356 INFO L280 TraceCheckUtils]: 16: Hoare triple {6567#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {6567#true} is VALID [2020-07-28 19:04:02,356 INFO L280 TraceCheckUtils]: 17: Hoare triple {6567#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {6567#true} is VALID [2020-07-28 19:04:02,358 INFO L280 TraceCheckUtils]: 18: Hoare triple {6567#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {6569#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:02,360 INFO L280 TraceCheckUtils]: 19: Hoare triple {6569#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {6570#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~3)} is VALID [2020-07-28 19:04:02,361 INFO L280 TraceCheckUtils]: 20: Hoare triple {6570#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~3)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {6568#false} is VALID [2020-07-28 19:04:02,361 INFO L280 TraceCheckUtils]: 21: Hoare triple {6568#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {6568#false} is VALID [2020-07-28 19:04:02,361 INFO L280 TraceCheckUtils]: 22: Hoare triple {6568#false} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {6568#false} is VALID [2020-07-28 19:04:02,361 INFO L280 TraceCheckUtils]: 23: Hoare triple {6568#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {6568#false} is VALID [2020-07-28 19:04:02,362 INFO L280 TraceCheckUtils]: 24: Hoare triple {6568#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {6568#false} is VALID [2020-07-28 19:04:02,362 INFO L280 TraceCheckUtils]: 25: Hoare triple {6568#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {6568#false} is VALID [2020-07-28 19:04:02,362 INFO L280 TraceCheckUtils]: 26: Hoare triple {6568#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {6568#false} is VALID [2020-07-28 19:04:02,365 INFO L280 TraceCheckUtils]: 27: Hoare triple {6568#false} assume !false; {6568#false} is VALID [2020-07-28 19:04:02,365 INFO L280 TraceCheckUtils]: 28: Hoare triple {6568#false} assume test_~splverifierCounter~0 < 4; {6568#false} is VALID [2020-07-28 19:04:02,365 INFO L280 TraceCheckUtils]: 29: Hoare triple {6568#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {6568#false} is VALID [2020-07-28 19:04:02,365 INFO L280 TraceCheckUtils]: 30: Hoare triple {6568#false} assume !(0 != test_~tmp~5); {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 31: Hoare triple {6568#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 32: Hoare triple {6568#false} assume !(0 != test_~tmp___0~2); {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 33: Hoare triple {6568#false} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 34: Hoare triple {6568#false} assume 0 != test_~tmp___2~0; {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 35: Hoare triple {6568#false} assume 0 != ~pumpRunning~0; {6568#false} is VALID [2020-07-28 19:04:02,366 INFO L280 TraceCheckUtils]: 36: Hoare triple {6568#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6568#false} is VALID [2020-07-28 19:04:02,367 INFO L280 TraceCheckUtils]: 37: Hoare triple {6568#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {6568#false} is VALID [2020-07-28 19:04:02,367 INFO L280 TraceCheckUtils]: 38: Hoare triple {6568#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {6568#false} is VALID [2020-07-28 19:04:02,367 INFO L280 TraceCheckUtils]: 39: Hoare triple {6568#false} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {6568#false} is VALID [2020-07-28 19:04:02,367 INFO L280 TraceCheckUtils]: 40: Hoare triple {6568#false} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {6568#false} is VALID [2020-07-28 19:04:02,368 INFO L280 TraceCheckUtils]: 41: Hoare triple {6568#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {6568#false} is VALID [2020-07-28 19:04:02,368 INFO L280 TraceCheckUtils]: 42: Hoare triple {6568#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {6568#false} is VALID [2020-07-28 19:04:02,368 INFO L280 TraceCheckUtils]: 43: Hoare triple {6568#false} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {6568#false} is VALID [2020-07-28 19:04:02,373 INFO L280 TraceCheckUtils]: 44: Hoare triple {6568#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {6568#false} is VALID [2020-07-28 19:04:02,374 INFO L280 TraceCheckUtils]: 45: Hoare triple {6568#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {6568#false} is VALID [2020-07-28 19:04:02,374 INFO L280 TraceCheckUtils]: 46: Hoare triple {6568#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {6568#false} is VALID [2020-07-28 19:04:02,375 INFO L280 TraceCheckUtils]: 47: Hoare triple {6568#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {6568#false} is VALID [2020-07-28 19:04:02,375 INFO L280 TraceCheckUtils]: 48: Hoare triple {6568#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {6568#false} is VALID [2020-07-28 19:04:02,375 INFO L280 TraceCheckUtils]: 49: Hoare triple {6568#false} assume !false; {6568#false} is VALID [2020-07-28 19:04:02,379 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 19:04:02,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972234838] [2020-07-28 19:04:02,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:02,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:02,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168967155] [2020-07-28 19:04:02,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-07-28 19:04:02,382 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:02,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:02,436 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 19:04:02,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:02,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:02,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:02,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:02,437 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand 4 states. [2020-07-28 19:04:03,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,173 INFO L93 Difference]: Finished difference Result 335 states and 448 transitions. [2020-07-28 19:04:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:03,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-07-28 19:04:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2020-07-28 19:04:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2020-07-28 19:04:03,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 165 transitions. [2020-07-28 19:04:03,386 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:03,390 INFO L225 Difference]: With dead ends: 335 [2020-07-28 19:04:03,390 INFO L226 Difference]: Without dead ends: 182 [2020-07-28 19:04:03,391 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 19:04:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-28 19:04:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 135. [2020-07-28 19:04:03,616 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:03,616 INFO L82 GeneralOperation]: Start isEquivalent. First operand 182 states. Second operand 135 states. [2020-07-28 19:04:03,616 INFO L74 IsIncluded]: Start isIncluded. First operand 182 states. Second operand 135 states. [2020-07-28 19:04:03,616 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 135 states. [2020-07-28 19:04:03,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,622 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2020-07-28 19:04:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2020-07-28 19:04:03,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:03,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:03,624 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 182 states. [2020-07-28 19:04:03,624 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 182 states. [2020-07-28 19:04:03,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,630 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2020-07-28 19:04:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2020-07-28 19:04:03,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:03,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:03,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:03,631 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-28 19:04:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2020-07-28 19:04:03,636 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 50 [2020-07-28 19:04:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:03,636 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2020-07-28 19:04:03,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2020-07-28 19:04:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:04:03,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:03,639 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 19:04:03,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:04:03,639 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:03,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:03,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1506097615, now seen corresponding path program 1 times [2020-07-28 19:04:03,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:03,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941270893] [2020-07-28 19:04:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:03,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {7567#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {7567#true} is VALID [2020-07-28 19:04:03,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {7567#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {7567#true} is VALID [2020-07-28 19:04:03,724 INFO L280 TraceCheckUtils]: 2: Hoare triple {7567#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {7567#true} is VALID [2020-07-28 19:04:03,724 INFO L280 TraceCheckUtils]: 3: Hoare triple {7567#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {7567#true} is VALID [2020-07-28 19:04:03,725 INFO L280 TraceCheckUtils]: 4: Hoare triple {7567#true} assume 0 != main_~tmp~0; {7567#true} is VALID [2020-07-28 19:04:03,725 INFO L280 TraceCheckUtils]: 5: Hoare triple {7567#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7567#true} is VALID [2020-07-28 19:04:03,725 INFO L280 TraceCheckUtils]: 6: Hoare triple {7567#true} assume !false; {7567#true} is VALID [2020-07-28 19:04:03,725 INFO L280 TraceCheckUtils]: 7: Hoare triple {7567#true} assume test_~splverifierCounter~0 < 4; {7567#true} is VALID [2020-07-28 19:04:03,725 INFO L280 TraceCheckUtils]: 8: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {7567#true} is VALID [2020-07-28 19:04:03,726 INFO L280 TraceCheckUtils]: 9: Hoare triple {7567#true} assume 0 != test_~tmp~5; {7567#true} is VALID [2020-07-28 19:04:03,726 INFO L280 TraceCheckUtils]: 10: Hoare triple {7567#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {7567#true} is VALID [2020-07-28 19:04:03,726 INFO L280 TraceCheckUtils]: 11: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {7567#true} is VALID [2020-07-28 19:04:03,726 INFO L280 TraceCheckUtils]: 12: Hoare triple {7567#true} assume !(0 != test_~tmp___0~2); {7567#true} is VALID [2020-07-28 19:04:03,726 INFO L280 TraceCheckUtils]: 13: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {7567#true} is VALID [2020-07-28 19:04:03,727 INFO L280 TraceCheckUtils]: 14: Hoare triple {7567#true} assume 0 != test_~tmp___2~0; {7567#true} is VALID [2020-07-28 19:04:03,727 INFO L280 TraceCheckUtils]: 15: Hoare triple {7567#true} assume !(0 != ~pumpRunning~0); {7567#true} is VALID [2020-07-28 19:04:03,727 INFO L280 TraceCheckUtils]: 16: Hoare triple {7567#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7567#true} is VALID [2020-07-28 19:04:03,727 INFO L280 TraceCheckUtils]: 17: Hoare triple {7567#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {7567#true} is VALID [2020-07-28 19:04:03,727 INFO L280 TraceCheckUtils]: 18: Hoare triple {7567#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 19: Hoare triple {7567#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 20: Hoare triple {7567#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 21: Hoare triple {7567#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 22: Hoare triple {7567#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 23: Hoare triple {7567#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {7567#true} is VALID [2020-07-28 19:04:03,728 INFO L280 TraceCheckUtils]: 24: Hoare triple {7567#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {7567#true} is VALID [2020-07-28 19:04:03,729 INFO L280 TraceCheckUtils]: 25: Hoare triple {7567#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {7567#true} is VALID [2020-07-28 19:04:03,729 INFO L280 TraceCheckUtils]: 26: Hoare triple {7567#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {7567#true} is VALID [2020-07-28 19:04:03,729 INFO L280 TraceCheckUtils]: 27: Hoare triple {7567#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {7567#true} is VALID [2020-07-28 19:04:03,730 INFO L280 TraceCheckUtils]: 28: Hoare triple {7567#true} assume !false; {7567#true} is VALID [2020-07-28 19:04:03,731 INFO L280 TraceCheckUtils]: 29: Hoare triple {7567#true} assume test_~splverifierCounter~0 < 4; {7567#true} is VALID [2020-07-28 19:04:03,731 INFO L280 TraceCheckUtils]: 30: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {7567#true} is VALID [2020-07-28 19:04:03,731 INFO L280 TraceCheckUtils]: 31: Hoare triple {7567#true} assume !(0 != test_~tmp~5); {7567#true} is VALID [2020-07-28 19:04:03,731 INFO L280 TraceCheckUtils]: 32: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {7567#true} is VALID [2020-07-28 19:04:03,733 INFO L280 TraceCheckUtils]: 33: Hoare triple {7567#true} assume !(0 != test_~tmp___0~2); {7567#true} is VALID [2020-07-28 19:04:03,733 INFO L280 TraceCheckUtils]: 34: Hoare triple {7567#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {7567#true} is VALID [2020-07-28 19:04:03,733 INFO L280 TraceCheckUtils]: 35: Hoare triple {7567#true} assume 0 != test_~tmp___2~0; {7567#true} is VALID [2020-07-28 19:04:03,734 INFO L280 TraceCheckUtils]: 36: Hoare triple {7567#true} assume 0 != ~pumpRunning~0; {7567#true} is VALID [2020-07-28 19:04:03,734 INFO L280 TraceCheckUtils]: 37: Hoare triple {7567#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {7567#true} is VALID [2020-07-28 19:04:03,734 INFO L280 TraceCheckUtils]: 38: Hoare triple {7567#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7567#true} is VALID [2020-07-28 19:04:03,734 INFO L280 TraceCheckUtils]: 39: Hoare triple {7567#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {7567#true} is VALID [2020-07-28 19:04:03,734 INFO L280 TraceCheckUtils]: 40: Hoare triple {7567#true} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {7567#true} is VALID [2020-07-28 19:04:03,735 INFO L280 TraceCheckUtils]: 41: Hoare triple {7567#true} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {7569#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:03,736 INFO L280 TraceCheckUtils]: 42: Hoare triple {7569#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {7570#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:03,737 INFO L280 TraceCheckUtils]: 43: Hoare triple {7570#(= 0 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {7571#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:04:03,737 INFO L280 TraceCheckUtils]: 44: Hoare triple {7571#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {7568#false} is VALID [2020-07-28 19:04:03,738 INFO L280 TraceCheckUtils]: 45: Hoare triple {7568#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {7568#false} is VALID [2020-07-28 19:04:03,738 INFO L280 TraceCheckUtils]: 46: Hoare triple {7568#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {7568#false} is VALID [2020-07-28 19:04:03,738 INFO L280 TraceCheckUtils]: 47: Hoare triple {7568#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {7568#false} is VALID [2020-07-28 19:04:03,738 INFO L280 TraceCheckUtils]: 48: Hoare triple {7568#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {7568#false} is VALID [2020-07-28 19:04:03,738 INFO L280 TraceCheckUtils]: 49: Hoare triple {7568#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {7568#false} is VALID [2020-07-28 19:04:03,739 INFO L280 TraceCheckUtils]: 50: Hoare triple {7568#false} assume !false; {7568#false} is VALID [2020-07-28 19:04:03,741 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 19:04:03,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941270893] [2020-07-28 19:04:03,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:03,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:03,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407650320] [2020-07-28 19:04:03,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:03,742 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:03,743 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:03,793 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 19:04:03,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:03,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:03,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:03,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:03,794 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand 5 states. [2020-07-28 19:04:04,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:04,952 INFO L93 Difference]: Finished difference Result 449 states and 597 transitions. [2020-07-28 19:04:04,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:04,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 19:04:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 19:04:04,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 241 transitions. [2020-07-28 19:04:05,234 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:05,244 INFO L225 Difference]: With dead ends: 449 [2020-07-28 19:04:05,244 INFO L226 Difference]: Without dead ends: 344 [2020-07-28 19:04:05,245 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 19:04:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-07-28 19:04:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 138. [2020-07-28 19:04:05,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:05,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 344 states. Second operand 138 states. [2020-07-28 19:04:05,488 INFO L74 IsIncluded]: Start isIncluded. First operand 344 states. Second operand 138 states. [2020-07-28 19:04:05,488 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 138 states. [2020-07-28 19:04:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,500 INFO L93 Difference]: Finished difference Result 344 states and 455 transitions. [2020-07-28 19:04:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 455 transitions. [2020-07-28 19:04:05,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:05,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:05,502 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 344 states. [2020-07-28 19:04:05,502 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 344 states. [2020-07-28 19:04:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,512 INFO L93 Difference]: Finished difference Result 344 states and 455 transitions. [2020-07-28 19:04:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 455 transitions. [2020-07-28 19:04:05,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:05,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:05,514 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:05,514 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-28 19:04:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2020-07-28 19:04:05,517 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 51 [2020-07-28 19:04:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:05,518 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2020-07-28 19:04:05,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2020-07-28 19:04:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:04:05,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:05,519 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 19:04:05,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:04:05,520 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:05,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1899124625, now seen corresponding path program 1 times [2020-07-28 19:04:05,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:05,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284433899] [2020-07-28 19:04:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:05,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {9055#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {9055#true} is VALID [2020-07-28 19:04:05,625 INFO L280 TraceCheckUtils]: 1: Hoare triple {9055#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {9055#true} is VALID [2020-07-28 19:04:05,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {9055#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {9055#true} is VALID [2020-07-28 19:04:05,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {9055#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {9055#true} is VALID [2020-07-28 19:04:05,626 INFO L280 TraceCheckUtils]: 4: Hoare triple {9055#true} assume 0 != main_~tmp~0; {9055#true} is VALID [2020-07-28 19:04:05,626 INFO L280 TraceCheckUtils]: 5: Hoare triple {9055#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9055#true} is VALID [2020-07-28 19:04:05,626 INFO L280 TraceCheckUtils]: 6: Hoare triple {9055#true} assume !false; {9055#true} is VALID [2020-07-28 19:04:05,626 INFO L280 TraceCheckUtils]: 7: Hoare triple {9055#true} assume test_~splverifierCounter~0 < 4; {9055#true} is VALID [2020-07-28 19:04:05,626 INFO L280 TraceCheckUtils]: 8: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {9055#true} is VALID [2020-07-28 19:04:05,627 INFO L280 TraceCheckUtils]: 9: Hoare triple {9055#true} assume 0 != test_~tmp~5; {9055#true} is VALID [2020-07-28 19:04:05,627 INFO L280 TraceCheckUtils]: 10: Hoare triple {9055#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {9055#true} is VALID [2020-07-28 19:04:05,627 INFO L280 TraceCheckUtils]: 11: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 12: Hoare triple {9055#true} assume !(0 != test_~tmp___0~2); {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 13: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 14: Hoare triple {9055#true} assume 0 != test_~tmp___2~0; {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 15: Hoare triple {9055#true} assume !(0 != ~pumpRunning~0); {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {9055#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {9055#true} is VALID [2020-07-28 19:04:05,628 INFO L280 TraceCheckUtils]: 17: Hoare triple {9055#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {9055#true} is VALID [2020-07-28 19:04:05,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {9055#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {9055#true} is VALID [2020-07-28 19:04:05,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {9055#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {9055#true} is VALID [2020-07-28 19:04:05,629 INFO L280 TraceCheckUtils]: 20: Hoare triple {9055#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {9055#true} is VALID [2020-07-28 19:04:05,634 INFO L280 TraceCheckUtils]: 21: Hoare triple {9055#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {9055#true} is VALID [2020-07-28 19:04:05,635 INFO L280 TraceCheckUtils]: 22: Hoare triple {9055#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {9055#true} is VALID [2020-07-28 19:04:05,635 INFO L280 TraceCheckUtils]: 23: Hoare triple {9055#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {9055#true} is VALID [2020-07-28 19:04:05,635 INFO L280 TraceCheckUtils]: 24: Hoare triple {9055#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {9055#true} is VALID [2020-07-28 19:04:05,635 INFO L280 TraceCheckUtils]: 25: Hoare triple {9055#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {9055#true} is VALID [2020-07-28 19:04:05,635 INFO L280 TraceCheckUtils]: 26: Hoare triple {9055#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {9055#true} is VALID [2020-07-28 19:04:05,636 INFO L280 TraceCheckUtils]: 27: Hoare triple {9055#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {9055#true} is VALID [2020-07-28 19:04:05,636 INFO L280 TraceCheckUtils]: 28: Hoare triple {9055#true} assume !false; {9055#true} is VALID [2020-07-28 19:04:05,636 INFO L280 TraceCheckUtils]: 29: Hoare triple {9055#true} assume test_~splverifierCounter~0 < 4; {9055#true} is VALID [2020-07-28 19:04:05,636 INFO L280 TraceCheckUtils]: 30: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {9055#true} is VALID [2020-07-28 19:04:05,637 INFO L280 TraceCheckUtils]: 31: Hoare triple {9055#true} assume !(0 != test_~tmp~5); {9055#true} is VALID [2020-07-28 19:04:05,638 INFO L280 TraceCheckUtils]: 32: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {9055#true} is VALID [2020-07-28 19:04:05,638 INFO L280 TraceCheckUtils]: 33: Hoare triple {9055#true} assume !(0 != test_~tmp___0~2); {9055#true} is VALID [2020-07-28 19:04:05,638 INFO L280 TraceCheckUtils]: 34: Hoare triple {9055#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {9055#true} is VALID [2020-07-28 19:04:05,639 INFO L280 TraceCheckUtils]: 35: Hoare triple {9055#true} assume 0 != test_~tmp___2~0; {9055#true} is VALID [2020-07-28 19:04:05,639 INFO L280 TraceCheckUtils]: 36: Hoare triple {9055#true} assume 0 != ~pumpRunning~0; {9055#true} is VALID [2020-07-28 19:04:05,639 INFO L280 TraceCheckUtils]: 37: Hoare triple {9055#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {9055#true} is VALID [2020-07-28 19:04:05,639 INFO L280 TraceCheckUtils]: 38: Hoare triple {9055#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {9055#true} is VALID [2020-07-28 19:04:05,640 INFO L280 TraceCheckUtils]: 39: Hoare triple {9055#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {9055#true} is VALID [2020-07-28 19:04:05,640 INFO L280 TraceCheckUtils]: 40: Hoare triple {9055#true} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {9055#true} is VALID [2020-07-28 19:04:05,640 INFO L280 TraceCheckUtils]: 41: Hoare triple {9055#true} assume !(0 != isLowWaterLevel_~tmp~4);isLowWaterLevel_~tmp___0~1 := 1; {9055#true} is VALID [2020-07-28 19:04:05,640 INFO L280 TraceCheckUtils]: 42: Hoare triple {9055#true} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {9055#true} is VALID [2020-07-28 19:04:05,641 INFO L280 TraceCheckUtils]: 43: Hoare triple {9055#true} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {9055#true} is VALID [2020-07-28 19:04:05,644 INFO L280 TraceCheckUtils]: 44: Hoare triple {9055#true} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {9057#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:05,645 INFO L280 TraceCheckUtils]: 45: Hoare triple {9057#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {9057#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:05,645 INFO L280 TraceCheckUtils]: 46: Hoare triple {9057#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {9057#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:05,646 INFO L280 TraceCheckUtils]: 47: Hoare triple {9057#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {9058#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:05,647 INFO L280 TraceCheckUtils]: 48: Hoare triple {9058#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {9059#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} is VALID [2020-07-28 19:04:05,648 INFO L280 TraceCheckUtils]: 49: Hoare triple {9059#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {9056#false} is VALID [2020-07-28 19:04:05,649 INFO L280 TraceCheckUtils]: 50: Hoare triple {9056#false} assume !false; {9056#false} is VALID [2020-07-28 19:04:05,654 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 19:04:05,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284433899] [2020-07-28 19:04:05,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:05,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:05,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108078630] [2020-07-28 19:04:05,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:05,657 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:05,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:05,712 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 19:04:05,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:05,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:05,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:05,713 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand 5 states. [2020-07-28 19:04:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,115 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2020-07-28 19:04:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:07,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-28 19:04:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 262 transitions. [2020-07-28 19:04:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 262 transitions. [2020-07-28 19:04:07,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 262 transitions. [2020-07-28 19:04:07,413 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:07,423 INFO L225 Difference]: With dead ends: 347 [2020-07-28 19:04:07,423 INFO L226 Difference]: Without dead ends: 345 [2020-07-28 19:04:07,424 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 19:04:07,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-28 19:04:07,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 138. [2020-07-28 19:04:07,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:07,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 345 states. Second operand 138 states. [2020-07-28 19:04:07,699 INFO L74 IsIncluded]: Start isIncluded. First operand 345 states. Second operand 138 states. [2020-07-28 19:04:07,700 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 138 states. [2020-07-28 19:04:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,710 INFO L93 Difference]: Finished difference Result 345 states and 453 transitions. [2020-07-28 19:04:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 453 transitions. [2020-07-28 19:04:07,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:07,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:07,712 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 345 states. [2020-07-28 19:04:07,712 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 345 states. [2020-07-28 19:04:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,722 INFO L93 Difference]: Finished difference Result 345 states and 453 transitions. [2020-07-28 19:04:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 453 transitions. [2020-07-28 19:04:07,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:07,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:07,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:07,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-28 19:04:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2020-07-28 19:04:07,729 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 51 [2020-07-28 19:04:07,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:07,729 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2020-07-28 19:04:07,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2020-07-28 19:04:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-28 19:04:07,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:07,731 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 19:04:07,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:04:07,731 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:07,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2020-07-28 19:04:07,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:07,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294990446] [2020-07-28 19:04:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:07,851 INFO L280 TraceCheckUtils]: 0: Hoare triple {10413#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,852 INFO L280 TraceCheckUtils]: 1: Hoare triple {10415#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,853 INFO L280 TraceCheckUtils]: 2: Hoare triple {10415#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,854 INFO L280 TraceCheckUtils]: 3: Hoare triple {10415#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,854 INFO L280 TraceCheckUtils]: 4: Hoare triple {10415#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,855 INFO L280 TraceCheckUtils]: 5: Hoare triple {10415#(= 1 ~waterLevel~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,856 INFO L280 TraceCheckUtils]: 6: Hoare triple {10415#(= 1 ~waterLevel~0)} assume !false; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,856 INFO L280 TraceCheckUtils]: 7: Hoare triple {10415#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {10415#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {10415#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~5; {10415#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {10415#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,859 INFO L280 TraceCheckUtils]: 11: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,859 INFO L280 TraceCheckUtils]: 12: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,860 INFO L280 TraceCheckUtils]: 13: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,861 INFO L280 TraceCheckUtils]: 14: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,861 INFO L280 TraceCheckUtils]: 15: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,863 INFO L280 TraceCheckUtils]: 18: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,864 INFO L280 TraceCheckUtils]: 19: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,864 INFO L280 TraceCheckUtils]: 20: Hoare triple {10416#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,865 INFO L280 TraceCheckUtils]: 21: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,865 INFO L280 TraceCheckUtils]: 22: Hoare triple {10416#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,866 INFO L280 TraceCheckUtils]: 23: Hoare triple {10416#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,867 INFO L280 TraceCheckUtils]: 24: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,867 INFO L280 TraceCheckUtils]: 25: Hoare triple {10416#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,868 INFO L280 TraceCheckUtils]: 26: Hoare triple {10416#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,868 INFO L280 TraceCheckUtils]: 27: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,869 INFO L280 TraceCheckUtils]: 28: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !false; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,870 INFO L280 TraceCheckUtils]: 29: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,870 INFO L280 TraceCheckUtils]: 30: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,871 INFO L280 TraceCheckUtils]: 31: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~5); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,871 INFO L280 TraceCheckUtils]: 32: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,872 INFO L280 TraceCheckUtils]: 33: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,873 INFO L280 TraceCheckUtils]: 34: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,873 INFO L280 TraceCheckUtils]: 35: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,874 INFO L280 TraceCheckUtils]: 36: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,875 INFO L280 TraceCheckUtils]: 37: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,876 INFO L280 TraceCheckUtils]: 38: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,876 INFO L280 TraceCheckUtils]: 39: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,877 INFO L280 TraceCheckUtils]: 40: Hoare triple {10417#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,877 INFO L280 TraceCheckUtils]: 41: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,878 INFO L280 TraceCheckUtils]: 42: Hoare triple {10417#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,879 INFO L280 TraceCheckUtils]: 43: Hoare triple {10417#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,879 INFO L280 TraceCheckUtils]: 44: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,880 INFO L280 TraceCheckUtils]: 45: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,881 INFO L280 TraceCheckUtils]: 46: Hoare triple {10417#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {10418#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:07,882 INFO L280 TraceCheckUtils]: 47: Hoare triple {10418#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {10419#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} is VALID [2020-07-28 19:04:07,882 INFO L280 TraceCheckUtils]: 48: Hoare triple {10419#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {10414#false} is VALID [2020-07-28 19:04:07,883 INFO L280 TraceCheckUtils]: 49: Hoare triple {10414#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {10414#false} is VALID [2020-07-28 19:04:07,883 INFO L280 TraceCheckUtils]: 50: Hoare triple {10414#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {10414#false} is VALID [2020-07-28 19:04:07,883 INFO L280 TraceCheckUtils]: 51: Hoare triple {10414#false} assume !false; {10414#false} is VALID [2020-07-28 19:04:07,887 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 19:04:07,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294990446] [2020-07-28 19:04:07,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081566760] [2020-07-28 19:04:07,888 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 19:04:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:08,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:08,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:08,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {10413#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {10413#true} is VALID [2020-07-28 19:04:08,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {10413#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {10413#true} is VALID [2020-07-28 19:04:08,254 INFO L280 TraceCheckUtils]: 2: Hoare triple {10413#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 3: Hoare triple {10413#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 4: Hoare triple {10413#true} assume 0 != main_~tmp~0; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 5: Hoare triple {10413#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 6: Hoare triple {10413#true} assume !false; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {10413#true} assume test_~splverifierCounter~0 < 4; {10413#true} is VALID [2020-07-28 19:04:08,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {10413#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 9: Hoare triple {10413#true} assume 0 != test_~tmp~5; {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {10413#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {10413#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {10413#true} assume !(0 != test_~tmp___0~2); {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 13: Hoare triple {10413#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {10413#true} is VALID [2020-07-28 19:04:08,256 INFO L280 TraceCheckUtils]: 14: Hoare triple {10413#true} assume 0 != test_~tmp___2~0; {10413#true} is VALID [2020-07-28 19:04:08,257 INFO L280 TraceCheckUtils]: 15: Hoare triple {10413#true} assume !(0 != ~pumpRunning~0); {10413#true} is VALID [2020-07-28 19:04:08,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {10413#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {10413#true} is VALID [2020-07-28 19:04:08,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {10413#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {10413#true} is VALID [2020-07-28 19:04:08,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {10413#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {10413#true} is VALID [2020-07-28 19:04:08,261 INFO L280 TraceCheckUtils]: 19: Hoare triple {10413#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,262 INFO L280 TraceCheckUtils]: 20: Hoare triple {10416#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,262 INFO L280 TraceCheckUtils]: 21: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,263 INFO L280 TraceCheckUtils]: 22: Hoare triple {10416#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,263 INFO L280 TraceCheckUtils]: 23: Hoare triple {10416#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,264 INFO L280 TraceCheckUtils]: 24: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,264 INFO L280 TraceCheckUtils]: 25: Hoare triple {10416#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,265 INFO L280 TraceCheckUtils]: 26: Hoare triple {10416#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,265 INFO L280 TraceCheckUtils]: 27: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,266 INFO L280 TraceCheckUtils]: 28: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !false; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,266 INFO L280 TraceCheckUtils]: 29: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,267 INFO L280 TraceCheckUtils]: 30: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,267 INFO L280 TraceCheckUtils]: 31: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~5); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,269 INFO L280 TraceCheckUtils]: 32: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,269 INFO L280 TraceCheckUtils]: 33: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,270 INFO L280 TraceCheckUtils]: 34: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,270 INFO L280 TraceCheckUtils]: 35: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,271 INFO L280 TraceCheckUtils]: 36: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10416#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,272 INFO L280 TraceCheckUtils]: 37: Hoare triple {10416#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,272 INFO L280 TraceCheckUtils]: 38: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,273 INFO L280 TraceCheckUtils]: 39: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,273 INFO L280 TraceCheckUtils]: 40: Hoare triple {10417#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,273 INFO L280 TraceCheckUtils]: 41: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,274 INFO L280 TraceCheckUtils]: 42: Hoare triple {10417#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,274 INFO L280 TraceCheckUtils]: 43: Hoare triple {10417#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,275 INFO L280 TraceCheckUtils]: 44: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,275 INFO L280 TraceCheckUtils]: 45: Hoare triple {10417#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {10417#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:08,275 INFO L280 TraceCheckUtils]: 46: Hoare triple {10417#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {10418#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:08,276 INFO L280 TraceCheckUtils]: 47: Hoare triple {10418#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {10419#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} is VALID [2020-07-28 19:04:08,276 INFO L280 TraceCheckUtils]: 48: Hoare triple {10419#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {10414#false} is VALID [2020-07-28 19:04:08,277 INFO L280 TraceCheckUtils]: 49: Hoare triple {10414#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {10414#false} is VALID [2020-07-28 19:04:08,277 INFO L280 TraceCheckUtils]: 50: Hoare triple {10414#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {10414#false} is VALID [2020-07-28 19:04:08,277 INFO L280 TraceCheckUtils]: 51: Hoare triple {10414#false} assume !false; {10414#false} is VALID [2020-07-28 19:04:08,280 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 19:04:08,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:08,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-28 19:04:08,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402023399] [2020-07-28 19:04:08,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-28 19:04:08,282 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:08,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:08,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:08,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:08,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:08,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:08,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:08,370 INFO L87 Difference]: Start difference. First operand 138 states and 178 transitions. Second operand 7 states. [2020-07-28 19:04:10,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,272 INFO L93 Difference]: Finished difference Result 447 states and 591 transitions. [2020-07-28 19:04:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-28 19:04:10,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-28 19:04:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 349 transitions. [2020-07-28 19:04:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 349 transitions. [2020-07-28 19:04:10,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 349 transitions. [2020-07-28 19:04:10,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 349 edges. 349 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:10,657 INFO L225 Difference]: With dead ends: 447 [2020-07-28 19:04:10,657 INFO L226 Difference]: Without dead ends: 339 [2020-07-28 19:04:10,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:04:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-07-28 19:04:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 190. [2020-07-28 19:04:11,100 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:11,100 INFO L82 GeneralOperation]: Start isEquivalent. First operand 339 states. Second operand 190 states. [2020-07-28 19:04:11,100 INFO L74 IsIncluded]: Start isIncluded. First operand 339 states. Second operand 190 states. [2020-07-28 19:04:11,100 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 190 states. [2020-07-28 19:04:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,110 INFO L93 Difference]: Finished difference Result 339 states and 440 transitions. [2020-07-28 19:04:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2020-07-28 19:04:11,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:11,111 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:11,111 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 339 states. [2020-07-28 19:04:11,111 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 339 states. [2020-07-28 19:04:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:11,120 INFO L93 Difference]: Finished difference Result 339 states and 440 transitions. [2020-07-28 19:04:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2020-07-28 19:04:11,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:11,121 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:11,121 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:11,121 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-28 19:04:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 249 transitions. [2020-07-28 19:04:11,125 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 249 transitions. Word has length 52 [2020-07-28 19:04:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:11,126 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 249 transitions. [2020-07-28 19:04:11,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:04:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2020-07-28 19:04:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:11,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:11,127 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 19:04:11,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-28 19:04:11,341 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2113506808, now seen corresponding path program 2 times [2020-07-28 19:04:11,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:11,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373642020] [2020-07-28 19:04:11,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:11,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {12124#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {12124#true} is VALID [2020-07-28 19:04:11,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {12124#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {12124#true} is VALID [2020-07-28 19:04:11,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {12124#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {12124#true} is VALID [2020-07-28 19:04:11,562 INFO L280 TraceCheckUtils]: 3: Hoare triple {12124#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {12124#true} is VALID [2020-07-28 19:04:11,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {12124#true} assume 0 != main_~tmp~0; {12124#true} is VALID [2020-07-28 19:04:11,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {12124#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {12124#true} is VALID [2020-07-28 19:04:11,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {12124#true} assume !false; {12124#true} is VALID [2020-07-28 19:04:11,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {12124#true} assume test_~splverifierCounter~0 < 4; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {12124#true} assume 0 != test_~tmp~5; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {12124#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 12: Hoare triple {12124#true} assume !(0 != test_~tmp___0~2); {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 13: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {12124#true} is VALID [2020-07-28 19:04:11,564 INFO L280 TraceCheckUtils]: 14: Hoare triple {12124#true} assume 0 != test_~tmp___2~0; {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 15: Hoare triple {12124#true} assume !(0 != ~pumpRunning~0); {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 16: Hoare triple {12124#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {12124#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 18: Hoare triple {12124#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 19: Hoare triple {12124#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {12124#true} is VALID [2020-07-28 19:04:11,565 INFO L280 TraceCheckUtils]: 20: Hoare triple {12124#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {12124#true} is VALID [2020-07-28 19:04:11,566 INFO L280 TraceCheckUtils]: 21: Hoare triple {12124#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {12124#true} is VALID [2020-07-28 19:04:11,566 INFO L280 TraceCheckUtils]: 22: Hoare triple {12124#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {12124#true} is VALID [2020-07-28 19:04:11,566 INFO L280 TraceCheckUtils]: 23: Hoare triple {12124#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {12124#true} is VALID [2020-07-28 19:04:11,566 INFO L280 TraceCheckUtils]: 24: Hoare triple {12124#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {12124#true} is VALID [2020-07-28 19:04:11,566 INFO L280 TraceCheckUtils]: 25: Hoare triple {12124#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {12124#true} is VALID [2020-07-28 19:04:11,567 INFO L280 TraceCheckUtils]: 26: Hoare triple {12124#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {12124#true} is VALID [2020-07-28 19:04:11,567 INFO L280 TraceCheckUtils]: 27: Hoare triple {12124#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {12124#true} is VALID [2020-07-28 19:04:11,567 INFO L280 TraceCheckUtils]: 28: Hoare triple {12124#true} assume !false; {12124#true} is VALID [2020-07-28 19:04:11,567 INFO L280 TraceCheckUtils]: 29: Hoare triple {12124#true} assume test_~splverifierCounter~0 < 4; {12124#true} is VALID [2020-07-28 19:04:11,568 INFO L280 TraceCheckUtils]: 30: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {12124#true} is VALID [2020-07-28 19:04:11,568 INFO L280 TraceCheckUtils]: 31: Hoare triple {12124#true} assume !(0 != test_~tmp~5); {12124#true} is VALID [2020-07-28 19:04:11,568 INFO L280 TraceCheckUtils]: 32: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {12124#true} is VALID [2020-07-28 19:04:11,568 INFO L280 TraceCheckUtils]: 33: Hoare triple {12124#true} assume !(0 != test_~tmp___0~2); {12124#true} is VALID [2020-07-28 19:04:11,568 INFO L280 TraceCheckUtils]: 34: Hoare triple {12124#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {12124#true} is VALID [2020-07-28 19:04:11,569 INFO L280 TraceCheckUtils]: 35: Hoare triple {12124#true} assume 0 != test_~tmp___2~0; {12124#true} is VALID [2020-07-28 19:04:11,569 INFO L280 TraceCheckUtils]: 36: Hoare triple {12124#true} assume 0 != ~pumpRunning~0; {12124#true} is VALID [2020-07-28 19:04:11,569 INFO L280 TraceCheckUtils]: 37: Hoare triple {12124#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12124#true} is VALID [2020-07-28 19:04:11,569 INFO L280 TraceCheckUtils]: 38: Hoare triple {12124#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {12124#true} is VALID [2020-07-28 19:04:11,576 INFO L280 TraceCheckUtils]: 39: Hoare triple {12124#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {12126#(or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0))) (and (= 1 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0)))} is VALID [2020-07-28 19:04:11,582 INFO L280 TraceCheckUtils]: 40: Hoare triple {12126#(or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0))) (and (= 1 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0)))} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {12127#(or (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~waterLevel~0))) (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ~waterLevel~0)))} is VALID [2020-07-28 19:04:11,583 INFO L280 TraceCheckUtils]: 41: Hoare triple {12127#(or (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~waterLevel~0))) (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ~waterLevel~0)))} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,583 INFO L280 TraceCheckUtils]: 42: Hoare triple {12128#(<= ~waterLevel~0 0)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,584 INFO L280 TraceCheckUtils]: 43: Hoare triple {12128#(<= ~waterLevel~0 0)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,584 INFO L280 TraceCheckUtils]: 44: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,585 INFO L280 TraceCheckUtils]: 45: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !(0 == ~pumpRunning~0); {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,585 INFO L280 TraceCheckUtils]: 46: Hoare triple {12128#(<= ~waterLevel~0 0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,586 INFO L280 TraceCheckUtils]: 47: Hoare triple {12128#(<= ~waterLevel~0 0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,586 INFO L280 TraceCheckUtils]: 48: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,586 INFO L280 TraceCheckUtils]: 49: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !false; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,587 INFO L280 TraceCheckUtils]: 50: Hoare triple {12128#(<= ~waterLevel~0 0)} assume test_~splverifierCounter~0 < 4; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,587 INFO L280 TraceCheckUtils]: 51: Hoare triple {12128#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,588 INFO L280 TraceCheckUtils]: 52: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !(0 != test_~tmp~5); {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,588 INFO L280 TraceCheckUtils]: 53: Hoare triple {12128#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,589 INFO L280 TraceCheckUtils]: 54: Hoare triple {12128#(<= ~waterLevel~0 0)} assume !(0 != test_~tmp___0~2); {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,589 INFO L280 TraceCheckUtils]: 55: Hoare triple {12128#(<= ~waterLevel~0 0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,589 INFO L280 TraceCheckUtils]: 56: Hoare triple {12128#(<= ~waterLevel~0 0)} assume 0 != test_~tmp___2~0; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,590 INFO L280 TraceCheckUtils]: 57: Hoare triple {12128#(<= ~waterLevel~0 0)} assume 0 != ~pumpRunning~0; {12128#(<= ~waterLevel~0 0)} is VALID [2020-07-28 19:04:11,590 INFO L280 TraceCheckUtils]: 58: Hoare triple {12128#(<= ~waterLevel~0 0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {12125#false} is VALID [2020-07-28 19:04:11,590 INFO L280 TraceCheckUtils]: 59: Hoare triple {12125#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 60: Hoare triple {12125#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 61: Hoare triple {12125#false} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 62: Hoare triple {12125#false} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 63: Hoare triple {12125#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 64: Hoare triple {12125#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 65: Hoare triple {12125#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {12125#false} is VALID [2020-07-28 19:04:11,591 INFO L280 TraceCheckUtils]: 66: Hoare triple {12125#false} assume !(0 == ~pumpRunning~0); {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 67: Hoare triple {12125#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 68: Hoare triple {12125#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 69: Hoare triple {12125#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 70: Hoare triple {12125#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 71: Hoare triple {12125#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {12125#false} is VALID [2020-07-28 19:04:11,592 INFO L280 TraceCheckUtils]: 72: Hoare triple {12125#false} assume !false; {12125#false} is VALID [2020-07-28 19:04:11,596 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 19:04:11,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373642020] [2020-07-28 19:04:11,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:11,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:11,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601152117] [2020-07-28 19:04:11,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:11,599 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:11,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:11,685 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 19:04:11,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:11,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:11,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:11,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:11,686 INFO L87 Difference]: Start difference. First operand 190 states and 249 transitions. Second operand 5 states. [2020-07-28 19:04:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:13,953 INFO L93 Difference]: Finished difference Result 613 states and 809 transitions. [2020-07-28 19:04:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:04:13,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 256 transitions. [2020-07-28 19:04:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 256 transitions. [2020-07-28 19:04:13,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 256 transitions. [2020-07-28 19:04:14,350 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:14,367 INFO L225 Difference]: With dead ends: 613 [2020-07-28 19:04:14,367 INFO L226 Difference]: Without dead ends: 428 [2020-07-28 19:04:14,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-07-28 19:04:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 258. [2020-07-28 19:04:15,060 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:15,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 428 states. Second operand 258 states. [2020-07-28 19:04:15,061 INFO L74 IsIncluded]: Start isIncluded. First operand 428 states. Second operand 258 states. [2020-07-28 19:04:15,061 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 258 states. [2020-07-28 19:04:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,072 INFO L93 Difference]: Finished difference Result 428 states and 554 transitions. [2020-07-28 19:04:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 554 transitions. [2020-07-28 19:04:15,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:15,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:15,074 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 428 states. [2020-07-28 19:04:15,074 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 428 states. [2020-07-28 19:04:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:15,085 INFO L93 Difference]: Finished difference Result 428 states and 554 transitions. [2020-07-28 19:04:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 554 transitions. [2020-07-28 19:04:15,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:15,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:15,087 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:15,087 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-07-28 19:04:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 337 transitions. [2020-07-28 19:04:15,093 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 337 transitions. Word has length 73 [2020-07-28 19:04:15,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:15,093 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 337 transitions. [2020-07-28 19:04:15,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 337 transitions. [2020-07-28 19:04:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:15,095 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:15,095 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 19:04:15,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-28 19:04:15,095 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:15,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2020-07-28 19:04:15,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:15,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019129428] [2020-07-28 19:04:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:15,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {14156#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {14158#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,183 INFO L280 TraceCheckUtils]: 2: Hoare triple {14158#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {14158#(= 1 ~systemActive~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,185 INFO L280 TraceCheckUtils]: 4: Hoare triple {14158#(= 1 ~systemActive~0)} assume 0 != main_~tmp~0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,185 INFO L280 TraceCheckUtils]: 5: Hoare triple {14158#(= 1 ~systemActive~0)} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,186 INFO L280 TraceCheckUtils]: 6: Hoare triple {14158#(= 1 ~systemActive~0)} assume !false; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,187 INFO L280 TraceCheckUtils]: 7: Hoare triple {14158#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,187 INFO L280 TraceCheckUtils]: 8: Hoare triple {14158#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,188 INFO L280 TraceCheckUtils]: 9: Hoare triple {14158#(= 1 ~systemActive~0)} assume 0 != test_~tmp~5; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,188 INFO L280 TraceCheckUtils]: 10: Hoare triple {14158#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,189 INFO L280 TraceCheckUtils]: 11: Hoare triple {14158#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,190 INFO L280 TraceCheckUtils]: 12: Hoare triple {14158#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~2); {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,190 INFO L280 TraceCheckUtils]: 13: Hoare triple {14158#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,191 INFO L280 TraceCheckUtils]: 14: Hoare triple {14158#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 15: Hoare triple {14158#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {14158#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 16: Hoare triple {14158#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14156#true} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 17: Hoare triple {14156#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14156#true} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 18: Hoare triple {14156#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {14156#true} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 19: Hoare triple {14156#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {14156#true} is VALID [2020-07-28 19:04:15,192 INFO L280 TraceCheckUtils]: 20: Hoare triple {14156#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {14156#true} is VALID [2020-07-28 19:04:15,193 INFO L280 TraceCheckUtils]: 21: Hoare triple {14156#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {14156#true} is VALID [2020-07-28 19:04:15,193 INFO L280 TraceCheckUtils]: 22: Hoare triple {14156#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {14156#true} is VALID [2020-07-28 19:04:15,193 INFO L280 TraceCheckUtils]: 23: Hoare triple {14156#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 24: Hoare triple {14156#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 25: Hoare triple {14156#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 26: Hoare triple {14156#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 27: Hoare triple {14156#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 28: Hoare triple {14156#true} assume !false; {14156#true} is VALID [2020-07-28 19:04:15,194 INFO L280 TraceCheckUtils]: 29: Hoare triple {14156#true} assume test_~splverifierCounter~0 < 4; {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 30: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 31: Hoare triple {14156#true} assume !(0 != test_~tmp~5); {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 32: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 33: Hoare triple {14156#true} assume !(0 != test_~tmp___0~2); {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 34: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14156#true} is VALID [2020-07-28 19:04:15,195 INFO L280 TraceCheckUtils]: 35: Hoare triple {14156#true} assume 0 != test_~tmp___2~0; {14156#true} is VALID [2020-07-28 19:04:15,196 INFO L280 TraceCheckUtils]: 36: Hoare triple {14156#true} assume 0 != ~pumpRunning~0; {14156#true} is VALID [2020-07-28 19:04:15,196 INFO L280 TraceCheckUtils]: 37: Hoare triple {14156#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14156#true} is VALID [2020-07-28 19:04:15,197 INFO L280 TraceCheckUtils]: 38: Hoare triple {14156#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14156#true} is VALID [2020-07-28 19:04:15,197 INFO L280 TraceCheckUtils]: 39: Hoare triple {14156#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {14156#true} is VALID [2020-07-28 19:04:15,197 INFO L280 TraceCheckUtils]: 40: Hoare triple {14156#true} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {14156#true} is VALID [2020-07-28 19:04:15,198 INFO L280 TraceCheckUtils]: 41: Hoare triple {14156#true} assume !(0 != isLowWaterLevel_~tmp~4);isLowWaterLevel_~tmp___0~1 := 1; {14159#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} is VALID [2020-07-28 19:04:15,199 INFO L280 TraceCheckUtils]: 42: Hoare triple {14159#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14160#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:04:15,200 INFO L280 TraceCheckUtils]: 43: Hoare triple {14160#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {14161#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} is VALID [2020-07-28 19:04:15,200 INFO L280 TraceCheckUtils]: 44: Hoare triple {14161#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 45: Hoare triple {14157#false} assume !(0 == ~pumpRunning~0); {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 46: Hoare triple {14157#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 47: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 48: Hoare triple {14157#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 49: Hoare triple {14157#false} assume !false; {14157#false} is VALID [2020-07-28 19:04:15,201 INFO L280 TraceCheckUtils]: 50: Hoare triple {14157#false} assume test_~splverifierCounter~0 < 4; {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 51: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 52: Hoare triple {14157#false} assume !(0 != test_~tmp~5); {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 53: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 54: Hoare triple {14157#false} assume !(0 != test_~tmp___0~2); {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 55: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14157#false} is VALID [2020-07-28 19:04:15,202 INFO L280 TraceCheckUtils]: 56: Hoare triple {14157#false} assume 0 != test_~tmp___2~0; {14157#false} is VALID [2020-07-28 19:04:15,203 INFO L280 TraceCheckUtils]: 57: Hoare triple {14157#false} assume 0 != ~pumpRunning~0; {14157#false} is VALID [2020-07-28 19:04:15,203 INFO L280 TraceCheckUtils]: 58: Hoare triple {14157#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14157#false} is VALID [2020-07-28 19:04:15,203 INFO L280 TraceCheckUtils]: 59: Hoare triple {14157#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14157#false} is VALID [2020-07-28 19:04:15,203 INFO L280 TraceCheckUtils]: 60: Hoare triple {14157#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {14157#false} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 61: Hoare triple {14157#false} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {14157#false} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 62: Hoare triple {14157#false} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {14157#false} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 63: Hoare triple {14157#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14157#false} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 64: Hoare triple {14157#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {14157#false} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 65: Hoare triple {14157#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14157#false} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 66: Hoare triple {14157#false} assume !(0 == ~pumpRunning~0); {14157#false} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 67: Hoare triple {14157#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14157#false} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 68: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14157#false} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 69: Hoare triple {14157#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {14157#false} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 70: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {14157#false} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 71: Hoare triple {14157#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {14157#false} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 72: Hoare triple {14157#false} assume !false; {14157#false} is VALID [2020-07-28 19:04:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:04:15,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019129428] [2020-07-28 19:04:15,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720101266] [2020-07-28 19:04:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:04:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:15,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:04:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:15,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:15,531 INFO L280 TraceCheckUtils]: 0: Hoare triple {14156#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {14156#true} is VALID [2020-07-28 19:04:15,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {14156#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {14156#true} is VALID [2020-07-28 19:04:15,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {14156#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 3: Hoare triple {14156#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {14156#true} assume 0 != main_~tmp~0; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 5: Hoare triple {14156#true} havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 6: Hoare triple {14156#true} assume !false; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 7: Hoare triple {14156#true} assume test_~splverifierCounter~0 < 4; {14156#true} is VALID [2020-07-28 19:04:15,532 INFO L280 TraceCheckUtils]: 8: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14156#true} is VALID [2020-07-28 19:04:15,533 INFO L280 TraceCheckUtils]: 9: Hoare triple {14156#true} assume 0 != test_~tmp~5; {14156#true} is VALID [2020-07-28 19:04:15,533 INFO L280 TraceCheckUtils]: 10: Hoare triple {14156#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14156#true} is VALID [2020-07-28 19:04:15,533 INFO L280 TraceCheckUtils]: 11: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14156#true} is VALID [2020-07-28 19:04:15,536 INFO L280 TraceCheckUtils]: 12: Hoare triple {14156#true} assume !(0 != test_~tmp___0~2); {14156#true} is VALID [2020-07-28 19:04:15,536 INFO L280 TraceCheckUtils]: 13: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14156#true} is VALID [2020-07-28 19:04:15,536 INFO L280 TraceCheckUtils]: 14: Hoare triple {14156#true} assume 0 != test_~tmp___2~0; {14156#true} is VALID [2020-07-28 19:04:15,536 INFO L280 TraceCheckUtils]: 15: Hoare triple {14156#true} assume !(0 != ~pumpRunning~0); {14156#true} is VALID [2020-07-28 19:04:15,536 INFO L280 TraceCheckUtils]: 16: Hoare triple {14156#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 17: Hoare triple {14156#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 18: Hoare triple {14156#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 19: Hoare triple {14156#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 20: Hoare triple {14156#true} isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret30 && isHighWaterLevel_#t~ret30 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 21: Hoare triple {14156#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; {14156#true} is VALID [2020-07-28 19:04:15,537 INFO L280 TraceCheckUtils]: 22: Hoare triple {14156#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {14156#true} is VALID [2020-07-28 19:04:15,538 INFO L280 TraceCheckUtils]: 23: Hoare triple {14156#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {14156#true} is VALID [2020-07-28 19:04:15,538 INFO L280 TraceCheckUtils]: 24: Hoare triple {14156#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {14156#true} is VALID [2020-07-28 19:04:15,538 INFO L280 TraceCheckUtils]: 25: Hoare triple {14156#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14156#true} is VALID [2020-07-28 19:04:15,543 INFO L280 TraceCheckUtils]: 26: Hoare triple {14156#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14156#true} is VALID [2020-07-28 19:04:15,543 INFO L280 TraceCheckUtils]: 27: Hoare triple {14156#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 28: Hoare triple {14156#true} assume !false; {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 29: Hoare triple {14156#true} assume test_~splverifierCounter~0 < 4; {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 30: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 31: Hoare triple {14156#true} assume !(0 != test_~tmp~5); {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 32: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14156#true} is VALID [2020-07-28 19:04:15,544 INFO L280 TraceCheckUtils]: 33: Hoare triple {14156#true} assume !(0 != test_~tmp___0~2); {14156#true} is VALID [2020-07-28 19:04:15,545 INFO L280 TraceCheckUtils]: 34: Hoare triple {14156#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14156#true} is VALID [2020-07-28 19:04:15,545 INFO L280 TraceCheckUtils]: 35: Hoare triple {14156#true} assume 0 != test_~tmp___2~0; {14156#true} is VALID [2020-07-28 19:04:15,545 INFO L280 TraceCheckUtils]: 36: Hoare triple {14156#true} assume 0 != ~pumpRunning~0; {14156#true} is VALID [2020-07-28 19:04:15,548 INFO L280 TraceCheckUtils]: 37: Hoare triple {14156#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14156#true} is VALID [2020-07-28 19:04:15,549 INFO L280 TraceCheckUtils]: 38: Hoare triple {14156#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14156#true} is VALID [2020-07-28 19:04:15,549 INFO L280 TraceCheckUtils]: 39: Hoare triple {14156#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {14156#true} is VALID [2020-07-28 19:04:15,549 INFO L280 TraceCheckUtils]: 40: Hoare triple {14156#true} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {14156#true} is VALID [2020-07-28 19:04:15,558 INFO L280 TraceCheckUtils]: 41: Hoare triple {14156#true} assume !(0 != isLowWaterLevel_~tmp~4);isLowWaterLevel_~tmp___0~1 := 1; {14288#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:15,560 INFO L280 TraceCheckUtils]: 42: Hoare triple {14288#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14292#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:04:15,561 INFO L280 TraceCheckUtils]: 43: Hoare triple {14292#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {14296#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:04:15,561 INFO L280 TraceCheckUtils]: 44: Hoare triple {14296#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14157#false} is VALID [2020-07-28 19:04:15,562 INFO L280 TraceCheckUtils]: 45: Hoare triple {14157#false} assume !(0 == ~pumpRunning~0); {14157#false} is VALID [2020-07-28 19:04:15,562 INFO L280 TraceCheckUtils]: 46: Hoare triple {14157#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14157#false} is VALID [2020-07-28 19:04:15,562 INFO L280 TraceCheckUtils]: 47: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14157#false} is VALID [2020-07-28 19:04:15,562 INFO L280 TraceCheckUtils]: 48: Hoare triple {14157#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); {14157#false} is VALID [2020-07-28 19:04:15,562 INFO L280 TraceCheckUtils]: 49: Hoare triple {14157#false} assume !false; {14157#false} is VALID [2020-07-28 19:04:15,563 INFO L280 TraceCheckUtils]: 50: Hoare triple {14157#false} assume test_~splverifierCounter~0 < 4; {14157#false} is VALID [2020-07-28 19:04:15,563 INFO L280 TraceCheckUtils]: 51: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; {14157#false} is VALID [2020-07-28 19:04:15,563 INFO L280 TraceCheckUtils]: 52: Hoare triple {14157#false} assume !(0 != test_~tmp~5); {14157#false} is VALID [2020-07-28 19:04:15,563 INFO L280 TraceCheckUtils]: 53: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; {14157#false} is VALID [2020-07-28 19:04:15,566 INFO L280 TraceCheckUtils]: 54: Hoare triple {14157#false} assume !(0 != test_~tmp___0~2); {14157#false} is VALID [2020-07-28 19:04:15,567 INFO L280 TraceCheckUtils]: 55: Hoare triple {14157#false} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; {14157#false} is VALID [2020-07-28 19:04:15,567 INFO L280 TraceCheckUtils]: 56: Hoare triple {14157#false} assume 0 != test_~tmp___2~0; {14157#false} is VALID [2020-07-28 19:04:15,567 INFO L280 TraceCheckUtils]: 57: Hoare triple {14157#false} assume 0 != ~pumpRunning~0; {14157#false} is VALID [2020-07-28 19:04:15,567 INFO L280 TraceCheckUtils]: 58: Hoare triple {14157#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14157#false} is VALID [2020-07-28 19:04:15,567 INFO L280 TraceCheckUtils]: 59: Hoare triple {14157#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 60: Hoare triple {14157#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret31, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~4, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~4;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; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 61: Hoare triple {14157#false} isLowWaterLevel_#t~ret31 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret31 && isLowWaterLevel_#t~ret31 <= 2147483647;isLowWaterLevel_~tmp~4 := isLowWaterLevel_#t~ret31;havoc isLowWaterLevel_#t~ret31; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 62: Hoare triple {14157#false} assume 0 != isLowWaterLevel_~tmp~4;isLowWaterLevel_~tmp___0~1 := 0; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 63: Hoare triple {14157#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 64: Hoare triple {14157#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {14157#false} is VALID [2020-07-28 19:04:15,568 INFO L280 TraceCheckUtils]: 65: Hoare triple {14157#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {14157#false} is VALID [2020-07-28 19:04:15,569 INFO L280 TraceCheckUtils]: 66: Hoare triple {14157#false} assume !(0 == ~pumpRunning~0); {14157#false} is VALID [2020-07-28 19:04:15,569 INFO L280 TraceCheckUtils]: 67: Hoare triple {14157#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;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; {14157#false} is VALID [2020-07-28 19:04:15,569 INFO L280 TraceCheckUtils]: 68: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14157#false} is VALID [2020-07-28 19:04:15,569 INFO L280 TraceCheckUtils]: 69: Hoare triple {14157#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {14157#false} is VALID [2020-07-28 19:04:15,573 INFO L280 TraceCheckUtils]: 70: Hoare triple {14157#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {14157#false} is VALID [2020-07-28 19:04:15,574 INFO L280 TraceCheckUtils]: 71: Hoare triple {14157#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {14157#false} is VALID [2020-07-28 19:04:15,574 INFO L280 TraceCheckUtils]: 72: Hoare triple {14157#false} assume !false; {14157#false} is VALID [2020-07-28 19:04:15,577 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 19:04:15,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:04:15,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 19:04:15,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996501434] [2020-07-28 19:04:15,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:15,582 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:15,582 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:15,651 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 19:04:15,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:15,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:15,652 INFO L87 Difference]: Start difference. First operand 258 states and 337 transitions. Second operand 5 states. [2020-07-28 19:04:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,748 INFO L93 Difference]: Finished difference Result 442 states and 573 transitions. [2020-07-28 19:04:16,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:16,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2020-07-28 19:04:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2020-07-28 19:04:16,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 178 transitions. [2020-07-28 19:04:16,959 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 19:04:16,959 INFO L225 Difference]: With dead ends: 442 [2020-07-28 19:04:16,959 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:04:16,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 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 19:04:16,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:04:16,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:04:16,961 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:16,961 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:16,962 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:16,962 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:16,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,962 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:16,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,962 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:16,963 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:16,963 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:16,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:16,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:16,964 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:16,964 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:04:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:04:16,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-07-28 19:04:16,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:16,965 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:04:16,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:16,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:17,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-28 19:04:17,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:04:17,411 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-07-28 19:04:17,684 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-07-28 19:04:17,850 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 115 [2020-07-28 19:04:18,144 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 135 [2020-07-28 19:04:19,189 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-07-28 19:04:19,349 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 21 [2020-07-28 19:04:19,684 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 20 [2020-07-28 19:04:20,543 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-07-28 19:04:21,061 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2020-07-28 19:04:21,239 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-07-28 19:04:21,516 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2020-07-28 19:04:22,366 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2020-07-28 19:04:22,817 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 38 [2020-07-28 19:04:23,190 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 35 [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point L433-5(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,198 INFO L268 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,199 INFO L268 CegarLoopResult]: For program point L433-8(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,199 INFO L268 CegarLoopResult]: For program point L433-9(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,199 INFO L268 CegarLoopResult]: For program point L433-11(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,199 INFO L268 CegarLoopResult]: For program point L433-12(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L433-14(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L433-15(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L433-17(lines 433 437) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L335-1(lines 335 343) no Hoare annotation was computed. [2020-07-28 19:04:23,200 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L264 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L305-2(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L305-3(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L305-4(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,201 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L305-5(lines 305 322) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L264 CegarLoopResult]: At program point L273(lines 272 291) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2))) [2020-07-28 19:04:23,202 INFO L268 CegarLoopResult]: For program point L273-1(lines 273 279) no Hoare annotation was computed. [2020-07-28 19:04:23,202 INFO L264 CegarLoopResult]: At program point L273-2(lines 272 291) the Hoare annotation is: false [2020-07-28 19:04:23,202 INFO L264 CegarLoopResult]: At program point L273-3(lines 272 291) the Hoare annotation is: false [2020-07-28 19:04:23,203 INFO L268 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-07-28 19:04:23,203 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-28 19:04:23,203 INFO L264 CegarLoopResult]: At program point L571-1(lines 1 953) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:23,203 INFO L268 CegarLoopResult]: For program point L571-2(lines 571 584) no Hoare annotation was computed. [2020-07-28 19:04:23,203 INFO L264 CegarLoopResult]: At program point L571-3(lines 1 953) the Hoare annotation is: false [2020-07-28 19:04:23,204 INFO L264 CegarLoopResult]: At program point L439(lines 424 442) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,204 INFO L268 CegarLoopResult]: For program point L571-4(lines 571 584) no Hoare annotation was computed. [2020-07-28 19:04:23,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,204 INFO L264 CegarLoopResult]: At program point L439-1(lines 424 442) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2))) [2020-07-28 19:04:23,204 INFO L264 CegarLoopResult]: At program point L571-5(lines 1 953) the Hoare annotation is: false [2020-07-28 19:04:23,205 INFO L264 CegarLoopResult]: At program point L439-2(lines 424 442) the Hoare annotation is: false [2020-07-28 19:04:23,205 INFO L264 CegarLoopResult]: At program point L439-3(lines 424 442) the Hoare annotation is: false [2020-07-28 19:04:23,205 INFO L264 CegarLoopResult]: At program point L439-4(lines 424 442) the Hoare annotation is: false [2020-07-28 19:04:23,205 INFO L264 CegarLoopResult]: At program point L439-5(lines 424 442) the Hoare annotation is: false [2020-07-28 19:04:23,205 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-07-28 19:04:23,205 INFO L268 CegarLoopResult]: For program point L176-1(lines 273 279) no Hoare annotation was computed. [2020-07-28 19:04:23,205 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,205 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,205 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309-1(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309-3(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309-4(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L309-5(lines 309 317) no Hoare annotation was computed. [2020-07-28 19:04:23,206 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145(lines 136 149) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145-1(lines 136 149) 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 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2020-07-28 19:04:23,207 INFO L264 CegarLoopResult]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2020-07-28 19:04:23,207 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-28 19:04:23,207 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-07-28 19:04:23,207 INFO L268 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2020-07-28 19:04:23,207 INFO L268 CegarLoopResult]: For program point L509-2(lines 273 279) no Hoare annotation was computed. [2020-07-28 19:04:23,208 INFO L268 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2020-07-28 19:04:23,208 INFO L264 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse1) (and .cse0 .cse2 (= 1 ~waterLevel~0) .cse1) (and (<= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse2 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) .cse1))) [2020-07-28 19:04:23,208 INFO L264 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: false [2020-07-28 19:04:23,208 INFO L264 CegarLoopResult]: At program point L280-2(lines 280 286) the Hoare annotation is: false [2020-07-28 19:04:23,208 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-07-28 19:04:23,208 INFO L271 CegarLoopResult]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2020-07-28 19:04:23,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:04:23,209 INFO L268 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2020-07-28 19:04:23,209 INFO L264 CegarLoopResult]: At program point L483-1(lines 483 489) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse3) (and .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:04:23,209 INFO L264 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: false [2020-07-28 19:04:23,209 INFO L264 CegarLoopResult]: At program point L384-1(lines 379 387) the Hoare annotation is: false [2020-07-28 19:04:23,209 INFO L264 CegarLoopResult]: At program point L384-2(lines 379 387) the Hoare annotation is: false [2020-07-28 19:04:23,210 INFO L268 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-07-28 19:04:23,210 INFO L264 CegarLoopResult]: At program point L550(lines 1 953) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,210 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,210 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,210 INFO L268 CegarLoopResult]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,211 INFO L268 CegarLoopResult]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,211 INFO L268 CegarLoopResult]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,211 INFO L264 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,211 INFO L268 CegarLoopResult]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2020-07-28 19:04:23,211 INFO L264 CegarLoopResult]: At program point L155(lines 150 158) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,212 INFO L264 CegarLoopResult]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2020-07-28 19:04:23,212 INFO L264 CegarLoopResult]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2020-07-28 19:04:23,212 INFO L264 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: false [2020-07-28 19:04:23,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:04:23,212 INFO L271 CegarLoopResult]: At program point L257(lines 238 260) the Hoare annotation is: true [2020-07-28 19:04:23,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:04:23,213 INFO L264 CegarLoopResult]: At program point L458(lines 443 461) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,213 INFO L264 CegarLoopResult]: At program point L458-1(lines 443 461) the Hoare annotation is: false [2020-07-28 19:04:23,213 INFO L264 CegarLoopResult]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2020-07-28 19:04:23,213 INFO L264 CegarLoopResult]: At program point L558(lines 553 561) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:23,213 INFO L268 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2020-07-28 19:04:23,214 INFO L268 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-07-28 19:04:23,214 INFO L268 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2020-07-28 19:04:23,214 INFO L268 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2020-07-28 19:04:23,214 INFO L264 CegarLoopResult]: At program point L493-1(lines 493 499) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse3) (and .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:04:23,214 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:04:23,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:04:23,215 INFO L264 CegarLoopResult]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 .cse1 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse2 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) .cse3) (and (<= 2 ~waterLevel~0) .cse0 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:04:23,215 INFO L264 CegarLoopResult]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2020-07-28 19:04:23,215 INFO L264 CegarLoopResult]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2020-07-28 19:04:23,216 INFO L268 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2020-07-28 19:04:23,216 INFO L268 CegarLoopResult]: For program point L331-1(lines 331 348) no Hoare annotation was computed. [2020-07-28 19:04:23,216 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 348) no Hoare annotation was computed. [2020-07-28 19:04:23,221 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:04:23,221 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:04:23,227 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 19:04:23,227 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 19:04:23,227 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 19:04:23,229 WARN L170 areAnnotationChecker]: L474 has no Hoare annotation [2020-07-28 19:04:23,229 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:23,229 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L474 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L474 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L63-3 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L63-3 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-28 19:04:23,230 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L493 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 19:04:23,231 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L571-2 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L493 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L493 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L140-3 has no Hoare annotation [2020-07-28 19:04:23,232 WARN L170 areAnnotationChecker]: L140-3 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L571-2 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L571-2 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-28 19:04:23,233 WARN L170 areAnnotationChecker]: L452-5 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L433-9 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L575-2 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L335-1 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L433-9 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L433-9 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L575-2 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L575-2 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 19:04:23,234 WARN L170 areAnnotationChecker]: L509-2 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L509-2 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L509 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L509 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L335-1 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L335-1 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L433-11 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 19:04:23,235 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:04:23,236 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:04:23,236 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L309-3 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:04:23,245 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L309-3 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L309-3 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L305-1 has no Hoare annotation [2020-07-28 19:04:23,247 WARN L170 areAnnotationChecker]: L305-1 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L433-6 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L63-6 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L63-6 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:23,248 WARN L170 areAnnotationChecker]: L433-6 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L433-6 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L452-2 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L433-3 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L433-8 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L305-5 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L305-5 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L571-4 has no Hoare annotation [2020-07-28 19:04:23,249 WARN L170 areAnnotationChecker]: L335 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L433-3 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L433-3 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L309-2 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L140-5 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L140-5 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L571-4 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L571-4 has no Hoare annotation [2020-07-28 19:04:23,250 WARN L170 areAnnotationChecker]: L335 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L335 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L433-5 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L309-2 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L309-2 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L452-8 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L433-15 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L575-4 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:04:23,251 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L433-15 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L433-15 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L575-4 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L575-4 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2020-07-28 19:04:23,252 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L433-17 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L305-4 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L305-4 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L309-5 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2020-07-28 19:04:23,253 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L309-5 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L309-5 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L433-2 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L433-12 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L433-12 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L433-12 has no Hoare annotation [2020-07-28 19:04:23,254 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:04:23,255 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:04:23,255 WARN L170 areAnnotationChecker]: L433-14 has no Hoare annotation [2020-07-28 19:04:23,255 WARN L170 areAnnotationChecker]: L309-4 has no Hoare annotation [2020-07-28 19:04:23,255 WARN L170 areAnnotationChecker]: L309-4 has no Hoare annotation [2020-07-28 19:04:23,255 WARN L170 areAnnotationChecker]: L309-4 has no Hoare annotation [2020-07-28 19:04:23,255 INFO L163 areAnnotationChecker]: CFG has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:04:23,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:04:23 BoogieIcfgContainer [2020-07-28 19:04:23,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:04:23,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:04:23,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:04:23,284 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:04:23,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:51" (3/4) ... [2020-07-28 19:04:23,288 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:04:23,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:04:23,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:04:23,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:04:23,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:04:23,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:04:23,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:23,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:23,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 <= tmp) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 2 <= tmp) && 0 == \result) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:23,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) [2020-07-28 19:04:23,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:23,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == tmp) && 1 == systemActive [2020-07-28 19:04:23,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:04:23,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive [2020-07-28 19:04:23,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive) [2020-07-28 19:04:23,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:04:23,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive [2020-07-28 19:04:23,422 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:04:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:04:23,424 INFO L168 Benchmark]: Toolchain (without parser) took 33936.01 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 530.6 MB). Free memory was 957.5 MB in the beginning and 995.2 MB in the end (delta: -37.6 MB). Peak memory consumption was 493.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,425 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:23,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.53 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,426 INFO L168 Benchmark]: Boogie Preprocessor took 51.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:23,426 INFO L168 Benchmark]: RCFGBuilder took 1577.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.1 MB in the end (delta: 169.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,427 INFO L168 Benchmark]: TraceAbstraction took 31395.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.8 MB). Free memory was 923.1 MB in the beginning and 1.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,427 INFO L168 Benchmark]: Witness Printer took 139.01 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:23,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 667.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.53 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1577.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.1 MB in the end (delta: 169.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31395.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.8 MB). Free memory was 923.1 MB in the beginning and 1.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. * Witness Printer took 139.01 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == tmp) && 1 == systemActive - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 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: 483]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= waterLevel) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((((1 == \result && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 <= tmp) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 2 <= tmp) && 0 == \result) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((1 <= tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && 2 <= \result) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1559 SDtfs, 2107 SDslu, 2493 SDs, 0 SdLazy, 433 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1076 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 105 NumberOfFragments, 550 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1153547 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 228119 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 690 ConstructedInterpolants, 0 QuantifiedInterpolants, 56868 SizeOfPredicates, 8 NumberOfNonLiveVariables, 855 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 195/217 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...