./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product45.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_spec2_product45.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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:50,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:50,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:50,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:50,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:50,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:50,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:50,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:50,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:50,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:50,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:50,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:50,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:50,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:50,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:50,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:50,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:50,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:50,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:50,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:50,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:50,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:50,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:50,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:50,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:50,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:50,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:50,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:50,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:50,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:50,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:50,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:50,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:50,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:50,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:50,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:50,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:50,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:50,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:50,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:50,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:50,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:50,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:50,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:50,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:50,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:50,316 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:50,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:50,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:50,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:50,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:50,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:50,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:50,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:50,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:50,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:50,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:50,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:50,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:50,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:50,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:50,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:50,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:50,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:50,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:50,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:50,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:50,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:50,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:50,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:50,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:50,323 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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2020-07-28 18:59:50,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:50,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:50,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:50,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:50,657 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:50,658 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2020-07-28 18:59:50,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94b6db1b9/ea3e79ca7f5e4bd69460525a97b1ccaa/FLAG0a2d0bbb6 [2020-07-28 18:59:51,302 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:51,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2020-07-28 18:59:51,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94b6db1b9/ea3e79ca7f5e4bd69460525a97b1ccaa/FLAG0a2d0bbb6 [2020-07-28 18:59:51,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94b6db1b9/ea3e79ca7f5e4bd69460525a97b1ccaa [2020-07-28 18:59:51,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:51,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:51,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:51,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:51,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:51,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:51" (1/1) ... [2020-07-28 18:59:51,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b686f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:51, skipping insertion in model container [2020-07-28 18:59:51,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:51" (1/1) ... [2020-07-28 18:59:51,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:51,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:52,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:52,117 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:52,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:52,248 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:52,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52 WrapperNode [2020-07-28 18:59:52,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:52,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:52,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:52,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:52,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:52,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:52,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:52,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:52,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (1/1) ... [2020-07-28 18:59:52,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:52,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:52,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:52,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:52,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (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 18:59:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:54,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:54,237 INFO L295 CfgBuilder]: Removed 194 assume(true) statements. [2020-07-28 18:59:54,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:54 BoogieIcfgContainer [2020-07-28 18:59:54,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:54,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:54,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:54,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:54,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:51" (1/3) ... [2020-07-28 18:59:54,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1858a1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:54, skipping insertion in model container [2020-07-28 18:59:54,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:52" (2/3) ... [2020-07-28 18:59:54,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1858a1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:54, skipping insertion in model container [2020-07-28 18:59:54,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:54" (3/3) ... [2020-07-28 18:59:54,251 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-07-28 18:59:54,262 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:54,271 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:54,287 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:54,313 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:54,314 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:54,314 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:54,314 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:54,315 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:54,315 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:54,315 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:54,315 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-07-28 18:59:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:54,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:54,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:54,346 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:54,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:54,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2020-07-28 18:59:54,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:54,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973861345] [2020-07-28 18:59:54,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:54,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {136#true} is VALID [2020-07-28 18:59:54,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {136#true} is VALID [2020-07-28 18:59:54,723 INFO L280 TraceCheckUtils]: 2: Hoare triple {136#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {136#true} is VALID [2020-07-28 18:59:54,723 INFO L280 TraceCheckUtils]: 3: Hoare triple {136#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {136#true} is VALID [2020-07-28 18:59:54,724 INFO L280 TraceCheckUtils]: 4: Hoare triple {136#true} assume 0 != main_~tmp~3; {136#true} is VALID [2020-07-28 18:59:54,724 INFO L280 TraceCheckUtils]: 5: Hoare triple {136#true} ~methAndRunningLastTime~0 := 0; {136#true} is VALID [2020-07-28 18:59:54,725 INFO L280 TraceCheckUtils]: 6: Hoare triple {136#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {136#true} is VALID [2020-07-28 18:59:54,726 INFO L280 TraceCheckUtils]: 7: Hoare triple {136#true} assume !true; {137#false} is VALID [2020-07-28 18:59:54,727 INFO L280 TraceCheckUtils]: 8: Hoare triple {137#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {137#false} is VALID [2020-07-28 18:59:54,727 INFO L280 TraceCheckUtils]: 9: Hoare triple {137#false} assume !(0 != ~pumpRunning~0); {137#false} is VALID [2020-07-28 18:59:54,728 INFO L280 TraceCheckUtils]: 10: Hoare triple {137#false} assume !(0 != ~systemActive~0); {137#false} is VALID [2020-07-28 18:59:54,728 INFO L280 TraceCheckUtils]: 11: Hoare triple {137#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {137#false} is VALID [2020-07-28 18:59:54,728 INFO L280 TraceCheckUtils]: 12: Hoare triple {137#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {137#false} is VALID [2020-07-28 18:59:54,729 INFO L280 TraceCheckUtils]: 13: Hoare triple {137#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {137#false} is VALID [2020-07-28 18:59:54,729 INFO L280 TraceCheckUtils]: 14: Hoare triple {137#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {137#false} is VALID [2020-07-28 18:59:54,730 INFO L280 TraceCheckUtils]: 15: Hoare triple {137#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {137#false} is VALID [2020-07-28 18:59:54,730 INFO L280 TraceCheckUtils]: 16: Hoare triple {137#false} assume 0 != ~methAndRunningLastTime~0; {137#false} is VALID [2020-07-28 18:59:54,731 INFO L280 TraceCheckUtils]: 17: Hoare triple {137#false} assume !false; {137#false} is VALID [2020-07-28 18:59:54,735 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 18:59:54,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973861345] [2020-07-28 18:59:54,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:54,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:54,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682375082] [2020-07-28 18:59:54,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:54,748 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:54,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:54,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:54,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:54,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:54,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:54,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:54,808 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2020-07-28 18:59:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,144 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2020-07-28 18:59:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:55,144 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:55,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 390 transitions. [2020-07-28 18:59:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 390 transitions. [2020-07-28 18:59:55,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 390 transitions. [2020-07-28 18:59:55,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 390 edges. 390 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:55,729 INFO L225 Difference]: With dead ends: 259 [2020-07-28 18:59:55,729 INFO L226 Difference]: Without dead ends: 129 [2020-07-28 18:59:55,736 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 18:59:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-28 18:59:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-28 18:59:55,794 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:55,795 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand 129 states. [2020-07-28 18:59:55,795 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 129 states. [2020-07-28 18:59:55,796 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 129 states. [2020-07-28 18:59:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,804 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-07-28 18:59:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-07-28 18:59:55,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:55,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:55,806 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 129 states. [2020-07-28 18:59:55,806 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 129 states. [2020-07-28 18:59:55,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,814 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-07-28 18:59:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-07-28 18:59:55,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:55,816 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:55,816 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:55,816 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-28 18:59:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2020-07-28 18:59:55,826 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2020-07-28 18:59:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:55,827 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2020-07-28 18:59:55,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-07-28 18:59:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:55,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:55,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:55,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:55,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:55,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:55,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2020-07-28 18:59:55,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:55,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969610798] [2020-07-28 18:59:55,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:56,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {945#true} is VALID [2020-07-28 18:59:56,023 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {945#true} is VALID [2020-07-28 18:59:56,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {945#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {945#true} is VALID [2020-07-28 18:59:56,023 INFO L280 TraceCheckUtils]: 3: Hoare triple {945#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {945#true} is VALID [2020-07-28 18:59:56,024 INFO L280 TraceCheckUtils]: 4: Hoare triple {945#true} assume 0 != main_~tmp~3; {945#true} is VALID [2020-07-28 18:59:56,024 INFO L280 TraceCheckUtils]: 5: Hoare triple {945#true} ~methAndRunningLastTime~0 := 0; {945#true} is VALID [2020-07-28 18:59:56,025 INFO L280 TraceCheckUtils]: 6: Hoare triple {945#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {947#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:56,026 INFO L280 TraceCheckUtils]: 7: Hoare triple {947#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {947#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:56,026 INFO L280 TraceCheckUtils]: 8: Hoare triple {947#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {946#false} is VALID [2020-07-28 18:59:56,027 INFO L280 TraceCheckUtils]: 9: Hoare triple {946#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {946#false} is VALID [2020-07-28 18:59:56,027 INFO L280 TraceCheckUtils]: 10: Hoare triple {946#false} assume !(0 != ~pumpRunning~0); {946#false} is VALID [2020-07-28 18:59:56,027 INFO L280 TraceCheckUtils]: 11: Hoare triple {946#false} assume !(0 != ~systemActive~0); {946#false} is VALID [2020-07-28 18:59:56,028 INFO L280 TraceCheckUtils]: 12: Hoare triple {946#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {946#false} is VALID [2020-07-28 18:59:56,028 INFO L280 TraceCheckUtils]: 13: Hoare triple {946#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {946#false} is VALID [2020-07-28 18:59:56,028 INFO L280 TraceCheckUtils]: 14: Hoare triple {946#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {946#false} is VALID [2020-07-28 18:59:56,028 INFO L280 TraceCheckUtils]: 15: Hoare triple {946#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {946#false} is VALID [2020-07-28 18:59:56,029 INFO L280 TraceCheckUtils]: 16: Hoare triple {946#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {946#false} is VALID [2020-07-28 18:59:56,029 INFO L280 TraceCheckUtils]: 17: Hoare triple {946#false} assume 0 != ~methAndRunningLastTime~0; {946#false} is VALID [2020-07-28 18:59:56,029 INFO L280 TraceCheckUtils]: 18: Hoare triple {946#false} assume !false; {946#false} is VALID [2020-07-28 18:59:56,031 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 18:59:56,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969610798] [2020-07-28 18:59:56,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:56,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:56,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079065424] [2020-07-28 18:59:56,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:56,033 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:56,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:56,062 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:56,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:56,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:56,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:56,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:56,063 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2020-07-28 18:59:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:56,312 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-07-28 18:59:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:56,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 18:59:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 18:59:56,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 187 transitions. [2020-07-28 18:59:56,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:56,521 INFO L225 Difference]: With dead ends: 129 [2020-07-28 18:59:56,522 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:59:56,525 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 18:59:56,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:59:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:59:56,550 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:56,551 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:56,551 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:56,551 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:56,555 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:59:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:59:56,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:56,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:56,556 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:56,556 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:56,560 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:59:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:59:56,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:56,561 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:56,561 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:56,561 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:59:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-07-28 18:59:56,563 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-07-28 18:59:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:56,563 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-07-28 18:59:56,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:59:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:56,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:56,565 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 18:59:56,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:56,565 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:56,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:56,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2020-07-28 18:59:56,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:56,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614894031] [2020-07-28 18:59:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:56,743 INFO L280 TraceCheckUtils]: 0: Hoare triple {1312#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {1314#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {1314#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,747 INFO L280 TraceCheckUtils]: 3: Hoare triple {1314#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {1314#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,752 INFO L280 TraceCheckUtils]: 5: Hoare triple {1314#(= 1 ~systemActive~0)} ~methAndRunningLastTime~0 := 0; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,753 INFO L280 TraceCheckUtils]: 6: Hoare triple {1314#(= 1 ~systemActive~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,753 INFO L280 TraceCheckUtils]: 7: Hoare triple {1314#(= 1 ~systemActive~0)} assume !false; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,754 INFO L280 TraceCheckUtils]: 8: Hoare triple {1314#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,755 INFO L280 TraceCheckUtils]: 9: Hoare triple {1314#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,756 INFO L280 TraceCheckUtils]: 10: Hoare triple {1314#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~8); {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,756 INFO L280 TraceCheckUtils]: 11: Hoare triple {1314#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,757 INFO L280 TraceCheckUtils]: 12: Hoare triple {1314#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,761 INFO L280 TraceCheckUtils]: 13: Hoare triple {1314#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,761 INFO L280 TraceCheckUtils]: 14: Hoare triple {1314#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,762 INFO L280 TraceCheckUtils]: 15: Hoare triple {1314#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1314#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:56,763 INFO L280 TraceCheckUtils]: 16: Hoare triple {1314#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1313#false} is VALID [2020-07-28 18:59:56,764 INFO L280 TraceCheckUtils]: 17: Hoare triple {1313#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {1313#false} is VALID [2020-07-28 18:59:56,764 INFO L280 TraceCheckUtils]: 18: Hoare triple {1313#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {1313#false} is VALID [2020-07-28 18:59:56,764 INFO L280 TraceCheckUtils]: 19: Hoare triple {1313#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1313#false} is VALID [2020-07-28 18:59:56,765 INFO L280 TraceCheckUtils]: 20: Hoare triple {1313#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {1313#false} is VALID [2020-07-28 18:59:56,765 INFO L280 TraceCheckUtils]: 21: Hoare triple {1313#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {1313#false} is VALID [2020-07-28 18:59:56,765 INFO L280 TraceCheckUtils]: 22: Hoare triple {1313#false} assume 0 != ~methAndRunningLastTime~0; {1313#false} is VALID [2020-07-28 18:59:56,766 INFO L280 TraceCheckUtils]: 23: Hoare triple {1313#false} assume !false; {1313#false} is VALID [2020-07-28 18:59:56,767 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 18:59:56,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614894031] [2020-07-28 18:59:56,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:56,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:56,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344766124] [2020-07-28 18:59:56,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:56,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:56,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:56,809 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 18:59:56,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:56,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:56,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:56,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:56,811 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-07-28 18:59:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:56,983 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2020-07-28 18:59:56,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:56,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:56,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 18:59:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 18:59:56,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 145 transitions. [2020-07-28 18:59:57,151 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:57,152 INFO L225 Difference]: With dead ends: 99 [2020-07-28 18:59:57,153 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:59:57,153 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 18:59:57,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:59:57,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:59:57,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:57,188 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:57,188 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:57,191 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:57,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,194 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:59:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:59:57,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,198 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:57,198 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:59:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,200 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:59:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:59:57,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,201 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:57,201 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:59:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-07-28 18:59:57,206 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-07-28 18:59:57,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:57,207 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-07-28 18:59:57,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:59:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:57,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:57,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:57,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:57,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:57,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2020-07-28 18:59:57,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:57,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851358481] [2020-07-28 18:59:57,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:57,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {1634#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {1636#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {1636#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,276 INFO L280 TraceCheckUtils]: 3: Hoare triple {1636#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,282 INFO L280 TraceCheckUtils]: 4: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,285 INFO L280 TraceCheckUtils]: 5: Hoare triple {1636#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {1636#(= 0 ~pumpRunning~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,290 INFO L280 TraceCheckUtils]: 7: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !false; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,293 INFO L280 TraceCheckUtils]: 8: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,294 INFO L280 TraceCheckUtils]: 9: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,296 INFO L280 TraceCheckUtils]: 10: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,299 INFO L280 TraceCheckUtils]: 11: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,302 INFO L280 TraceCheckUtils]: 12: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,302 INFO L280 TraceCheckUtils]: 13: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,303 INFO L280 TraceCheckUtils]: 14: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,304 INFO L280 TraceCheckUtils]: 15: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,304 INFO L280 TraceCheckUtils]: 16: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,305 INFO L280 TraceCheckUtils]: 17: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {1636#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:57,305 INFO L280 TraceCheckUtils]: 18: Hoare triple {1636#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1635#false} is VALID [2020-07-28 18:59:57,306 INFO L280 TraceCheckUtils]: 19: Hoare triple {1635#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {1635#false} is VALID [2020-07-28 18:59:57,306 INFO L280 TraceCheckUtils]: 20: Hoare triple {1635#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {1635#false} is VALID [2020-07-28 18:59:57,306 INFO L280 TraceCheckUtils]: 21: Hoare triple {1635#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1635#false} is VALID [2020-07-28 18:59:57,306 INFO L280 TraceCheckUtils]: 22: Hoare triple {1635#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {1635#false} is VALID [2020-07-28 18:59:57,307 INFO L280 TraceCheckUtils]: 23: Hoare triple {1635#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {1635#false} is VALID [2020-07-28 18:59:57,307 INFO L280 TraceCheckUtils]: 24: Hoare triple {1635#false} assume 0 != ~methAndRunningLastTime~0; {1635#false} is VALID [2020-07-28 18:59:57,307 INFO L280 TraceCheckUtils]: 25: Hoare triple {1635#false} assume !false; {1635#false} is VALID [2020-07-28 18:59:57,308 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 18:59:57,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851358481] [2020-07-28 18:59:57,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:57,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:57,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132387372] [2020-07-28 18:59:57,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 18:59:57,311 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:57,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:57,349 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:57,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:57,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:57,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:57,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:57,350 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-07-28 18:59:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,576 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2020-07-28 18:59:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:57,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 18:59:57,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-28 18:59:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-28 18:59:57,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 175 transitions. [2020-07-28 18:59:57,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:57,793 INFO L225 Difference]: With dead ends: 121 [2020-07-28 18:59:57,794 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 18:59:57,794 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 18:59:57,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 18:59:57,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-07-28 18:59:57,840 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:57,840 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 73 states. [2020-07-28 18:59:57,840 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 73 states. [2020-07-28 18:59:57,841 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 73 states. [2020-07-28 18:59:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,844 INFO L93 Difference]: Finished difference Result 75 states and 104 transitions. [2020-07-28 18:59:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-07-28 18:59:57,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,844 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,845 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 75 states. [2020-07-28 18:59:57,845 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 75 states. [2020-07-28 18:59:57,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,848 INFO L93 Difference]: Finished difference Result 75 states and 104 transitions. [2020-07-28 18:59:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-07-28 18:59:57,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,849 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:57,849 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-28 18:59:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2020-07-28 18:59:57,852 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2020-07-28 18:59:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:57,852 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2020-07-28 18:59:57,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-07-28 18:59:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:59:57,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:57,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:57,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:57,855 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:57,856 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2020-07-28 18:59:57,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:57,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858070219] [2020-07-28 18:59:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:57,933 INFO L280 TraceCheckUtils]: 0: Hoare triple {2056#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,934 INFO L280 TraceCheckUtils]: 1: Hoare triple {2058#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,935 INFO L280 TraceCheckUtils]: 2: Hoare triple {2058#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,937 INFO L280 TraceCheckUtils]: 3: Hoare triple {2058#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,942 INFO L280 TraceCheckUtils]: 4: Hoare triple {2058#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,943 INFO L280 TraceCheckUtils]: 5: Hoare triple {2058#(= 1 ~systemActive~0)} ~methAndRunningLastTime~0 := 0; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,943 INFO L280 TraceCheckUtils]: 6: Hoare triple {2058#(= 1 ~systemActive~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,944 INFO L280 TraceCheckUtils]: 7: Hoare triple {2058#(= 1 ~systemActive~0)} assume !false; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,945 INFO L280 TraceCheckUtils]: 8: Hoare triple {2058#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,945 INFO L280 TraceCheckUtils]: 9: Hoare triple {2058#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,946 INFO L280 TraceCheckUtils]: 10: Hoare triple {2058#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~8); {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,947 INFO L280 TraceCheckUtils]: 11: Hoare triple {2058#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,947 INFO L280 TraceCheckUtils]: 12: Hoare triple {2058#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,948 INFO L280 TraceCheckUtils]: 13: Hoare triple {2058#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,949 INFO L280 TraceCheckUtils]: 14: Hoare triple {2058#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,949 INFO L280 TraceCheckUtils]: 15: Hoare triple {2058#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {2058#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:57,950 INFO L280 TraceCheckUtils]: 16: Hoare triple {2058#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {2056#true} is VALID [2020-07-28 18:59:57,950 INFO L280 TraceCheckUtils]: 17: Hoare triple {2056#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {2056#true} is VALID [2020-07-28 18:59:57,950 INFO L280 TraceCheckUtils]: 18: Hoare triple {2056#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {2056#true} is VALID [2020-07-28 18:59:57,951 INFO L280 TraceCheckUtils]: 19: Hoare triple {2056#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {2059#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:59:57,952 INFO L280 TraceCheckUtils]: 20: Hoare triple {2059#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {2060#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} is VALID [2020-07-28 18:59:57,953 INFO L280 TraceCheckUtils]: 21: Hoare triple {2060#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {2057#false} is VALID [2020-07-28 18:59:57,953 INFO L280 TraceCheckUtils]: 22: Hoare triple {2057#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {2057#false} is VALID [2020-07-28 18:59:57,954 INFO L280 TraceCheckUtils]: 23: Hoare triple {2057#false} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {2057#false} is VALID [2020-07-28 18:59:57,954 INFO L280 TraceCheckUtils]: 24: Hoare triple {2057#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4); {2057#false} is VALID [2020-07-28 18:59:57,954 INFO L280 TraceCheckUtils]: 25: Hoare triple {2057#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {2057#false} is VALID [2020-07-28 18:59:57,954 INFO L280 TraceCheckUtils]: 26: Hoare triple {2057#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {2057#false} is VALID [2020-07-28 18:59:57,954 INFO L280 TraceCheckUtils]: 27: Hoare triple {2057#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2057#false} is VALID [2020-07-28 18:59:57,955 INFO L280 TraceCheckUtils]: 28: Hoare triple {2057#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {2057#false} is VALID [2020-07-28 18:59:57,955 INFO L280 TraceCheckUtils]: 29: Hoare triple {2057#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {2057#false} is VALID [2020-07-28 18:59:57,955 INFO L280 TraceCheckUtils]: 30: Hoare triple {2057#false} assume 0 != ~methAndRunningLastTime~0; {2057#false} is VALID [2020-07-28 18:59:57,956 INFO L280 TraceCheckUtils]: 31: Hoare triple {2057#false} assume !false; {2057#false} is VALID [2020-07-28 18:59:57,957 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 18:59:57,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858070219] [2020-07-28 18:59:57,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:57,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:57,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877932308] [2020-07-28 18:59:57,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:59:57,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:57,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:57,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:57,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:57,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:57,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:58,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:58,000 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 5 states. [2020-07-28 18:59:58,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:58,819 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2020-07-28 18:59:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:59:58,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:59:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 261 transitions. [2020-07-28 18:59:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 261 transitions. [2020-07-28 18:59:58,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 261 transitions. [2020-07-28 18:59:59,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:59,168 INFO L225 Difference]: With dead ends: 263 [2020-07-28 18:59:59,169 INFO L226 Difference]: Without dead ends: 197 [2020-07-28 18:59:59,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:59:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-28 18:59:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-07-28 18:59:59,265 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:59,265 INFO L82 GeneralOperation]: Start isEquivalent. First operand 197 states. Second operand 77 states. [2020-07-28 18:59:59,266 INFO L74 IsIncluded]: Start isIncluded. First operand 197 states. Second operand 77 states. [2020-07-28 18:59:59,266 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 77 states. [2020-07-28 18:59:59,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:59,271 INFO L93 Difference]: Finished difference Result 197 states and 279 transitions. [2020-07-28 18:59:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 279 transitions. [2020-07-28 18:59:59,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:59,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:59,272 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 197 states. [2020-07-28 18:59:59,272 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 197 states. [2020-07-28 18:59:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:59,279 INFO L93 Difference]: Finished difference Result 197 states and 279 transitions. [2020-07-28 18:59:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 279 transitions. [2020-07-28 18:59:59,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:59,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:59,280 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:59,280 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-28 18:59:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-07-28 18:59:59,282 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2020-07-28 18:59:59,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:59,283 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-07-28 18:59:59,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-07-28 18:59:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:59:59,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:59,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:59,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:59,284 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:59,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2020-07-28 18:59:59,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:59,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257546771] [2020-07-28 18:59:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:59,400 INFO L280 TraceCheckUtils]: 0: Hoare triple {2933#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,412 INFO L280 TraceCheckUtils]: 1: Hoare triple {2935#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,413 INFO L280 TraceCheckUtils]: 2: Hoare triple {2935#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,413 INFO L280 TraceCheckUtils]: 3: Hoare triple {2935#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,414 INFO L280 TraceCheckUtils]: 4: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,415 INFO L280 TraceCheckUtils]: 5: Hoare triple {2935#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,415 INFO L280 TraceCheckUtils]: 6: Hoare triple {2935#(= 0 ~pumpRunning~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,416 INFO L280 TraceCheckUtils]: 7: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !false; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,417 INFO L280 TraceCheckUtils]: 8: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,420 INFO L280 TraceCheckUtils]: 9: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,421 INFO L280 TraceCheckUtils]: 10: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,421 INFO L280 TraceCheckUtils]: 11: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,422 INFO L280 TraceCheckUtils]: 12: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,422 INFO L280 TraceCheckUtils]: 13: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,424 INFO L280 TraceCheckUtils]: 16: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,425 INFO L280 TraceCheckUtils]: 17: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,425 INFO L280 TraceCheckUtils]: 18: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,426 INFO L280 TraceCheckUtils]: 19: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,426 INFO L280 TraceCheckUtils]: 20: Hoare triple {2935#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,427 INFO L280 TraceCheckUtils]: 21: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~0 := 0; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,428 INFO L280 TraceCheckUtils]: 22: Hoare triple {2935#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,428 INFO L280 TraceCheckUtils]: 23: Hoare triple {2935#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,429 INFO L280 TraceCheckUtils]: 24: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4); {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,429 INFO L280 TraceCheckUtils]: 25: Hoare triple {2935#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,430 INFO L280 TraceCheckUtils]: 26: Hoare triple {2935#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {2935#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:59,430 INFO L280 TraceCheckUtils]: 27: Hoare triple {2935#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2936#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:59,431 INFO L280 TraceCheckUtils]: 28: Hoare triple {2936#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {2937#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~2)} is VALID [2020-07-28 18:59:59,432 INFO L280 TraceCheckUtils]: 29: Hoare triple {2937#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~2)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {2934#false} is VALID [2020-07-28 18:59:59,432 INFO L280 TraceCheckUtils]: 30: Hoare triple {2934#false} assume 0 != ~methAndRunningLastTime~0; {2934#false} is VALID [2020-07-28 18:59:59,433 INFO L280 TraceCheckUtils]: 31: Hoare triple {2934#false} assume !false; {2934#false} is VALID [2020-07-28 18:59:59,435 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 18:59:59,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257546771] [2020-07-28 18:59:59,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:59,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:59,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16504488] [2020-07-28 18:59:59,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:59:59,437 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:59,437 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:59,486 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:59,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:59,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:59,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:59,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:59,487 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-07-28 19:00:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:00,494 INFO L93 Difference]: Finished difference Result 282 states and 397 transitions. [2020-07-28 19:00:00,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:00:00,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 350 transitions. [2020-07-28 19:00:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 350 transitions. [2020-07-28 19:00:00,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 350 transitions. [2020-07-28 19:00:00,867 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:00,872 INFO L225 Difference]: With dead ends: 282 [2020-07-28 19:00:00,872 INFO L226 Difference]: Without dead ends: 212 [2020-07-28 19:00:00,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:00:00,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-28 19:00:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 76. [2020-07-28 19:00:00,971 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:00,971 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand 76 states. [2020-07-28 19:00:00,972 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand 76 states. [2020-07-28 19:00:00,972 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 76 states. [2020-07-28 19:00:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:00,990 INFO L93 Difference]: Finished difference Result 212 states and 296 transitions. [2020-07-28 19:00:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 296 transitions. [2020-07-28 19:00:00,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:00,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:00,992 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 212 states. [2020-07-28 19:00:00,992 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 212 states. [2020-07-28 19:00:01,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:01,011 INFO L93 Difference]: Finished difference Result 212 states and 296 transitions. [2020-07-28 19:00:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 296 transitions. [2020-07-28 19:00:01,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:01,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:01,013 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:01,013 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 19:00:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-07-28 19:00:01,019 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 32 [2020-07-28 19:00:01,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:01,020 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-07-28 19:00:01,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-07-28 19:00:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:00:01,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:01,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:01,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:00:01,024 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:01,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:01,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2019561460, now seen corresponding path program 1 times [2020-07-28 19:00:01,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:01,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366489640] [2020-07-28 19:00:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:01,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {3870#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {3870#true} is VALID [2020-07-28 19:00:01,098 INFO L280 TraceCheckUtils]: 1: Hoare triple {3870#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {3870#true} is VALID [2020-07-28 19:00:01,098 INFO L280 TraceCheckUtils]: 2: Hoare triple {3870#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {3870#true} is VALID [2020-07-28 19:00:01,098 INFO L280 TraceCheckUtils]: 3: Hoare triple {3870#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {3870#true} is VALID [2020-07-28 19:00:01,099 INFO L280 TraceCheckUtils]: 4: Hoare triple {3870#true} assume 0 != main_~tmp~3; {3870#true} is VALID [2020-07-28 19:00:01,099 INFO L280 TraceCheckUtils]: 5: Hoare triple {3870#true} ~methAndRunningLastTime~0 := 0; {3870#true} is VALID [2020-07-28 19:00:01,099 INFO L280 TraceCheckUtils]: 6: Hoare triple {3870#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3870#true} is VALID [2020-07-28 19:00:01,099 INFO L280 TraceCheckUtils]: 7: Hoare triple {3870#true} assume !false; {3870#true} is VALID [2020-07-28 19:00:01,100 INFO L280 TraceCheckUtils]: 8: Hoare triple {3870#true} assume test_~splverifierCounter~0 < 4; {3870#true} is VALID [2020-07-28 19:00:01,100 INFO L280 TraceCheckUtils]: 9: Hoare triple {3870#true} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {3870#true} is VALID [2020-07-28 19:00:01,100 INFO L280 TraceCheckUtils]: 10: Hoare triple {3870#true} assume !(0 != test_~tmp~8); {3870#true} is VALID [2020-07-28 19:00:01,100 INFO L280 TraceCheckUtils]: 11: Hoare triple {3870#true} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {3870#true} is VALID [2020-07-28 19:00:01,100 INFO L280 TraceCheckUtils]: 12: Hoare triple {3870#true} assume !(0 != test_~tmp___0~1); {3870#true} is VALID [2020-07-28 19:00:01,101 INFO L280 TraceCheckUtils]: 13: Hoare triple {3870#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {3870#true} is VALID [2020-07-28 19:00:01,101 INFO L280 TraceCheckUtils]: 14: Hoare triple {3870#true} assume 0 != test_~tmp___2~0; {3870#true} is VALID [2020-07-28 19:00:01,101 INFO L280 TraceCheckUtils]: 15: Hoare triple {3870#true} assume !(0 != ~pumpRunning~0); {3870#true} is VALID [2020-07-28 19:00:01,101 INFO L280 TraceCheckUtils]: 16: Hoare triple {3870#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {3870#true} is VALID [2020-07-28 19:00:01,101 INFO L280 TraceCheckUtils]: 17: Hoare triple {3870#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {3870#true} is VALID [2020-07-28 19:00:01,102 INFO L280 TraceCheckUtils]: 18: Hoare triple {3870#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {3870#true} is VALID [2020-07-28 19:00:01,102 INFO L280 TraceCheckUtils]: 19: Hoare triple {3870#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {3870#true} is VALID [2020-07-28 19:00:01,102 INFO L280 TraceCheckUtils]: 20: Hoare triple {3870#true} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {3870#true} is VALID [2020-07-28 19:00:01,103 INFO L280 TraceCheckUtils]: 21: Hoare triple {3870#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~0 := 0; {3872#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 19:00:01,104 INFO L280 TraceCheckUtils]: 22: Hoare triple {3872#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {3873#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:00:01,105 INFO L280 TraceCheckUtils]: 23: Hoare triple {3873#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {3874#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~4)} is VALID [2020-07-28 19:00:01,106 INFO L280 TraceCheckUtils]: 24: Hoare triple {3874#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~4)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {3871#false} is VALID [2020-07-28 19:00:01,106 INFO L280 TraceCheckUtils]: 25: Hoare triple {3871#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {3871#false} is VALID [2020-07-28 19:00:01,107 INFO L280 TraceCheckUtils]: 26: Hoare triple {3871#false} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {3871#false} is VALID [2020-07-28 19:00:01,107 INFO L280 TraceCheckUtils]: 27: Hoare triple {3871#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {3871#false} is VALID [2020-07-28 19:00:01,107 INFO L280 TraceCheckUtils]: 28: Hoare triple {3871#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {3871#false} is VALID [2020-07-28 19:00:01,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {3871#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {3871#false} is VALID [2020-07-28 19:00:01,107 INFO L280 TraceCheckUtils]: 30: Hoare triple {3871#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3871#false} is VALID [2020-07-28 19:00:01,108 INFO L280 TraceCheckUtils]: 31: Hoare triple {3871#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {3871#false} is VALID [2020-07-28 19:00:01,108 INFO L280 TraceCheckUtils]: 32: Hoare triple {3871#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {3871#false} is VALID [2020-07-28 19:00:01,108 INFO L280 TraceCheckUtils]: 33: Hoare triple {3871#false} assume 0 != ~methAndRunningLastTime~0; {3871#false} is VALID [2020-07-28 19:00:01,108 INFO L280 TraceCheckUtils]: 34: Hoare triple {3871#false} assume !false; {3871#false} is VALID [2020-07-28 19:00:01,110 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 19:00:01,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366489640] [2020-07-28 19:00:01,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:01,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:01,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912244547] [2020-07-28 19:00:01,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-28 19:00:01,111 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:01,112 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:01,152 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:01,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:01,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:01,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:01,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:01,153 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-07-28 19:00:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,030 INFO L93 Difference]: Finished difference Result 190 states and 262 transitions. [2020-07-28 19:00:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:00:02,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-28 19:00:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-28 19:00:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-28 19:00:02,035 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 202 transitions. [2020-07-28 19:00:02,290 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:02,311 INFO L225 Difference]: With dead ends: 190 [2020-07-28 19:00:02,312 INFO L226 Difference]: Without dead ends: 121 [2020-07-28 19:00:02,313 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 19:00:02,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-07-28 19:00:02,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 82. [2020-07-28 19:00:02,449 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:02,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand 82 states. [2020-07-28 19:00:02,449 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand 82 states. [2020-07-28 19:00:02,450 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 82 states. [2020-07-28 19:00:02,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,453 INFO L93 Difference]: Finished difference Result 121 states and 163 transitions. [2020-07-28 19:00:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2020-07-28 19:00:02,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:02,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:02,454 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 121 states. [2020-07-28 19:00:02,454 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 121 states. [2020-07-28 19:00:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,457 INFO L93 Difference]: Finished difference Result 121 states and 163 transitions. [2020-07-28 19:00:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2020-07-28 19:00:02,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:02,458 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:02,458 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:02,458 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-28 19:00:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-07-28 19:00:02,460 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 35 [2020-07-28 19:00:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:02,461 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-07-28 19:00:02,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-07-28 19:00:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:00:02,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:02,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:02,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:00:02,463 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:02,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:02,463 INFO L82 PathProgramCache]: Analyzing trace with hash -12624144, now seen corresponding path program 1 times [2020-07-28 19:00:02,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:02,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511739158] [2020-07-28 19:00:02,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:02,521 INFO L280 TraceCheckUtils]: 0: Hoare triple {4501#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,522 INFO L280 TraceCheckUtils]: 1: Hoare triple {4503#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {4503#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,524 INFO L280 TraceCheckUtils]: 3: Hoare triple {4503#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,524 INFO L280 TraceCheckUtils]: 4: Hoare triple {4503#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,525 INFO L280 TraceCheckUtils]: 5: Hoare triple {4503#(= 1 ~waterLevel~0)} ~methAndRunningLastTime~0 := 0; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,526 INFO L280 TraceCheckUtils]: 6: Hoare triple {4503#(= 1 ~waterLevel~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,531 INFO L280 TraceCheckUtils]: 7: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !false; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,532 INFO L280 TraceCheckUtils]: 8: Hoare triple {4503#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,533 INFO L280 TraceCheckUtils]: 9: Hoare triple {4503#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,533 INFO L280 TraceCheckUtils]: 10: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~8); {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,534 INFO L280 TraceCheckUtils]: 11: Hoare triple {4503#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,534 INFO L280 TraceCheckUtils]: 12: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,535 INFO L280 TraceCheckUtils]: 13: Hoare triple {4503#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,535 INFO L280 TraceCheckUtils]: 14: Hoare triple {4503#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,536 INFO L280 TraceCheckUtils]: 15: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,536 INFO L280 TraceCheckUtils]: 16: Hoare triple {4503#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,537 INFO L280 TraceCheckUtils]: 17: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,537 INFO L280 TraceCheckUtils]: 18: Hoare triple {4503#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {4503#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:02,545 INFO L280 TraceCheckUtils]: 19: Hoare triple {4503#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {4502#false} is VALID [2020-07-28 19:00:02,545 INFO L280 TraceCheckUtils]: 20: Hoare triple {4502#false} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {4502#false} is VALID [2020-07-28 19:00:02,545 INFO L280 TraceCheckUtils]: 21: Hoare triple {4502#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {4502#false} is VALID [2020-07-28 19:00:02,546 INFO L280 TraceCheckUtils]: 22: Hoare triple {4502#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {4502#false} is VALID [2020-07-28 19:00:02,546 INFO L280 TraceCheckUtils]: 23: Hoare triple {4502#false} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {4502#false} is VALID [2020-07-28 19:00:02,546 INFO L280 TraceCheckUtils]: 24: Hoare triple {4502#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {4502#false} is VALID [2020-07-28 19:00:02,546 INFO L280 TraceCheckUtils]: 25: Hoare triple {4502#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {4502#false} is VALID [2020-07-28 19:00:02,547 INFO L280 TraceCheckUtils]: 26: Hoare triple {4502#false} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {4502#false} is VALID [2020-07-28 19:00:02,547 INFO L280 TraceCheckUtils]: 27: Hoare triple {4502#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {4502#false} is VALID [2020-07-28 19:00:02,547 INFO L280 TraceCheckUtils]: 28: Hoare triple {4502#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {4502#false} is VALID [2020-07-28 19:00:02,547 INFO L280 TraceCheckUtils]: 29: Hoare triple {4502#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {4502#false} is VALID [2020-07-28 19:00:02,547 INFO L280 TraceCheckUtils]: 30: Hoare triple {4502#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {4502#false} is VALID [2020-07-28 19:00:02,548 INFO L280 TraceCheckUtils]: 31: Hoare triple {4502#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {4502#false} is VALID [2020-07-28 19:00:02,548 INFO L280 TraceCheckUtils]: 32: Hoare triple {4502#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {4502#false} is VALID [2020-07-28 19:00:02,548 INFO L280 TraceCheckUtils]: 33: Hoare triple {4502#false} assume 0 != ~methAndRunningLastTime~0; {4502#false} is VALID [2020-07-28 19:00:02,548 INFO L280 TraceCheckUtils]: 34: Hoare triple {4502#false} assume !false; {4502#false} is VALID [2020-07-28 19:00:02,550 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 19:00:02,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511739158] [2020-07-28 19:00:02,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:02,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:02,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760741318] [2020-07-28 19:00:02,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-28 19:00:02,552 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:02,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:02,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:02,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:02,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:02,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:02,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:02,600 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 3 states. [2020-07-28 19:00:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,932 INFO L93 Difference]: Finished difference Result 183 states and 247 transitions. [2020-07-28 19:00:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:02,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-28 19:00:02,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-28 19:00:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-28 19:00:02,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 175 transitions. [2020-07-28 19:00:03,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:03,132 INFO L225 Difference]: With dead ends: 183 [2020-07-28 19:00:03,132 INFO L226 Difference]: Without dead ends: 108 [2020-07-28 19:00:03,132 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 19:00:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-28 19:00:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-28 19:00:03,295 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:03,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand 108 states. [2020-07-28 19:00:03,295 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 108 states. [2020-07-28 19:00:03,296 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 108 states. [2020-07-28 19:00:03,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:03,299 INFO L93 Difference]: Finished difference Result 108 states and 142 transitions. [2020-07-28 19:00:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2020-07-28 19:00:03,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:03,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:03,300 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 108 states. [2020-07-28 19:00:03,300 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 108 states. [2020-07-28 19:00:03,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:03,302 INFO L93 Difference]: Finished difference Result 108 states and 142 transitions. [2020-07-28 19:00:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2020-07-28 19:00:03,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:03,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:03,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:03,303 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-28 19:00:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 142 transitions. [2020-07-28 19:00:03,306 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 142 transitions. Word has length 35 [2020-07-28 19:00:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:03,306 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 142 transitions. [2020-07-28 19:00:03,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2020-07-28 19:00:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:00:03,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:03,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:03,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:00:03,307 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:03,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:03,308 INFO L82 PathProgramCache]: Analyzing trace with hash -337282640, now seen corresponding path program 1 times [2020-07-28 19:00:03,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:03,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917557831] [2020-07-28 19:00:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:03,382 INFO L280 TraceCheckUtils]: 0: Hoare triple {5123#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {5123#true} is VALID [2020-07-28 19:00:03,383 INFO L280 TraceCheckUtils]: 1: Hoare triple {5123#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {5123#true} is VALID [2020-07-28 19:00:03,383 INFO L280 TraceCheckUtils]: 2: Hoare triple {5123#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5123#true} is VALID [2020-07-28 19:00:03,383 INFO L280 TraceCheckUtils]: 3: Hoare triple {5123#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {5123#true} is VALID [2020-07-28 19:00:03,383 INFO L280 TraceCheckUtils]: 4: Hoare triple {5123#true} assume 0 != main_~tmp~3; {5123#true} is VALID [2020-07-28 19:00:03,384 INFO L280 TraceCheckUtils]: 5: Hoare triple {5123#true} ~methAndRunningLastTime~0 := 0; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,385 INFO L280 TraceCheckUtils]: 6: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,386 INFO L280 TraceCheckUtils]: 7: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !false; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,386 INFO L280 TraceCheckUtils]: 8: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume test_~splverifierCounter~0 < 4; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,387 INFO L280 TraceCheckUtils]: 9: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,387 INFO L280 TraceCheckUtils]: 10: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp~8; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,388 INFO L280 TraceCheckUtils]: 11: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,389 INFO L280 TraceCheckUtils]: 12: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,389 INFO L280 TraceCheckUtils]: 13: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(0 != test_~tmp___0~1); {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,390 INFO L280 TraceCheckUtils]: 14: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,390 INFO L280 TraceCheckUtils]: 15: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___2~0; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,391 INFO L280 TraceCheckUtils]: 16: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0); {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,391 INFO L280 TraceCheckUtils]: 17: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,392 INFO L280 TraceCheckUtils]: 18: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,392 INFO L280 TraceCheckUtils]: 19: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,393 INFO L280 TraceCheckUtils]: 20: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,394 INFO L280 TraceCheckUtils]: 21: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,394 INFO L280 TraceCheckUtils]: 22: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,395 INFO L280 TraceCheckUtils]: 23: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,395 INFO L280 TraceCheckUtils]: 24: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,396 INFO L280 TraceCheckUtils]: 25: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,396 INFO L280 TraceCheckUtils]: 26: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,399 INFO L280 TraceCheckUtils]: 27: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,399 INFO L280 TraceCheckUtils]: 28: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,400 INFO L280 TraceCheckUtils]: 29: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,402 INFO L280 TraceCheckUtils]: 30: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,402 INFO L280 TraceCheckUtils]: 31: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,405 INFO L280 TraceCheckUtils]: 32: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,409 INFO L280 TraceCheckUtils]: 33: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {5125#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:03,413 INFO L280 TraceCheckUtils]: 34: Hoare triple {5125#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~methAndRunningLastTime~0; {5124#false} is VALID [2020-07-28 19:00:03,413 INFO L280 TraceCheckUtils]: 35: Hoare triple {5124#false} assume !false; {5124#false} is VALID [2020-07-28 19:00:03,415 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 19:00:03,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917557831] [2020-07-28 19:00:03,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:03,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:03,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299732686] [2020-07-28 19:00:03,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:00:03,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:03,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:03,465 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:03,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:03,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:03,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:03,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:03,466 INFO L87 Difference]: Start difference. First operand 108 states and 142 transitions. Second operand 3 states. [2020-07-28 19:00:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:03,911 INFO L93 Difference]: Finished difference Result 171 states and 227 transitions. [2020-07-28 19:00:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:03,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:00:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2020-07-28 19:00:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2020-07-28 19:00:03,914 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 141 transitions. [2020-07-28 19:00:04,076 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:04,082 INFO L225 Difference]: With dead ends: 171 [2020-07-28 19:00:04,082 INFO L226 Difference]: Without dead ends: 169 [2020-07-28 19:00:04,083 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 19:00:04,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-28 19:00:04,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 154. [2020-07-28 19:00:04,351 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:04,351 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 154 states. [2020-07-28 19:00:04,351 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 154 states. [2020-07-28 19:00:04,351 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 154 states. [2020-07-28 19:00:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:04,358 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2020-07-28 19:00:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions. [2020-07-28 19:00:04,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:04,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:04,359 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 169 states. [2020-07-28 19:00:04,359 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 169 states. [2020-07-28 19:00:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:04,363 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2020-07-28 19:00:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions. [2020-07-28 19:00:04,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:04,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:04,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:04,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-28 19:00:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 209 transitions. [2020-07-28 19:00:04,368 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 209 transitions. Word has length 36 [2020-07-28 19:00:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:04,368 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 209 transitions. [2020-07-28 19:00:04,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 209 transitions. [2020-07-28 19:00:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-28 19:00:04,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:04,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:04,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:00:04,370 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:04,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:04,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1284189716, now seen corresponding path program 1 times [2020-07-28 19:00:04,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:04,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652293694] [2020-07-28 19:00:04,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:04,490 INFO L280 TraceCheckUtils]: 0: Hoare triple {5916#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {5916#true} is VALID [2020-07-28 19:00:04,490 INFO L280 TraceCheckUtils]: 1: Hoare triple {5916#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {5916#true} is VALID [2020-07-28 19:00:04,490 INFO L280 TraceCheckUtils]: 2: Hoare triple {5916#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5916#true} is VALID [2020-07-28 19:00:04,490 INFO L280 TraceCheckUtils]: 3: Hoare triple {5916#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {5916#true} is VALID [2020-07-28 19:00:04,490 INFO L280 TraceCheckUtils]: 4: Hoare triple {5916#true} assume 0 != main_~tmp~3; {5916#true} is VALID [2020-07-28 19:00:04,491 INFO L280 TraceCheckUtils]: 5: Hoare triple {5916#true} ~methAndRunningLastTime~0 := 0; {5916#true} is VALID [2020-07-28 19:00:04,491 INFO L280 TraceCheckUtils]: 6: Hoare triple {5916#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5916#true} is VALID [2020-07-28 19:00:04,491 INFO L280 TraceCheckUtils]: 7: Hoare triple {5916#true} assume !false; {5916#true} is VALID [2020-07-28 19:00:04,492 INFO L280 TraceCheckUtils]: 8: Hoare triple {5916#true} assume test_~splverifierCounter~0 < 4; {5916#true} is VALID [2020-07-28 19:00:04,492 INFO L280 TraceCheckUtils]: 9: Hoare triple {5916#true} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {5916#true} is VALID [2020-07-28 19:00:04,492 INFO L280 TraceCheckUtils]: 10: Hoare triple {5916#true} assume 0 != test_~tmp~8; {5916#true} is VALID [2020-07-28 19:00:04,492 INFO L280 TraceCheckUtils]: 11: Hoare triple {5916#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5916#true} is VALID [2020-07-28 19:00:04,493 INFO L280 TraceCheckUtils]: 12: Hoare triple {5916#true} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {5916#true} is VALID [2020-07-28 19:00:04,493 INFO L280 TraceCheckUtils]: 13: Hoare triple {5916#true} assume !(0 != test_~tmp___0~1); {5916#true} is VALID [2020-07-28 19:00:04,493 INFO L280 TraceCheckUtils]: 14: Hoare triple {5916#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {5916#true} is VALID [2020-07-28 19:00:04,493 INFO L280 TraceCheckUtils]: 15: Hoare triple {5916#true} assume 0 != test_~tmp___2~0; {5916#true} is VALID [2020-07-28 19:00:04,493 INFO L280 TraceCheckUtils]: 16: Hoare triple {5916#true} assume !(0 != ~pumpRunning~0); {5916#true} is VALID [2020-07-28 19:00:04,494 INFO L280 TraceCheckUtils]: 17: Hoare triple {5916#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {5916#true} is VALID [2020-07-28 19:00:04,494 INFO L280 TraceCheckUtils]: 18: Hoare triple {5916#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {5916#true} is VALID [2020-07-28 19:00:04,494 INFO L280 TraceCheckUtils]: 19: Hoare triple {5916#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5916#true} is VALID [2020-07-28 19:00:04,499 INFO L280 TraceCheckUtils]: 20: Hoare triple {5916#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5916#true} is VALID [2020-07-28 19:00:04,500 INFO L280 TraceCheckUtils]: 21: Hoare triple {5916#true} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {5916#true} is VALID [2020-07-28 19:00:04,500 INFO L280 TraceCheckUtils]: 22: Hoare triple {5916#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {5916#true} is VALID [2020-07-28 19:00:04,500 INFO L280 TraceCheckUtils]: 23: Hoare triple {5916#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {5916#true} is VALID [2020-07-28 19:00:04,500 INFO L280 TraceCheckUtils]: 24: Hoare triple {5916#true} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {5916#true} is VALID [2020-07-28 19:00:04,501 INFO L280 TraceCheckUtils]: 25: Hoare triple {5916#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5916#true} is VALID [2020-07-28 19:00:04,501 INFO L280 TraceCheckUtils]: 26: Hoare triple {5916#true} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5916#true} is VALID [2020-07-28 19:00:04,501 INFO L280 TraceCheckUtils]: 27: Hoare triple {5916#true} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {5916#true} is VALID [2020-07-28 19:00:04,502 INFO L280 TraceCheckUtils]: 28: Hoare triple {5916#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {5916#true} is VALID [2020-07-28 19:00:04,503 INFO L280 TraceCheckUtils]: 29: Hoare triple {5916#true} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5918#(= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:00:04,503 INFO L280 TraceCheckUtils]: 30: Hoare triple {5918#(= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {5919#(= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,504 INFO L280 TraceCheckUtils]: 31: Hoare triple {5919#(= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,505 INFO L280 TraceCheckUtils]: 32: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,509 INFO L280 TraceCheckUtils]: 33: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,509 INFO L280 TraceCheckUtils]: 34: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,510 INFO L280 TraceCheckUtils]: 35: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume !false; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,511 INFO L280 TraceCheckUtils]: 36: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume test_~splverifierCounter~0 < 4; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,511 INFO L280 TraceCheckUtils]: 37: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,512 INFO L280 TraceCheckUtils]: 38: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp~8); {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,513 INFO L280 TraceCheckUtils]: 39: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,513 INFO L280 TraceCheckUtils]: 40: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp___0~1); {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,514 INFO L280 TraceCheckUtils]: 41: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,514 INFO L280 TraceCheckUtils]: 42: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,515 INFO L280 TraceCheckUtils]: 43: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,516 INFO L280 TraceCheckUtils]: 44: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,516 INFO L280 TraceCheckUtils]: 45: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {5920#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:04,517 INFO L280 TraceCheckUtils]: 46: Hoare triple {5920#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5921#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 19:00:04,518 INFO L280 TraceCheckUtils]: 47: Hoare triple {5921#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5922#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 19:00:04,520 INFO L280 TraceCheckUtils]: 48: Hoare triple {5922#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} processEnvironment_#t~ret37 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret37 && processEnvironment_#t~ret37 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret37;havoc processEnvironment_#t~ret37; {5923#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~5))} is VALID [2020-07-28 19:00:04,522 INFO L280 TraceCheckUtils]: 49: Hoare triple {5923#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~5))} assume !(0 != processEnvironment_~tmp~5);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {5917#false} is VALID [2020-07-28 19:00:04,522 INFO L280 TraceCheckUtils]: 50: Hoare triple {5917#false} assume !(0 == ~pumpRunning~0); {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 51: Hoare triple {5917#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 52: Hoare triple {5917#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 53: Hoare triple {5917#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 54: Hoare triple {5917#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 55: Hoare triple {5917#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {5917#false} is VALID [2020-07-28 19:00:04,523 INFO L280 TraceCheckUtils]: 56: Hoare triple {5917#false} assume 0 != ~methAndRunningLastTime~0; {5917#false} is VALID [2020-07-28 19:00:04,524 INFO L280 TraceCheckUtils]: 57: Hoare triple {5917#false} assume !false; {5917#false} is VALID [2020-07-28 19:00:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:04,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652293694] [2020-07-28 19:00:04,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:04,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-28 19:00:04,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674725783] [2020-07-28 19:00:04,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-28 19:00:04,531 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:04,531 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:00:04,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:04,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:00:04,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:04,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:00:04,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:00:04,597 INFO L87 Difference]: Start difference. First operand 154 states and 209 transitions. Second operand 8 states. [2020-07-28 19:00:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,792 INFO L93 Difference]: Finished difference Result 792 states and 1078 transitions. [2020-07-28 19:00:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-28 19:00:08,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-28 19:00:08,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:00:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 508 transitions. [2020-07-28 19:00:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:00:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 508 transitions. [2020-07-28 19:00:08,802 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 508 transitions. [2020-07-28 19:00:09,521 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 508 edges. 508 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:09,553 INFO L225 Difference]: With dead ends: 792 [2020-07-28 19:00:09,553 INFO L226 Difference]: Without dead ends: 645 [2020-07-28 19:00:09,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2020-07-28 19:00:09,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-28 19:00:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 253. [2020-07-28 19:00:10,059 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:10,059 INFO L82 GeneralOperation]: Start isEquivalent. First operand 645 states. Second operand 253 states. [2020-07-28 19:00:10,059 INFO L74 IsIncluded]: Start isIncluded. First operand 645 states. Second operand 253 states. [2020-07-28 19:00:10,060 INFO L87 Difference]: Start difference. First operand 645 states. Second operand 253 states. [2020-07-28 19:00:10,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:10,084 INFO L93 Difference]: Finished difference Result 645 states and 858 transitions. [2020-07-28 19:00:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 858 transitions. [2020-07-28 19:00:10,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:10,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:10,086 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 645 states. [2020-07-28 19:00:10,086 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 645 states. [2020-07-28 19:00:10,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:10,110 INFO L93 Difference]: Finished difference Result 645 states and 858 transitions. [2020-07-28 19:00:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 858 transitions. [2020-07-28 19:00:10,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:10,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:10,112 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:10,112 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-28 19:00:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 337 transitions. [2020-07-28 19:00:10,119 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 337 transitions. Word has length 58 [2020-07-28 19:00:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:10,119 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 337 transitions. [2020-07-28 19:00:10,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:00:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 337 transitions. [2020-07-28 19:00:10,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-28 19:00:10,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:10,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:10,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:00:10,124 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:10,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:10,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1203317666, now seen corresponding path program 1 times [2020-07-28 19:00:10,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:10,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090418656] [2020-07-28 19:00:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:10,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {8700#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,268 INFO L280 TraceCheckUtils]: 1: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,269 INFO L280 TraceCheckUtils]: 3: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,270 INFO L280 TraceCheckUtils]: 4: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,271 INFO L280 TraceCheckUtils]: 6: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,272 INFO L280 TraceCheckUtils]: 7: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !false; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,273 INFO L280 TraceCheckUtils]: 8: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,274 INFO L280 TraceCheckUtils]: 9: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,274 INFO L280 TraceCheckUtils]: 10: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp~8; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,275 INFO L280 TraceCheckUtils]: 11: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,276 INFO L280 TraceCheckUtils]: 12: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,277 INFO L280 TraceCheckUtils]: 13: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,277 INFO L280 TraceCheckUtils]: 14: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,278 INFO L280 TraceCheckUtils]: 15: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,279 INFO L280 TraceCheckUtils]: 16: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,279 INFO L280 TraceCheckUtils]: 17: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,280 INFO L280 TraceCheckUtils]: 18: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,281 INFO L280 TraceCheckUtils]: 19: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,282 INFO L280 TraceCheckUtils]: 20: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,282 INFO L280 TraceCheckUtils]: 21: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,283 INFO L280 TraceCheckUtils]: 22: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,284 INFO L280 TraceCheckUtils]: 23: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,284 INFO L280 TraceCheckUtils]: 24: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,285 INFO L280 TraceCheckUtils]: 25: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,285 INFO L280 TraceCheckUtils]: 26: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,286 INFO L280 TraceCheckUtils]: 27: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,286 INFO L280 TraceCheckUtils]: 28: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,287 INFO L280 TraceCheckUtils]: 29: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,287 INFO L280 TraceCheckUtils]: 30: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,288 INFO L280 TraceCheckUtils]: 31: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,288 INFO L280 TraceCheckUtils]: 32: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,289 INFO L280 TraceCheckUtils]: 33: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 34: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 35: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !false; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,291 INFO L280 TraceCheckUtils]: 36: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,292 INFO L280 TraceCheckUtils]: 37: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,292 INFO L280 TraceCheckUtils]: 38: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~8); {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,293 INFO L280 TraceCheckUtils]: 39: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,294 INFO L280 TraceCheckUtils]: 40: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___0~1; {8702#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:10,295 INFO L280 TraceCheckUtils]: 41: Hoare triple {8702#(= 0 ~methaneLevelCritical~0)} assume 0 != ~methaneLevelCritical~0;~methaneLevelCritical~0 := 0; {8701#false} is VALID [2020-07-28 19:00:10,295 INFO L280 TraceCheckUtils]: 42: Hoare triple {8701#false} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {8701#false} is VALID [2020-07-28 19:00:10,295 INFO L280 TraceCheckUtils]: 43: Hoare triple {8701#false} assume 0 != test_~tmp___2~0; {8701#false} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 44: Hoare triple {8701#false} assume 0 != ~pumpRunning~0; {8701#false} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 45: Hoare triple {8701#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8701#false} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 46: Hoare triple {8701#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {8701#false} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 47: Hoare triple {8701#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {8701#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 48: Hoare triple {8701#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {8701#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 49: Hoare triple {8701#false} processEnvironment_#t~ret37 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret37 && processEnvironment_#t~ret37 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret37;havoc processEnvironment_#t~ret37; {8701#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 50: Hoare triple {8701#false} assume !(0 != processEnvironment_~tmp~5);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {8701#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 51: Hoare triple {8701#false} assume !(0 == ~pumpRunning~0); {8701#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 52: Hoare triple {8701#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {8701#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 53: Hoare triple {8701#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {8701#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 54: Hoare triple {8701#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {8701#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 55: Hoare triple {8701#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {8701#false} is VALID [2020-07-28 19:00:10,299 INFO L280 TraceCheckUtils]: 56: Hoare triple {8701#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {8701#false} is VALID [2020-07-28 19:00:10,299 INFO L280 TraceCheckUtils]: 57: Hoare triple {8701#false} assume 0 != ~methAndRunningLastTime~0; {8701#false} is VALID [2020-07-28 19:00:10,299 INFO L280 TraceCheckUtils]: 58: Hoare triple {8701#false} assume !false; {8701#false} is VALID [2020-07-28 19:00:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 19:00:10,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090418656] [2020-07-28 19:00:10,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:10,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:10,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977135267] [2020-07-28 19:00:10,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-28 19:00:10,310 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:10,310 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:10,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:10,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:10,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:10,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:10,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:10,422 INFO L87 Difference]: Start difference. First operand 253 states and 337 transitions. Second operand 3 states. [2020-07-28 19:00:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:11,427 INFO L93 Difference]: Finished difference Result 618 states and 821 transitions. [2020-07-28 19:00:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:11,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-28 19:00:11,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2020-07-28 19:00:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2020-07-28 19:00:11,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 190 transitions. [2020-07-28 19:00:11,650 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:11,664 INFO L225 Difference]: With dead ends: 618 [2020-07-28 19:00:11,665 INFO L226 Difference]: Without dead ends: 368 [2020-07-28 19:00:11,666 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 19:00:11,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-07-28 19:00:12,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2020-07-28 19:00:12,467 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:12,468 INFO L82 GeneralOperation]: Start isEquivalent. First operand 368 states. Second operand 366 states. [2020-07-28 19:00:12,468 INFO L74 IsIncluded]: Start isIncluded. First operand 368 states. Second operand 366 states. [2020-07-28 19:00:12,468 INFO L87 Difference]: Start difference. First operand 368 states. Second operand 366 states. [2020-07-28 19:00:12,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:12,477 INFO L93 Difference]: Finished difference Result 368 states and 480 transitions. [2020-07-28 19:00:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 480 transitions. [2020-07-28 19:00:12,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:12,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:12,478 INFO L74 IsIncluded]: Start isIncluded. First operand 366 states. Second operand 368 states. [2020-07-28 19:00:12,478 INFO L87 Difference]: Start difference. First operand 366 states. Second operand 368 states. [2020-07-28 19:00:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:12,486 INFO L93 Difference]: Finished difference Result 368 states and 480 transitions. [2020-07-28 19:00:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 480 transitions. [2020-07-28 19:00:12,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:12,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:12,488 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:12,488 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-07-28 19:00:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 479 transitions. [2020-07-28 19:00:12,497 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 479 transitions. Word has length 59 [2020-07-28 19:00:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:12,498 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 479 transitions. [2020-07-28 19:00:12,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 479 transitions. [2020-07-28 19:00:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-28 19:00:12,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:12,499 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:12,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:00:12,500 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:12,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash -474717082, now seen corresponding path program 1 times [2020-07-28 19:00:12,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:12,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630807747] [2020-07-28 19:00:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:12,613 INFO L280 TraceCheckUtils]: 0: Hoare triple {10795#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {10795#true} is VALID [2020-07-28 19:00:12,614 INFO L280 TraceCheckUtils]: 1: Hoare triple {10795#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {10795#true} is VALID [2020-07-28 19:00:12,614 INFO L280 TraceCheckUtils]: 2: Hoare triple {10795#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {10795#true} is VALID [2020-07-28 19:00:12,614 INFO L280 TraceCheckUtils]: 3: Hoare triple {10795#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {10795#true} is VALID [2020-07-28 19:00:12,614 INFO L280 TraceCheckUtils]: 4: Hoare triple {10795#true} assume 0 != main_~tmp~3; {10795#true} is VALID [2020-07-28 19:00:12,614 INFO L280 TraceCheckUtils]: 5: Hoare triple {10795#true} ~methAndRunningLastTime~0 := 0; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 6: Hoare triple {10795#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 7: Hoare triple {10795#true} assume !false; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 8: Hoare triple {10795#true} assume test_~splverifierCounter~0 < 4; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 9: Hoare triple {10795#true} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 10: Hoare triple {10795#true} assume 0 != test_~tmp~8; {10795#true} is VALID [2020-07-28 19:00:12,615 INFO L280 TraceCheckUtils]: 11: Hoare triple {10795#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10795#true} is VALID [2020-07-28 19:00:12,616 INFO L280 TraceCheckUtils]: 12: Hoare triple {10795#true} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {10795#true} is VALID [2020-07-28 19:00:12,616 INFO L280 TraceCheckUtils]: 13: Hoare triple {10795#true} assume 0 != test_~tmp___0~1; {10795#true} is VALID [2020-07-28 19:00:12,620 INFO L280 TraceCheckUtils]: 14: Hoare triple {10795#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,621 INFO L280 TraceCheckUtils]: 15: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,621 INFO L280 TraceCheckUtils]: 16: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,622 INFO L280 TraceCheckUtils]: 17: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,622 INFO L280 TraceCheckUtils]: 18: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,623 INFO L280 TraceCheckUtils]: 19: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,623 INFO L280 TraceCheckUtils]: 20: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,624 INFO L280 TraceCheckUtils]: 21: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,625 INFO L280 TraceCheckUtils]: 22: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,625 INFO L280 TraceCheckUtils]: 23: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,626 INFO L280 TraceCheckUtils]: 24: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,627 INFO L280 TraceCheckUtils]: 25: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {10797#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:12,628 INFO L280 TraceCheckUtils]: 26: Hoare triple {10797#(= 1 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {10798#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:00:12,629 INFO L280 TraceCheckUtils]: 27: Hoare triple {10798#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {10799#(= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 19:00:12,632 INFO L280 TraceCheckUtils]: 28: Hoare triple {10799#(= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {10800#(= 1 ULTIMATE.start_activatePump_~tmp~6)} is VALID [2020-07-28 19:00:12,636 INFO L280 TraceCheckUtils]: 29: Hoare triple {10800#(= 1 ULTIMATE.start_activatePump_~tmp~6)} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {10796#false} is VALID [2020-07-28 19:00:12,636 INFO L280 TraceCheckUtils]: 30: Hoare triple {10796#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {10796#false} is VALID [2020-07-28 19:00:12,636 INFO L280 TraceCheckUtils]: 31: Hoare triple {10796#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {10796#false} is VALID [2020-07-28 19:00:12,636 INFO L280 TraceCheckUtils]: 32: Hoare triple {10796#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10796#false} is VALID [2020-07-28 19:00:12,637 INFO L280 TraceCheckUtils]: 33: Hoare triple {10796#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {10796#false} is VALID [2020-07-28 19:00:12,637 INFO L280 TraceCheckUtils]: 34: Hoare triple {10796#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {10796#false} is VALID [2020-07-28 19:00:12,637 INFO L280 TraceCheckUtils]: 35: Hoare triple {10796#false} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {10796#false} is VALID [2020-07-28 19:00:12,637 INFO L280 TraceCheckUtils]: 36: Hoare triple {10796#false} assume !false; {10796#false} is VALID [2020-07-28 19:00:12,638 INFO L280 TraceCheckUtils]: 37: Hoare triple {10796#false} assume test_~splverifierCounter~0 < 4; {10796#false} is VALID [2020-07-28 19:00:12,638 INFO L280 TraceCheckUtils]: 38: Hoare triple {10796#false} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {10796#false} is VALID [2020-07-28 19:00:12,638 INFO L280 TraceCheckUtils]: 39: Hoare triple {10796#false} assume !(0 != test_~tmp~8); {10796#false} is VALID [2020-07-28 19:00:12,638 INFO L280 TraceCheckUtils]: 40: Hoare triple {10796#false} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {10796#false} is VALID [2020-07-28 19:00:12,639 INFO L280 TraceCheckUtils]: 41: Hoare triple {10796#false} assume 0 != test_~tmp___0~1; {10796#false} is VALID [2020-07-28 19:00:12,639 INFO L280 TraceCheckUtils]: 42: Hoare triple {10796#false} assume 0 != ~methaneLevelCritical~0;~methaneLevelCritical~0 := 0; {10796#false} is VALID [2020-07-28 19:00:12,639 INFO L280 TraceCheckUtils]: 43: Hoare triple {10796#false} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {10796#false} is VALID [2020-07-28 19:00:12,639 INFO L280 TraceCheckUtils]: 44: Hoare triple {10796#false} assume 0 != test_~tmp___2~0; {10796#false} is VALID [2020-07-28 19:00:12,640 INFO L280 TraceCheckUtils]: 45: Hoare triple {10796#false} assume 0 != ~pumpRunning~0; {10796#false} is VALID [2020-07-28 19:00:12,640 INFO L280 TraceCheckUtils]: 46: Hoare triple {10796#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10796#false} is VALID [2020-07-28 19:00:12,640 INFO L280 TraceCheckUtils]: 47: Hoare triple {10796#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {10796#false} is VALID [2020-07-28 19:00:12,640 INFO L280 TraceCheckUtils]: 48: Hoare triple {10796#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {10796#false} is VALID [2020-07-28 19:00:12,641 INFO L280 TraceCheckUtils]: 49: Hoare triple {10796#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {10796#false} is VALID [2020-07-28 19:00:12,641 INFO L280 TraceCheckUtils]: 50: Hoare triple {10796#false} processEnvironment_#t~ret37 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret37 && processEnvironment_#t~ret37 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret37;havoc processEnvironment_#t~ret37; {10796#false} is VALID [2020-07-28 19:00:12,641 INFO L280 TraceCheckUtils]: 51: Hoare triple {10796#false} assume !(0 != processEnvironment_~tmp~5);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {10796#false} is VALID [2020-07-28 19:00:12,642 INFO L280 TraceCheckUtils]: 52: Hoare triple {10796#false} assume !(0 == ~pumpRunning~0); {10796#false} is VALID [2020-07-28 19:00:12,642 INFO L280 TraceCheckUtils]: 53: Hoare triple {10796#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {10796#false} is VALID [2020-07-28 19:00:12,642 INFO L280 TraceCheckUtils]: 54: Hoare triple {10796#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {10796#false} is VALID [2020-07-28 19:00:12,642 INFO L280 TraceCheckUtils]: 55: Hoare triple {10796#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {10796#false} is VALID [2020-07-28 19:00:12,643 INFO L280 TraceCheckUtils]: 56: Hoare triple {10796#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {10796#false} is VALID [2020-07-28 19:00:12,643 INFO L280 TraceCheckUtils]: 57: Hoare triple {10796#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {10796#false} is VALID [2020-07-28 19:00:12,643 INFO L280 TraceCheckUtils]: 58: Hoare triple {10796#false} assume 0 != ~methAndRunningLastTime~0; {10796#false} is VALID [2020-07-28 19:00:12,643 INFO L280 TraceCheckUtils]: 59: Hoare triple {10796#false} assume !false; {10796#false} is VALID [2020-07-28 19:00:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 19:00:12,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630807747] [2020-07-28 19:00:12,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:12,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:00:12,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532422731] [2020-07-28 19:00:12,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-28 19:00:12,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:12,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:00:12,721 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:12,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:00:12,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:12,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:00:12,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:00:12,722 INFO L87 Difference]: Start difference. First operand 366 states and 479 transitions. Second operand 6 states. [2020-07-28 19:00:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,407 INFO L93 Difference]: Finished difference Result 890 states and 1152 transitions. [2020-07-28 19:00:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 19:00:15,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-28 19:00:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 437 transitions. [2020-07-28 19:00:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 437 transitions. [2020-07-28 19:00:15,414 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 437 transitions. [2020-07-28 19:00:15,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 437 edges. 437 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:16,004 INFO L225 Difference]: With dead ends: 890 [2020-07-28 19:00:16,004 INFO L226 Difference]: Without dead ends: 606 [2020-07-28 19:00:16,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:00:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-28 19:00:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 284. [2020-07-28 19:00:16,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:16,670 INFO L82 GeneralOperation]: Start isEquivalent. First operand 606 states. Second operand 284 states. [2020-07-28 19:00:16,670 INFO L74 IsIncluded]: Start isIncluded. First operand 606 states. Second operand 284 states. [2020-07-28 19:00:16,671 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 284 states. [2020-07-28 19:00:16,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:16,690 INFO L93 Difference]: Finished difference Result 606 states and 766 transitions. [2020-07-28 19:00:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 766 transitions. [2020-07-28 19:00:16,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:16,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:16,692 INFO L74 IsIncluded]: Start isIncluded. First operand 284 states. Second operand 606 states. [2020-07-28 19:00:16,692 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 606 states. [2020-07-28 19:00:16,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:16,712 INFO L93 Difference]: Finished difference Result 606 states and 766 transitions. [2020-07-28 19:00:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 766 transitions. [2020-07-28 19:00:16,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:16,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:16,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:16,714 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-07-28 19:00:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 362 transitions. [2020-07-28 19:00:16,720 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 362 transitions. Word has length 60 [2020-07-28 19:00:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:16,720 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 362 transitions. [2020-07-28 19:00:16,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:00:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 362 transitions. [2020-07-28 19:00:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:00:16,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:16,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:16,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:00:16,722 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1292772592, now seen corresponding path program 1 times [2020-07-28 19:00:16,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:16,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118601984] [2020-07-28 19:00:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,788 INFO L280 TraceCheckUtils]: 0: Hoare triple {13648#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {13650#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,790 INFO L280 TraceCheckUtils]: 2: Hoare triple {13650#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,790 INFO L280 TraceCheckUtils]: 3: Hoare triple {13650#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,791 INFO L280 TraceCheckUtils]: 4: Hoare triple {13650#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,791 INFO L280 TraceCheckUtils]: 5: Hoare triple {13650#(= 1 ~systemActive~0)} ~methAndRunningLastTime~0 := 0; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,792 INFO L280 TraceCheckUtils]: 6: Hoare triple {13650#(= 1 ~systemActive~0)} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,793 INFO L280 TraceCheckUtils]: 7: Hoare triple {13650#(= 1 ~systemActive~0)} assume !false; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,793 INFO L280 TraceCheckUtils]: 8: Hoare triple {13650#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,794 INFO L280 TraceCheckUtils]: 9: Hoare triple {13650#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,794 INFO L280 TraceCheckUtils]: 10: Hoare triple {13650#(= 1 ~systemActive~0)} assume 0 != test_~tmp~8; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,795 INFO L280 TraceCheckUtils]: 11: Hoare triple {13650#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,795 INFO L280 TraceCheckUtils]: 12: Hoare triple {13650#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,796 INFO L280 TraceCheckUtils]: 13: Hoare triple {13650#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,796 INFO L280 TraceCheckUtils]: 14: Hoare triple {13650#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,797 INFO L280 TraceCheckUtils]: 15: Hoare triple {13650#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,797 INFO L280 TraceCheckUtils]: 16: Hoare triple {13650#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {13650#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,797 INFO L280 TraceCheckUtils]: 17: Hoare triple {13650#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13648#true} is VALID [2020-07-28 19:00:16,798 INFO L280 TraceCheckUtils]: 18: Hoare triple {13648#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {13648#true} is VALID [2020-07-28 19:00:16,798 INFO L280 TraceCheckUtils]: 19: Hoare triple {13648#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {13648#true} is VALID [2020-07-28 19:00:16,798 INFO L280 TraceCheckUtils]: 20: Hoare triple {13648#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {13648#true} is VALID [2020-07-28 19:00:16,798 INFO L280 TraceCheckUtils]: 21: Hoare triple {13648#true} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {13648#true} is VALID [2020-07-28 19:00:16,798 INFO L280 TraceCheckUtils]: 22: Hoare triple {13648#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {13648#true} is VALID [2020-07-28 19:00:16,799 INFO L280 TraceCheckUtils]: 23: Hoare triple {13648#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {13648#true} is VALID [2020-07-28 19:00:16,799 INFO L280 TraceCheckUtils]: 24: Hoare triple {13648#true} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {13648#true} is VALID [2020-07-28 19:00:16,799 INFO L280 TraceCheckUtils]: 25: Hoare triple {13648#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13648#true} is VALID [2020-07-28 19:00:16,799 INFO L280 TraceCheckUtils]: 26: Hoare triple {13648#true} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {13648#true} is VALID [2020-07-28 19:00:16,799 INFO L280 TraceCheckUtils]: 27: Hoare triple {13648#true} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {13648#true} is VALID [2020-07-28 19:00:16,800 INFO L280 TraceCheckUtils]: 28: Hoare triple {13648#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,800 INFO L280 TraceCheckUtils]: 29: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,801 INFO L280 TraceCheckUtils]: 30: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,801 INFO L280 TraceCheckUtils]: 31: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,802 INFO L280 TraceCheckUtils]: 32: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,802 INFO L280 TraceCheckUtils]: 33: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,803 INFO L280 TraceCheckUtils]: 34: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,803 INFO L280 TraceCheckUtils]: 35: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume !false; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,804 INFO L280 TraceCheckUtils]: 36: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume test_~splverifierCounter~0 < 4; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,804 INFO L280 TraceCheckUtils]: 37: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,805 INFO L280 TraceCheckUtils]: 38: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp~8); {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,805 INFO L280 TraceCheckUtils]: 39: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,806 INFO L280 TraceCheckUtils]: 40: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp___0~1); {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,806 INFO L280 TraceCheckUtils]: 41: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,807 INFO L280 TraceCheckUtils]: 42: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume 0 != test_~tmp___2~0; {13651#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,807 INFO L280 TraceCheckUtils]: 43: Hoare triple {13651#(not (= 0 ~pumpRunning~0))} assume !(0 != ~pumpRunning~0); {13649#false} is VALID [2020-07-28 19:00:16,807 INFO L280 TraceCheckUtils]: 44: Hoare triple {13649#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13649#false} is VALID [2020-07-28 19:00:16,807 INFO L280 TraceCheckUtils]: 45: Hoare triple {13649#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {13649#false} is VALID [2020-07-28 19:00:16,808 INFO L280 TraceCheckUtils]: 46: Hoare triple {13649#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {13649#false} is VALID [2020-07-28 19:00:16,808 INFO L280 TraceCheckUtils]: 47: Hoare triple {13649#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {13649#false} is VALID [2020-07-28 19:00:16,808 INFO L280 TraceCheckUtils]: 48: Hoare triple {13649#false} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {13649#false} is VALID [2020-07-28 19:00:16,808 INFO L280 TraceCheckUtils]: 49: Hoare triple {13649#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {13649#false} is VALID [2020-07-28 19:00:16,808 INFO L280 TraceCheckUtils]: 50: Hoare triple {13649#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 51: Hoare triple {13649#false} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 52: Hoare triple {13649#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 53: Hoare triple {13649#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 54: Hoare triple {13649#false} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 55: Hoare triple {13649#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {13649#false} is VALID [2020-07-28 19:00:16,809 INFO L280 TraceCheckUtils]: 56: Hoare triple {13649#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13649#false} is VALID [2020-07-28 19:00:16,810 INFO L280 TraceCheckUtils]: 57: Hoare triple {13649#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {13649#false} is VALID [2020-07-28 19:00:16,810 INFO L280 TraceCheckUtils]: 58: Hoare triple {13649#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {13649#false} is VALID [2020-07-28 19:00:16,810 INFO L280 TraceCheckUtils]: 59: Hoare triple {13649#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {13649#false} is VALID [2020-07-28 19:00:16,810 INFO L280 TraceCheckUtils]: 60: Hoare triple {13649#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {13649#false} is VALID [2020-07-28 19:00:16,810 INFO L280 TraceCheckUtils]: 61: Hoare triple {13649#false} assume 0 != ~methAndRunningLastTime~0; {13649#false} is VALID [2020-07-28 19:00:16,811 INFO L280 TraceCheckUtils]: 62: Hoare triple {13649#false} assume !false; {13649#false} is VALID [2020-07-28 19:00:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:16,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118601984] [2020-07-28 19:00:16,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802792543] [2020-07-28 19:00:16,815 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 19:00:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-28 19:00:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:00:17,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {13648#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {13648#true} is VALID [2020-07-28 19:00:17,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {13648#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {13648#true} is VALID [2020-07-28 19:00:17,092 INFO L280 TraceCheckUtils]: 2: Hoare triple {13648#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {13648#true} is VALID [2020-07-28 19:00:17,092 INFO L280 TraceCheckUtils]: 3: Hoare triple {13648#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {13648#true} is VALID [2020-07-28 19:00:17,093 INFO L280 TraceCheckUtils]: 4: Hoare triple {13648#true} assume 0 != main_~tmp~3; {13648#true} is VALID [2020-07-28 19:00:17,093 INFO L280 TraceCheckUtils]: 5: Hoare triple {13648#true} ~methAndRunningLastTime~0 := 0; {13648#true} is VALID [2020-07-28 19:00:17,093 INFO L280 TraceCheckUtils]: 6: Hoare triple {13648#true} havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {13648#true} is VALID [2020-07-28 19:00:17,093 INFO L280 TraceCheckUtils]: 7: Hoare triple {13648#true} assume !false; {13648#true} is VALID [2020-07-28 19:00:17,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {13648#true} assume test_~splverifierCounter~0 < 4; {13648#true} is VALID [2020-07-28 19:00:17,094 INFO L280 TraceCheckUtils]: 9: Hoare triple {13648#true} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {13648#true} is VALID [2020-07-28 19:00:17,094 INFO L280 TraceCheckUtils]: 10: Hoare triple {13648#true} assume 0 != test_~tmp~8; {13648#true} is VALID [2020-07-28 19:00:17,094 INFO L280 TraceCheckUtils]: 11: Hoare triple {13648#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {13648#true} is VALID [2020-07-28 19:00:17,094 INFO L280 TraceCheckUtils]: 12: Hoare triple {13648#true} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {13648#true} is VALID [2020-07-28 19:00:17,094 INFO L280 TraceCheckUtils]: 13: Hoare triple {13648#true} assume !(0 != test_~tmp___0~1); {13648#true} is VALID [2020-07-28 19:00:17,095 INFO L280 TraceCheckUtils]: 14: Hoare triple {13648#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {13648#true} is VALID [2020-07-28 19:00:17,095 INFO L280 TraceCheckUtils]: 15: Hoare triple {13648#true} assume 0 != test_~tmp___2~0; {13648#true} is VALID [2020-07-28 19:00:17,095 INFO L280 TraceCheckUtils]: 16: Hoare triple {13648#true} assume !(0 != ~pumpRunning~0); {13648#true} is VALID [2020-07-28 19:00:17,095 INFO L280 TraceCheckUtils]: 17: Hoare triple {13648#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13648#true} is VALID [2020-07-28 19:00:17,095 INFO L280 TraceCheckUtils]: 18: Hoare triple {13648#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {13648#true} is VALID [2020-07-28 19:00:17,096 INFO L280 TraceCheckUtils]: 19: Hoare triple {13648#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {13648#true} is VALID [2020-07-28 19:00:17,096 INFO L280 TraceCheckUtils]: 20: Hoare triple {13648#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {13648#true} is VALID [2020-07-28 19:00:17,096 INFO L280 TraceCheckUtils]: 21: Hoare triple {13648#true} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {13648#true} is VALID [2020-07-28 19:00:17,096 INFO L280 TraceCheckUtils]: 22: Hoare triple {13648#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {13648#true} is VALID [2020-07-28 19:00:17,096 INFO L280 TraceCheckUtils]: 23: Hoare triple {13648#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {13648#true} is VALID [2020-07-28 19:00:17,097 INFO L280 TraceCheckUtils]: 24: Hoare triple {13648#true} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {13648#true} is VALID [2020-07-28 19:00:17,097 INFO L280 TraceCheckUtils]: 25: Hoare triple {13648#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13648#true} is VALID [2020-07-28 19:00:17,097 INFO L280 TraceCheckUtils]: 26: Hoare triple {13648#true} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {13648#true} is VALID [2020-07-28 19:00:17,097 INFO L280 TraceCheckUtils]: 27: Hoare triple {13648#true} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {13648#true} is VALID [2020-07-28 19:00:17,098 INFO L280 TraceCheckUtils]: 28: Hoare triple {13648#true} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,099 INFO L280 TraceCheckUtils]: 29: Hoare triple {13739#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,099 INFO L280 TraceCheckUtils]: 30: Hoare triple {13739#(<= 1 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,100 INFO L280 TraceCheckUtils]: 31: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,100 INFO L280 TraceCheckUtils]: 32: Hoare triple {13739#(<= 1 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,101 INFO L280 TraceCheckUtils]: 33: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,101 INFO L280 TraceCheckUtils]: 34: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,102 INFO L280 TraceCheckUtils]: 35: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume !false; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,103 INFO L280 TraceCheckUtils]: 36: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,103 INFO L280 TraceCheckUtils]: 37: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,104 INFO L280 TraceCheckUtils]: 38: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,104 INFO L280 TraceCheckUtils]: 39: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,105 INFO L280 TraceCheckUtils]: 40: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,105 INFO L280 TraceCheckUtils]: 41: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,106 INFO L280 TraceCheckUtils]: 42: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {13739#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:17,107 INFO L280 TraceCheckUtils]: 43: Hoare triple {13739#(<= 1 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {13649#false} is VALID [2020-07-28 19:00:17,107 INFO L280 TraceCheckUtils]: 44: Hoare triple {13649#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13649#false} is VALID [2020-07-28 19:00:17,107 INFO L280 TraceCheckUtils]: 45: Hoare triple {13649#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; {13649#false} is VALID [2020-07-28 19:00:17,107 INFO L280 TraceCheckUtils]: 46: Hoare triple {13649#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {13649#false} is VALID [2020-07-28 19:00:17,107 INFO L280 TraceCheckUtils]: 47: Hoare triple {13649#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {13649#false} is VALID [2020-07-28 19:00:17,108 INFO L280 TraceCheckUtils]: 48: Hoare triple {13649#false} isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret56 && isHighWaterLevel_#t~ret56 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; {13649#false} is VALID [2020-07-28 19:00:17,108 INFO L280 TraceCheckUtils]: 49: Hoare triple {13649#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; {13649#false} is VALID [2020-07-28 19:00:17,108 INFO L280 TraceCheckUtils]: 50: Hoare triple {13649#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {13649#false} is VALID [2020-07-28 19:00:17,108 INFO L280 TraceCheckUtils]: 51: Hoare triple {13649#false} processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret36 && processEnvironment__wrappee__methaneQuery_#t~ret36 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; {13649#false} is VALID [2020-07-28 19:00:17,108 INFO L280 TraceCheckUtils]: 52: Hoare triple {13649#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~4;havoc activatePump_#t~ret38, activatePump_~tmp~6;havoc activatePump_~tmp~6;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret39, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13649#false} is VALID [2020-07-28 19:00:17,109 INFO L280 TraceCheckUtils]: 53: Hoare triple {13649#false} isMethaneAlarm_#t~ret39 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret39 && isMethaneAlarm_#t~ret39 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret39;havoc isMethaneAlarm_#t~ret39;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {13649#false} is VALID [2020-07-28 19:00:17,109 INFO L280 TraceCheckUtils]: 54: Hoare triple {13649#false} activatePump_#t~ret38 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret38 && activatePump_#t~ret38 <= 2147483647;activatePump_~tmp~6 := activatePump_#t~ret38;havoc activatePump_#t~ret38; {13649#false} is VALID [2020-07-28 19:00:17,109 INFO L280 TraceCheckUtils]: 55: Hoare triple {13649#false} assume !(0 != activatePump_~tmp~6);~pumpRunning~0 := 1; {13649#false} is VALID [2020-07-28 19:00:17,109 INFO L280 TraceCheckUtils]: 56: Hoare triple {13649#false} havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {13649#false} is VALID [2020-07-28 19:00:17,109 INFO L280 TraceCheckUtils]: 57: Hoare triple {13649#false} __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret72 && __utac_acc__Specification2_spec__2_#t~ret72 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; {13649#false} is VALID [2020-07-28 19:00:17,110 INFO L280 TraceCheckUtils]: 58: Hoare triple {13649#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {13649#false} is VALID [2020-07-28 19:00:17,110 INFO L280 TraceCheckUtils]: 59: Hoare triple {13649#false} __utac_acc__Specification2_spec__2_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret73 && __utac_acc__Specification2_spec__2_#t~ret73 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; {13649#false} is VALID [2020-07-28 19:00:17,110 INFO L280 TraceCheckUtils]: 60: Hoare triple {13649#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {13649#false} is VALID [2020-07-28 19:00:17,110 INFO L280 TraceCheckUtils]: 61: Hoare triple {13649#false} assume 0 != ~methAndRunningLastTime~0; {13649#false} is VALID [2020-07-28 19:00:17,110 INFO L280 TraceCheckUtils]: 62: Hoare triple {13649#false} assume !false; {13649#false} is VALID [2020-07-28 19:00:17,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:17,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:00:17,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-07-28 19:00:17,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38893500] [2020-07-28 19:00:17,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:00:17,119 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:17,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:17,197 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:17,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:17,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:17,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:17,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:17,198 INFO L87 Difference]: Start difference. First operand 284 states and 362 transitions. Second operand 3 states. [2020-07-28 19:00:18,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:18,235 INFO L93 Difference]: Finished difference Result 452 states and 587 transitions. [2020-07-28 19:00:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:18,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:00:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2020-07-28 19:00:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2020-07-28 19:00:18,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 151 transitions. [2020-07-28 19:00:18,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:18,408 INFO L225 Difference]: With dead ends: 452 [2020-07-28 19:00:18,408 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:00:18,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:00:18,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:00:18,410 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:18,410 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:18,410 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:18,411 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:18,411 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:18,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:18,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:18,411 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:18,412 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:18,412 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:18,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:18,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:18,413 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:18,413 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:00:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:00:18,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-28 19:00:18,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:18,414 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:00:18,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:18,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:18,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-28 19:00:18,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:00:18,909 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2020-07-28 19:00:19,070 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2020-07-28 19:00:19,275 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2020-07-28 19:00:19,390 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-07-28 19:00:19,546 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 92 [2020-07-28 19:00:20,009 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2020-07-28 19:00:20,284 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-07-28 19:00:20,775 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2020-07-28 19:00:20,926 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-07-28 19:00:21,102 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2020-07-28 19:00:21,256 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2020-07-28 19:00:21,649 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-07-28 19:00:21,778 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2020-07-28 19:00:22,129 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 21 [2020-07-28 19:00:22,297 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-07-28 19:00:22,332 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,332 INFO L268 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,332 INFO L268 CegarLoopResult]: For program point L630-2(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,332 INFO L268 CegarLoopResult]: For program point L630-4(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L268 CegarLoopResult]: For program point L630-6(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L268 CegarLoopResult]: For program point L630-8(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L268 CegarLoopResult]: For program point L630-10(lines 630 636) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L268 CegarLoopResult]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2020-07-28 19:00:22,333 INFO L264 CegarLoopResult]: At program point L664(lines 659 667) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:00:22,334 INFO L264 CegarLoopResult]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L264 CegarLoopResult]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,334 INFO L268 CegarLoopResult]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,335 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,335 INFO L268 CegarLoopResult]: For program point L568-3(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,335 INFO L268 CegarLoopResult]: For program point L568-4(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,335 INFO L268 CegarLoopResult]: For program point L568-5(lines 568 585) no Hoare annotation was computed. [2020-07-28 19:00:22,335 INFO L264 CegarLoopResult]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (or (and .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse1 .cse2 .cse3)) (= 1 ~methaneLevelCritical~0) .cse4))) [2020-07-28 19:00:22,335 INFO L264 CegarLoopResult]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,335 INFO L264 CegarLoopResult]: At program point L833-2(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3 .cse4))) [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-3(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse1 (= 1 ~methaneLevelCritical~0) .cse2 .cse4 .cse3))) [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-4(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-5(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-6(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-7(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L833-8(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,336 INFO L264 CegarLoopResult]: At program point L536(lines 535 554) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse0 (or (and .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0) .cse4) (and .cse1 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse4)) .cse6) (and .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-07-28 19:00:22,337 INFO L264 CegarLoopResult]: At program point L833-9(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,337 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2020-07-28 19:00:22,337 INFO L264 CegarLoopResult]: At program point L833-10(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,337 INFO L264 CegarLoopResult]: At program point L536-2(lines 535 554) the Hoare annotation is: false [2020-07-28 19:00:22,337 INFO L264 CegarLoopResult]: At program point L833-11(lines 828 836) the Hoare annotation is: false [2020-07-28 19:00:22,337 INFO L264 CegarLoopResult]: At program point L536-3(lines 535 554) the Hoare annotation is: false [2020-07-28 19:00:22,337 INFO L268 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2020-07-28 19:00:22,337 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L770-2(lines 536 542) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572-3(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572-4(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L572-5(lines 572 580) no Hoare annotation was computed. [2020-07-28 19:00:22,338 INFO L268 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2020-07-28 19:00:22,339 INFO L264 CegarLoopResult]: At program point L936-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~pumpRunning~0) .cse5) (and .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) .cse4 .cse6 .cse5) (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse6 .cse5) (and .cse1 .cse2 .cse6 (= 1 ~waterLevel~0) .cse5))))) [2020-07-28 19:00:22,339 INFO L268 CegarLoopResult]: For program point L936-2(lines 936 953) no Hoare annotation was computed. [2020-07-28 19:00:22,339 INFO L264 CegarLoopResult]: At program point L936-3(lines 1 956) the Hoare annotation is: false [2020-07-28 19:00:22,339 INFO L268 CegarLoopResult]: For program point L936-4(lines 936 953) no Hoare annotation was computed. [2020-07-28 19:00:22,339 INFO L264 CegarLoopResult]: At program point L936-5(lines 1 956) the Hoare annotation is: false [2020-07-28 19:00:22,339 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-28 19:00:22,339 INFO L271 CegarLoopResult]: At program point L507-1(lines 507 514) the Hoare annotation is: true [2020-07-28 19:00:22,339 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L264 CegarLoopResult]: At program point L906(lines 1 956) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873-3(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,340 INFO L268 CegarLoopResult]: For program point L873-5(lines 873 879) no Hoare annotation was computed. [2020-07-28 19:00:22,341 INFO L264 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 (= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2020-07-28 19:00:22,341 INFO L264 CegarLoopResult]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2020-07-28 19:00:22,341 INFO L264 CegarLoopResult]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2020-07-28 19:00:22,341 INFO L268 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2020-07-28 19:00:22,341 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 950) no Hoare annotation was computed. [2020-07-28 19:00:22,341 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-07-28 19:00:22,341 INFO L268 CegarLoopResult]: For program point L940-4(lines 940 950) no Hoare annotation was computed. [2020-07-28 19:00:22,341 INFO L264 CegarLoopResult]: At program point L478(lines 474 480) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:00:22,341 INFO L268 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2020-07-28 19:00:22,342 INFO L268 CegarLoopResult]: For program point L941-2(lines 941 947) no Hoare annotation was computed. [2020-07-28 19:00:22,342 INFO L268 CegarLoopResult]: For program point L941-4(lines 941 947) no Hoare annotation was computed. [2020-07-28 19:00:22,342 INFO L268 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L744-1(lines 744 750) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6 (<= 1 ~pumpRunning~0) .cse4) (and .cse1 .cse2 .cse5 (= 1 ~methaneLevelCritical~0) .cse6 .cse3 .cse4))) [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L878(lines 869 882) the Hoare annotation is: false [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L878-1(lines 869 882) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse3 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L878-2(lines 869 882) the Hoare annotation is: false [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L878-3(lines 869 882) the Hoare annotation is: false [2020-07-28 19:00:22,342 INFO L264 CegarLoopResult]: At program point L878-4(lines 869 882) the Hoare annotation is: false [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L264 CegarLoopResult]: At program point L878-5(lines 869 882) the Hoare annotation is: false [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-3(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-5(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-6(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-8(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-9(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point L713-11(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,343 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L268 CegarLoopResult]: For program point L713-12(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L268 CegarLoopResult]: For program point L713-14(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L268 CegarLoopResult]: For program point L713-15(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L268 CegarLoopResult]: For program point L713-17(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L264 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: false [2020-07-28 19:00:22,344 INFO L271 CegarLoopResult]: At program point L516(lines 497 519) the Hoare annotation is: true [2020-07-28 19:00:22,344 INFO L264 CegarLoopResult]: At program point L914(lines 909 917) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:00:22,344 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:00:22,344 INFO L264 CegarLoopResult]: At program point L719(lines 704 722) the Hoare annotation is: false [2020-07-28 19:00:22,345 INFO L264 CegarLoopResult]: At program point L719-1(lines 704 722) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse0 .cse2 .cse3 .cse6 .cse7 .cse4))) [2020-07-28 19:00:22,345 INFO L264 CegarLoopResult]: At program point L719-2(lines 704 722) the Hoare annotation is: false [2020-07-28 19:00:22,345 INFO L264 CegarLoopResult]: At program point L719-3(lines 704 722) the Hoare annotation is: false [2020-07-28 19:00:22,345 INFO L264 CegarLoopResult]: At program point L719-4(lines 704 722) the Hoare annotation is: false [2020-07-28 19:00:22,345 INFO L264 CegarLoopResult]: At program point L719-5(lines 704 722) the Hoare annotation is: false [2020-07-28 19:00:22,345 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-28 19:00:22,345 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse0 (or (and .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0) .cse4) (and .cse1 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse4)) .cse6) (and .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655(lines 648 658) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 1 ~methaneLevelCritical~0) (or (and .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse1 .cse2 .cse3)) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse4))) [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655-1(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655-2(lines 648 658) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) .cse2 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse3 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655-3(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655-4(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,346 INFO L264 CegarLoopResult]: At program point L655-5(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,347 INFO L264 CegarLoopResult]: At program point L655-6(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,347 INFO L264 CegarLoopResult]: At program point L655-7(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,347 INFO L264 CegarLoopResult]: At program point L655-8(lines 648 658) the Hoare annotation is: false [2020-07-28 19:00:22,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:00:22,347 INFO L264 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2020-07-28 19:00:22,347 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-28 19:00:22,347 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:00:22,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:00:22,348 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-07-28 19:00:22,348 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2020-07-28 19:00:22,348 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2020-07-28 19:00:22,348 INFO L264 CegarLoopResult]: At program point L925(lines 920 927) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:00:22,348 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-28 19:00:22,348 INFO L268 CegarLoopResult]: For program point L431-1(lines 536 542) no Hoare annotation was computed. [2020-07-28 19:00:22,354 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:00:22,354 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:00:22,361 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 19:00:22,361 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 19:00:22,361 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 19:00:22,363 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:22,368 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 19:00:22,368 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L736 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L796-3 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L796-3 has no Hoare annotation [2020-07-28 19:00:22,369 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:00:22,370 WARN L170 areAnnotationChecker]: L936-2 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L598-1 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L873-3 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L873-3 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L936-2 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L936-2 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 19:00:22,371 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L598-1 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L598-1 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L713-9 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L940-2 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:00:22,372 WARN L170 areAnnotationChecker]: L713-9 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L713-9 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L940-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L940-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L770-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L770-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L873-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L873-2 has no Hoare annotation [2020-07-28 19:00:22,373 WARN L170 areAnnotationChecker]: L713-11 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L941-2 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L941-2 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:00:22,374 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 19:00:22,375 WARN L170 areAnnotationChecker]: L713-6 has no Hoare annotation [2020-07-28 19:00:22,375 WARN L170 areAnnotationChecker]: L572-3 has no Hoare annotation [2020-07-28 19:00:22,375 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 19:00:22,375 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 19:00:22,375 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 19:00:22,376 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 19:00:22,376 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 19:00:22,376 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L713-6 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L713-6 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L572-3 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L572-3 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L431-1 has no Hoare annotation [2020-07-28 19:00:22,377 WARN L170 areAnnotationChecker]: L431-1 has no Hoare annotation [2020-07-28 19:00:22,378 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 19:00:22,378 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 19:00:22,378 WARN L170 areAnnotationChecker]: L936 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L713-8 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L796-6 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L796-6 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L873-1 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L873-1 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L936 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L936 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 19:00:22,379 WARN L170 areAnnotationChecker]: L630-6 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L713-3 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L940 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L630-6 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L630-6 has no Hoare annotation [2020-07-28 19:00:22,380 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L936-4 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L713-3 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L713-3 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L940 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L940 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L873-5 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L873-5 has no Hoare annotation [2020-07-28 19:00:22,381 WARN L170 areAnnotationChecker]: L936-4 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L936-4 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L713-5 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L941 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L941 has no Hoare annotation [2020-07-28 19:00:22,382 WARN L170 areAnnotationChecker]: L630-4 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L713-15 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L940-4 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L630-4 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L630-4 has no Hoare annotation [2020-07-28 19:00:22,383 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L713-15 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L713-15 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L940-4 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L940-4 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L873-4 has no Hoare annotation [2020-07-28 19:00:22,384 WARN L170 areAnnotationChecker]: L873-4 has no Hoare annotation [2020-07-28 19:00:22,385 WARN L170 areAnnotationChecker]: L713-17 has no Hoare annotation [2020-07-28 19:00:22,385 WARN L170 areAnnotationChecker]: L941-4 has no Hoare annotation [2020-07-28 19:00:22,385 WARN L170 areAnnotationChecker]: L941-4 has no Hoare annotation [2020-07-28 19:00:22,385 WARN L170 areAnnotationChecker]: L713-2 has no Hoare annotation [2020-07-28 19:00:22,392 WARN L170 areAnnotationChecker]: L713-12 has no Hoare annotation [2020-07-28 19:00:22,392 WARN L170 areAnnotationChecker]: L572-5 has no Hoare annotation [2020-07-28 19:00:22,392 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 19:00:22,392 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L630-2 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L713-12 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L713-12 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L572-5 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L572-5 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L630-2 has no Hoare annotation [2020-07-28 19:00:22,393 WARN L170 areAnnotationChecker]: L630-2 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L713-14 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L572-4 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L630-10 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L572-4 has no Hoare annotation [2020-07-28 19:00:22,394 WARN L170 areAnnotationChecker]: L572-4 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630-10 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630-10 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630-8 has no Hoare annotation [2020-07-28 19:00:22,395 WARN L170 areAnnotationChecker]: L630-8 has no Hoare annotation [2020-07-28 19:00:22,396 WARN L170 areAnnotationChecker]: L630-8 has no Hoare annotation [2020-07-28 19:00:22,396 INFO L163 areAnnotationChecker]: CFG has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:00:22,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:00:22 BoogieIcfgContainer [2020-07-28 19:00:22,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:00:22,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:00:22,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:00:22,470 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:00:22,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:54" (3/4) ... [2020-07-28 19:00:22,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:00:22,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:00:22,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:00:22,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:00:22,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:00:22,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:00:22,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:22,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:22,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 <= pumpRunning) && 1 == systemActive) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (0 == methaneLevelCritical && ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive))) [2020-07-28 19:00:22,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 <= pumpRunning) && 1 == systemActive)) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((0 == methaneLevelCritical && ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && !(0 == \result)) && 1 == systemActive))) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((0 == methaneLevelCritical && ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && !(0 == \result)) && 1 == systemActive))) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((((0 == splverifierCounter && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive)) && 1 == methaneLevelCritical) && 1 <= pumpRunning) [2020-07-28 19:00:22,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || (((1 == methaneLevelCritical && ((((0 == splverifierCounter && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive))) && 1 == \result) && 1 <= pumpRunning) [2020-07-28 19:00:22,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:00:22,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive) [2020-07-28 19:00:22,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && 1 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:00:22,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:00:22,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:00:22,698 INFO L168 Benchmark]: Toolchain (without parser) took 31105.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 511.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 352.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,699 INFO L168 Benchmark]: CDTParser took 0.22 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 19:00:22,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,700 INFO L168 Benchmark]: Boogie Preprocessor took 68.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:00:22,700 INFO L168 Benchmark]: RCFGBuilder took 1831.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.3 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,700 INFO L168 Benchmark]: TraceAbstraction took 28224.50 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 409.5 MB). Free memory was 872.3 MB in the beginning and 1.1 GB in the end (delta: -259.1 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,701 INFO L168 Benchmark]: Witness Printer took 226.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:22,702 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 0.22 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 654.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1831.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.3 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28224.50 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 409.5 MB). Free memory was 872.3 MB in the beginning and 1.1 GB in the end (delta: -259.1 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. * Witness Printer took 226.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((((0 == splverifierCounter && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive)) && 1 == methaneLevelCritical) && 1 <= pumpRunning) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 <= pumpRunning) && 1 == systemActive) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (0 == methaneLevelCritical && ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive))) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && 1 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((0 == methaneLevelCritical && ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && !(0 == \result)) && 1 == systemActive))) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || (((1 == methaneLevelCritical && ((((0 == splverifierCounter && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive))) && 1 == \result) && 1 <= pumpRunning) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 1 <= pumpRunning) && 1 == systemActive)) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == methaneLevelCritical) && tmp == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((0 == methaneLevelCritical && ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && tmp == methaneLevelCritical) && 1 == systemActive) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && !(0 == \result)) && 1 == systemActive))) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && methaneLevelCritical == \result) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 == methaneLevelCritical) && methaneLevelCritical == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1460 SDtfs, 1621 SDslu, 2549 SDs, 0 SdLazy, 475 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=11, 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, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 141 NumberOfFragments, 866 HoareAnnotationTreeSize, 55 FomulaSimplifications, 379486 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 55 FomulaSimplificationsInter, 35774 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 49808 SizeOfPredicates, 1 NumberOfNonLiveVariables, 451 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 97/106 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...