./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product38.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_product38.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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:59:45,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:45,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:45,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:45,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:45,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:46,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:46,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:46,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:46,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:46,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:46,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:46,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:46,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:46,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:46,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:46,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:46,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:46,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:46,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:46,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:46,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:46,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:46,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:46,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:46,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:46,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:46,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:46,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:46,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:46,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:46,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:46,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:46,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:46,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:46,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:46,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:46,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:46,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:46,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:46,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:46,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:46,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:46,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:46,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:46,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:46,063 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:46,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:46,065 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:46,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:46,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:46,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:46,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:46,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:46,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:46,067 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:46,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:46,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:46,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:46,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:46,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:46,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:46,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:46,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:46,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:46,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:46,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:46,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:46,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:46,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:46,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:46,072 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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2020-07-28 18:59:46,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:46,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:46,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:46,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:46,476 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:46,477 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-07-28 18:59:46,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c2a0fe3/e3aaf355617d4f5b880f98c6b595cc87/FLAGf314f6271 [2020-07-28 18:59:47,104 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:47,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-07-28 18:59:47,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c2a0fe3/e3aaf355617d4f5b880f98c6b595cc87/FLAGf314f6271 [2020-07-28 18:59:47,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c2a0fe3/e3aaf355617d4f5b880f98c6b595cc87 [2020-07-28 18:59:47,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:47,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:47,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:47,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:47,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:47,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:47" (1/1) ... [2020-07-28 18:59:47,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508fcd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:47, skipping insertion in model container [2020-07-28 18:59:47,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:47" (1/1) ... [2020-07-28 18:59:47,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:47,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:47,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:47,944 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:48,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:48,100 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:48,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48 WrapperNode [2020-07-28 18:59:48,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:48,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:48,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:48,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:48,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:48,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:48,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:48,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:48,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (1/1) ... [2020-07-28 18:59:48,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:48,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:48,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:48,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:48,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (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 18:59:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:50,086 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:50,087 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 18:59:50,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:50 BoogieIcfgContainer [2020-07-28 18:59:50,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:50,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:50,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:50,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:50,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:47" (1/3) ... [2020-07-28 18:59:50,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db167d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:50, skipping insertion in model container [2020-07-28 18:59:50,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:48" (2/3) ... [2020-07-28 18:59:50,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db167d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:50, skipping insertion in model container [2020-07-28 18:59:50,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:50" (3/3) ... [2020-07-28 18:59:50,105 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-28 18:59:50,115 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:50,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:50,140 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:50,169 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:50,169 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:50,170 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:50,170 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:50,170 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:50,170 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:50,171 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:50,171 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-07-28 18:59:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:50,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:50,199 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 18:59:50,199 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:50,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:50,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2020-07-28 18:59:50,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:50,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691110464] [2020-07-28 18:59:50,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:50,538 INFO L280 TraceCheckUtils]: 0: Hoare triple {118#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {118#true} is VALID [2020-07-28 18:59:50,539 INFO L280 TraceCheckUtils]: 1: Hoare triple {118#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {118#true} is VALID [2020-07-28 18:59:50,539 INFO L280 TraceCheckUtils]: 2: Hoare triple {118#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {118#true} is VALID [2020-07-28 18:59:50,540 INFO L280 TraceCheckUtils]: 3: Hoare triple {118#true} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {118#true} is VALID [2020-07-28 18:59:50,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {118#true} assume 0 != main_~tmp~5; {118#true} is VALID [2020-07-28 18:59:50,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {118#true} ~methAndRunningLastTime~0 := 0; {118#true} is VALID [2020-07-28 18:59:50,541 INFO L280 TraceCheckUtils]: 6: Hoare triple {118#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {118#true} is VALID [2020-07-28 18:59:50,542 INFO L280 TraceCheckUtils]: 7: Hoare triple {118#true} assume false; {119#false} is VALID [2020-07-28 18:59:50,543 INFO L280 TraceCheckUtils]: 8: Hoare triple {119#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {119#false} is VALID [2020-07-28 18:59:50,544 INFO L280 TraceCheckUtils]: 9: Hoare triple {119#false} assume !(0 != ~pumpRunning~0); {119#false} is VALID [2020-07-28 18:59:50,545 INFO L280 TraceCheckUtils]: 10: Hoare triple {119#false} assume !(0 != ~systemActive~0); {119#false} is VALID [2020-07-28 18:59:50,546 INFO L280 TraceCheckUtils]: 11: Hoare triple {119#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {119#false} is VALID [2020-07-28 18:59:50,546 INFO L280 TraceCheckUtils]: 12: Hoare triple {119#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {119#false} is VALID [2020-07-28 18:59:50,547 INFO L280 TraceCheckUtils]: 13: Hoare triple {119#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {119#false} is VALID [2020-07-28 18:59:50,547 INFO L280 TraceCheckUtils]: 14: Hoare triple {119#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {119#false} is VALID [2020-07-28 18:59:50,548 INFO L280 TraceCheckUtils]: 15: Hoare triple {119#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {119#false} is VALID [2020-07-28 18:59:50,548 INFO L280 TraceCheckUtils]: 16: Hoare triple {119#false} assume 0 != ~methAndRunningLastTime~0; {119#false} is VALID [2020-07-28 18:59:50,549 INFO L280 TraceCheckUtils]: 17: Hoare triple {119#false} assume !false; {119#false} is VALID [2020-07-28 18:59:50,553 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 18:59:50,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691110464] [2020-07-28 18:59:50,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:50,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:50,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820035164] [2020-07-28 18:59:50,563 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:50,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:50,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:50,615 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 18:59:50,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:50,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:50,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:50,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:50,628 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-07-28 18:59:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:50,907 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2020-07-28 18:59:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:50,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 18:59:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 18:59:50,948 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 342 transitions. [2020-07-28 18:59:51,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 342 edges. 342 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:51,528 INFO L225 Difference]: With dead ends: 223 [2020-07-28 18:59:51,528 INFO L226 Difference]: Without dead ends: 111 [2020-07-28 18:59:51,534 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 18:59:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-28 18:59:51,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-07-28 18:59:51,638 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:51,638 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand 111 states. [2020-07-28 18:59:51,639 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 111 states. [2020-07-28 18:59:51,639 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 111 states. [2020-07-28 18:59:51,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:51,648 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-07-28 18:59:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2020-07-28 18:59:51,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:51,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:51,650 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 111 states. [2020-07-28 18:59:51,651 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 111 states. [2020-07-28 18:59:51,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:51,658 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-07-28 18:59:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2020-07-28 18:59:51,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:51,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:51,661 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:51,661 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-28 18:59:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2020-07-28 18:59:51,669 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2020-07-28 18:59:51,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:51,670 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2020-07-28 18:59:51,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2020-07-28 18:59:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:51,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:51,672 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 18:59:51,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:51,673 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2020-07-28 18:59:51,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:51,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207157307] [2020-07-28 18:59:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:51,844 INFO L280 TraceCheckUtils]: 0: Hoare triple {804#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {804#true} is VALID [2020-07-28 18:59:51,844 INFO L280 TraceCheckUtils]: 1: Hoare triple {804#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {804#true} is VALID [2020-07-28 18:59:51,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {804#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {804#true} is VALID [2020-07-28 18:59:51,845 INFO L280 TraceCheckUtils]: 3: Hoare triple {804#true} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {804#true} is VALID [2020-07-28 18:59:51,845 INFO L280 TraceCheckUtils]: 4: Hoare triple {804#true} assume 0 != main_~tmp~5; {804#true} is VALID [2020-07-28 18:59:51,845 INFO L280 TraceCheckUtils]: 5: Hoare triple {804#true} ~methAndRunningLastTime~0 := 0; {804#true} is VALID [2020-07-28 18:59:51,847 INFO L280 TraceCheckUtils]: 6: Hoare triple {804#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {806#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:51,849 INFO L280 TraceCheckUtils]: 7: Hoare triple {806#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {806#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:51,855 INFO L280 TraceCheckUtils]: 8: Hoare triple {806#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {805#false} is VALID [2020-07-28 18:59:51,855 INFO L280 TraceCheckUtils]: 9: Hoare triple {805#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {805#false} is VALID [2020-07-28 18:59:51,855 INFO L280 TraceCheckUtils]: 10: Hoare triple {805#false} assume !(0 != ~pumpRunning~0); {805#false} is VALID [2020-07-28 18:59:51,856 INFO L280 TraceCheckUtils]: 11: Hoare triple {805#false} assume !(0 != ~systemActive~0); {805#false} is VALID [2020-07-28 18:59:51,856 INFO L280 TraceCheckUtils]: 12: Hoare triple {805#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {805#false} is VALID [2020-07-28 18:59:51,856 INFO L280 TraceCheckUtils]: 13: Hoare triple {805#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {805#false} is VALID [2020-07-28 18:59:51,856 INFO L280 TraceCheckUtils]: 14: Hoare triple {805#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {805#false} is VALID [2020-07-28 18:59:51,857 INFO L280 TraceCheckUtils]: 15: Hoare triple {805#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {805#false} is VALID [2020-07-28 18:59:51,857 INFO L280 TraceCheckUtils]: 16: Hoare triple {805#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {805#false} is VALID [2020-07-28 18:59:51,859 INFO L280 TraceCheckUtils]: 17: Hoare triple {805#false} assume 0 != ~methAndRunningLastTime~0; {805#false} is VALID [2020-07-28 18:59:51,859 INFO L280 TraceCheckUtils]: 18: Hoare triple {805#false} assume !false; {805#false} is VALID [2020-07-28 18:59:51,862 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 18:59:51,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207157307] [2020-07-28 18:59:51,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:51,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:51,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746383783] [2020-07-28 18:59:51,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:51,868 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:51,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:51,899 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 18:59:51,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:51,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:51,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:51,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:51,900 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2020-07-28 18:59:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:52,165 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-07-28 18:59:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:52,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 18:59:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 18:59:52,171 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 163 transitions. [2020-07-28 18:59:52,358 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:52,360 INFO L225 Difference]: With dead ends: 111 [2020-07-28 18:59:52,360 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:59:52,362 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 18:59:52,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:59:52,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:59:52,388 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:52,388 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:52,388 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:52,388 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:52,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:52,391 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:59:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:59:52,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:52,392 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:52,392 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:52,392 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:52,396 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:59:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:59:52,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:52,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:52,397 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:52,397 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:59:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 18:59:52,399 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-07-28 18:59:52,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:52,400 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 18:59:52,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:59:52,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:52,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:52,401 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 18:59:52,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:52,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:52,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:52,402 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2020-07-28 18:59:52,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:52,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473694539] [2020-07-28 18:59:52,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:52,569 INFO L280 TraceCheckUtils]: 0: Hoare triple {1121#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1121#true} is VALID [2020-07-28 18:59:52,569 INFO L280 TraceCheckUtils]: 1: Hoare triple {1121#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {1121#true} is VALID [2020-07-28 18:59:52,570 INFO L280 TraceCheckUtils]: 2: Hoare triple {1121#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1123#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:59:52,571 INFO L280 TraceCheckUtils]: 3: Hoare triple {1123#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {1124#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 18:59:52,571 INFO L280 TraceCheckUtils]: 4: Hoare triple {1124#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {1121#true} is VALID [2020-07-28 18:59:52,572 INFO L280 TraceCheckUtils]: 5: Hoare triple {1121#true} ~methAndRunningLastTime~0 := 0; {1121#true} is VALID [2020-07-28 18:59:52,572 INFO L280 TraceCheckUtils]: 6: Hoare triple {1121#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1121#true} is VALID [2020-07-28 18:59:52,572 INFO L280 TraceCheckUtils]: 7: Hoare triple {1121#true} assume !false; {1121#true} is VALID [2020-07-28 18:59:52,572 INFO L280 TraceCheckUtils]: 8: Hoare triple {1121#true} assume test_~splverifierCounter~0 < 4; {1121#true} is VALID [2020-07-28 18:59:52,573 INFO L280 TraceCheckUtils]: 9: Hoare triple {1121#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {1121#true} is VALID [2020-07-28 18:59:52,573 INFO L280 TraceCheckUtils]: 10: Hoare triple {1121#true} assume !(0 != test_~tmp~4); {1121#true} is VALID [2020-07-28 18:59:52,573 INFO L280 TraceCheckUtils]: 11: Hoare triple {1121#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {1121#true} is VALID [2020-07-28 18:59:52,574 INFO L280 TraceCheckUtils]: 12: Hoare triple {1121#true} assume !(0 != test_~tmp___0~2); {1121#true} is VALID [2020-07-28 18:59:52,574 INFO L280 TraceCheckUtils]: 13: Hoare triple {1121#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {1121#true} is VALID [2020-07-28 18:59:52,575 INFO L280 TraceCheckUtils]: 14: Hoare triple {1121#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1125#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:52,576 INFO L280 TraceCheckUtils]: 15: Hoare triple {1125#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1125#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:52,577 INFO L280 TraceCheckUtils]: 16: Hoare triple {1125#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1122#false} is VALID [2020-07-28 18:59:52,577 INFO L280 TraceCheckUtils]: 17: Hoare triple {1122#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1122#false} is VALID [2020-07-28 18:59:52,577 INFO L280 TraceCheckUtils]: 18: Hoare triple {1122#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {1122#false} is VALID [2020-07-28 18:59:52,578 INFO L280 TraceCheckUtils]: 19: Hoare triple {1122#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1122#false} is VALID [2020-07-28 18:59:52,578 INFO L280 TraceCheckUtils]: 20: Hoare triple {1122#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {1122#false} is VALID [2020-07-28 18:59:52,578 INFO L280 TraceCheckUtils]: 21: Hoare triple {1122#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1122#false} is VALID [2020-07-28 18:59:52,579 INFO L280 TraceCheckUtils]: 22: Hoare triple {1122#false} assume 0 != ~methAndRunningLastTime~0; {1122#false} is VALID [2020-07-28 18:59:52,579 INFO L280 TraceCheckUtils]: 23: Hoare triple {1122#false} assume !false; {1122#false} is VALID [2020-07-28 18:59:52,580 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 18:59:52,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473694539] [2020-07-28 18:59:52,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:52,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:52,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207204517] [2020-07-28 18:59:52,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:52,582 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:52,582 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:52,613 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 18:59:52,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:52,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:52,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:52,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:52,615 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-07-28 18:59:53,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,067 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2020-07-28 18:59:53,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:53,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-28 18:59:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-28 18:59:53,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 129 transitions. [2020-07-28 18:59:53,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:53,229 INFO L225 Difference]: With dead ends: 87 [2020-07-28 18:59:53,229 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:59:53,230 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 18:59:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:59:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:59:53,267 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:53,267 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:53,267 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:53,267 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:53,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,274 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 18:59:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:59:53,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:53,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:53,276 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:53,277 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:59:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,284 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 18:59:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:59:53,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:53,286 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:53,286 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:53,286 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:59:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-07-28 18:59:53,291 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-07-28 18:59:53,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:53,292 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-07-28 18:59:53,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:59:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:53,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:53,294 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 18:59:53,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:53,294 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:53,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:53,295 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2020-07-28 18:59:53,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:53,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210862493] [2020-07-28 18:59:53,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:53,391 INFO L280 TraceCheckUtils]: 0: Hoare triple {1411#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {1413#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {1413#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,394 INFO L280 TraceCheckUtils]: 3: Hoare triple {1413#(= 0 ~pumpRunning~0)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,395 INFO L280 TraceCheckUtils]: 4: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,395 INFO L280 TraceCheckUtils]: 5: Hoare triple {1413#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,396 INFO L280 TraceCheckUtils]: 6: Hoare triple {1413#(= 0 ~pumpRunning~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,397 INFO L280 TraceCheckUtils]: 7: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !false; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,398 INFO L280 TraceCheckUtils]: 8: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,399 INFO L280 TraceCheckUtils]: 9: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,399 INFO L280 TraceCheckUtils]: 10: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,400 INFO L280 TraceCheckUtils]: 11: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,401 INFO L280 TraceCheckUtils]: 12: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,401 INFO L280 TraceCheckUtils]: 13: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,402 INFO L280 TraceCheckUtils]: 14: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,403 INFO L280 TraceCheckUtils]: 15: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,403 INFO L280 TraceCheckUtils]: 16: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,404 INFO L280 TraceCheckUtils]: 17: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1413#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:53,405 INFO L280 TraceCheckUtils]: 18: Hoare triple {1413#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1412#false} is VALID [2020-07-28 18:59:53,405 INFO L280 TraceCheckUtils]: 19: Hoare triple {1412#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1412#false} is VALID [2020-07-28 18:59:53,406 INFO L280 TraceCheckUtils]: 20: Hoare triple {1412#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {1412#false} is VALID [2020-07-28 18:59:53,406 INFO L280 TraceCheckUtils]: 21: Hoare triple {1412#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1412#false} is VALID [2020-07-28 18:59:53,406 INFO L280 TraceCheckUtils]: 22: Hoare triple {1412#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {1412#false} is VALID [2020-07-28 18:59:53,407 INFO L280 TraceCheckUtils]: 23: Hoare triple {1412#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1412#false} is VALID [2020-07-28 18:59:53,407 INFO L280 TraceCheckUtils]: 24: Hoare triple {1412#false} assume 0 != ~methAndRunningLastTime~0; {1412#false} is VALID [2020-07-28 18:59:53,407 INFO L280 TraceCheckUtils]: 25: Hoare triple {1412#false} assume !false; {1412#false} is VALID [2020-07-28 18:59:53,409 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 18:59:53,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210862493] [2020-07-28 18:59:53,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:53,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:53,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25219047] [2020-07-28 18:59:53,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 18:59:53,411 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:53,411 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:53,452 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 18:59:53,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:53,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:53,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:53,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:53,454 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-07-28 18:59:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,715 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:53,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 18:59:53,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:59:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:59:53,721 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 159 transitions. [2020-07-28 18:59:53,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:53,911 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:59:53,911 INFO L226 Difference]: Without dead ends: 69 [2020-07-28 18:59:53,912 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 18:59:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-28 18:59:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-07-28 18:59:53,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:53,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 67 states. [2020-07-28 18:59:53,986 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 67 states. [2020-07-28 18:59:53,986 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 67 states. [2020-07-28 18:59:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,989 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 18:59:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 18:59:53,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:53,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:53,990 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 69 states. [2020-07-28 18:59:53,990 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 69 states. [2020-07-28 18:59:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:53,993 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 18:59:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 18:59:53,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:53,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:53,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:53,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 18:59:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2020-07-28 18:59:53,997 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2020-07-28 18:59:53,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:53,997 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2020-07-28 18:59:53,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-07-28 18:59:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:59:53,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:53,998 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 18:59:53,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:53,999 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:53,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:53,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2020-07-28 18:59:53,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:54,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804679616] [2020-07-28 18:59:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:54,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {1796#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,079 INFO L280 TraceCheckUtils]: 2: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,080 INFO L280 TraceCheckUtils]: 3: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,085 INFO L280 TraceCheckUtils]: 4: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~5; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,086 INFO L280 TraceCheckUtils]: 5: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !false; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,088 INFO L280 TraceCheckUtils]: 9: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,089 INFO L280 TraceCheckUtils]: 10: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,090 INFO L280 TraceCheckUtils]: 12: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,091 INFO L280 TraceCheckUtils]: 13: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,091 INFO L280 TraceCheckUtils]: 14: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,092 INFO L280 TraceCheckUtils]: 15: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,092 INFO L280 TraceCheckUtils]: 16: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,092 INFO L280 TraceCheckUtils]: 17: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,095 INFO L280 TraceCheckUtils]: 20: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,098 INFO L280 TraceCheckUtils]: 21: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,099 INFO L280 TraceCheckUtils]: 22: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,100 INFO L280 TraceCheckUtils]: 23: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,100 INFO L280 TraceCheckUtils]: 24: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {1798#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:54,101 INFO L280 TraceCheckUtils]: 25: Hoare triple {1798#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1799#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:54,102 INFO L280 TraceCheckUtils]: 26: Hoare triple {1799#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {1800#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)} is VALID [2020-07-28 18:59:54,103 INFO L280 TraceCheckUtils]: 27: Hoare triple {1800#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1797#false} is VALID [2020-07-28 18:59:54,103 INFO L280 TraceCheckUtils]: 28: Hoare triple {1797#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {1797#false} is VALID [2020-07-28 18:59:54,103 INFO L280 TraceCheckUtils]: 29: Hoare triple {1797#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1797#false} is VALID [2020-07-28 18:59:54,104 INFO L280 TraceCheckUtils]: 30: Hoare triple {1797#false} assume 0 != ~methAndRunningLastTime~0; {1797#false} is VALID [2020-07-28 18:59:54,104 INFO L280 TraceCheckUtils]: 31: Hoare triple {1797#false} assume !false; {1797#false} is VALID [2020-07-28 18:59:54,106 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 18:59:54,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804679616] [2020-07-28 18:59:54,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:54,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:54,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69872214] [2020-07-28 18:59:54,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:59:54,107 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:54,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:54,148 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 18:59:54,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:54,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:54,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:54,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:54,150 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2020-07-28 18:59:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,290 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2020-07-28 18:59:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:55,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:59:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 325 transitions. [2020-07-28 18:59:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 325 transitions. [2020-07-28 18:59:55,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 325 transitions. [2020-07-28 18:59:55,677 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 325 edges. 325 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:55,686 INFO L225 Difference]: With dead ends: 313 [2020-07-28 18:59:55,686 INFO L226 Difference]: Without dead ends: 253 [2020-07-28 18:59:55,687 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 18:59:55,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-28 18:59:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2020-07-28 18:59:55,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:55,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 119 states. [2020-07-28 18:59:55,860 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 119 states. [2020-07-28 18:59:55,860 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 119 states. [2020-07-28 18:59:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,868 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2020-07-28 18:59:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 363 transitions. [2020-07-28 18:59:55,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:55,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:55,869 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 253 states. [2020-07-28 18:59:55,870 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 253 states. [2020-07-28 18:59:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:55,879 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2020-07-28 18:59:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 363 transitions. [2020-07-28 18:59:55,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:55,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:55,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:55,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-28 18:59:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-07-28 18:59:55,885 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2020-07-28 18:59:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:55,885 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-07-28 18:59:55,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-07-28 18:59:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:59:55,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:55,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:55,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:55,887 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:55,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:55,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2020-07-28 18:59:55,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:55,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653472929] [2020-07-28 18:59:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:55,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {2919#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {2921#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,968 INFO L280 TraceCheckUtils]: 2: Hoare triple {2921#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,971 INFO L280 TraceCheckUtils]: 3: Hoare triple {2921#(= 0 ~pumpRunning~0)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,974 INFO L280 TraceCheckUtils]: 4: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,975 INFO L280 TraceCheckUtils]: 5: Hoare triple {2921#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {2921#(= 0 ~pumpRunning~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,977 INFO L280 TraceCheckUtils]: 7: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !false; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,977 INFO L280 TraceCheckUtils]: 8: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,978 INFO L280 TraceCheckUtils]: 9: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,979 INFO L280 TraceCheckUtils]: 10: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,980 INFO L280 TraceCheckUtils]: 11: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,982 INFO L280 TraceCheckUtils]: 12: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~2; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,983 INFO L280 TraceCheckUtils]: 13: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,984 INFO L280 TraceCheckUtils]: 14: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,984 INFO L280 TraceCheckUtils]: 15: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,985 INFO L280 TraceCheckUtils]: 16: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,986 INFO L280 TraceCheckUtils]: 17: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,986 INFO L280 TraceCheckUtils]: 18: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,988 INFO L280 TraceCheckUtils]: 20: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,988 INFO L280 TraceCheckUtils]: 21: Hoare triple {2921#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,989 INFO L280 TraceCheckUtils]: 22: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,989 INFO L280 TraceCheckUtils]: 23: Hoare triple {2921#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,990 INFO L280 TraceCheckUtils]: 24: Hoare triple {2921#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,990 INFO L280 TraceCheckUtils]: 25: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,991 INFO L280 TraceCheckUtils]: 26: Hoare triple {2921#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,991 INFO L280 TraceCheckUtils]: 27: Hoare triple {2921#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {2921#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:55,992 INFO L280 TraceCheckUtils]: 28: Hoare triple {2921#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2922#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:55,992 INFO L280 TraceCheckUtils]: 29: Hoare triple {2922#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {2923#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 18:59:55,993 INFO L280 TraceCheckUtils]: 30: Hoare triple {2923#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {2920#false} is VALID [2020-07-28 18:59:55,993 INFO L280 TraceCheckUtils]: 31: Hoare triple {2920#false} assume 0 != ~methAndRunningLastTime~0; {2920#false} is VALID [2020-07-28 18:59:55,993 INFO L280 TraceCheckUtils]: 32: Hoare triple {2920#false} assume !false; {2920#false} is VALID [2020-07-28 18:59:55,995 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 18:59:55,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653472929] [2020-07-28 18:59:55,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:55,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:55,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112661786] [2020-07-28 18:59:55,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:59:55,997 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:55,997 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:56,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:56,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:56,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:56,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:56,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:56,049 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2020-07-28 18:59:57,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,246 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2020-07-28 18:59:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:59:57,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:59:57,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:59:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:59:57,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 314 transitions. [2020-07-28 18:59:57,641 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:57,650 INFO L225 Difference]: With dead ends: 436 [2020-07-28 18:59:57,651 INFO L226 Difference]: Without dead ends: 324 [2020-07-28 18:59:57,652 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 18:59:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-07-28 18:59:57,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2020-07-28 18:59:57,897 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:57,897 INFO L82 GeneralOperation]: Start isEquivalent. First operand 324 states. Second operand 118 states. [2020-07-28 18:59:57,897 INFO L74 IsIncluded]: Start isIncluded. First operand 324 states. Second operand 118 states. [2020-07-28 18:59:57,898 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 118 states. [2020-07-28 18:59:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,912 INFO L93 Difference]: Finished difference Result 324 states and 461 transitions. [2020-07-28 18:59:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 461 transitions. [2020-07-28 18:59:57,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,914 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 324 states. [2020-07-28 18:59:57,914 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 324 states. [2020-07-28 18:59:57,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:57,963 INFO L93 Difference]: Finished difference Result 324 states and 461 transitions. [2020-07-28 18:59:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 461 transitions. [2020-07-28 18:59:57,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:57,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:57,964 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:57,964 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-28 18:59:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2020-07-28 18:59:57,978 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2020-07-28 18:59:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:57,978 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2020-07-28 18:59:57,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2020-07-28 18:59:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:59:57,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:57,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:57,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:59:57,982 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:57,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2020-07-28 18:59:57,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:57,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053072675] [2020-07-28 18:59:57,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:58,089 INFO L280 TraceCheckUtils]: 0: Hoare triple {4352#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {4352#true} is VALID [2020-07-28 18:59:58,089 INFO L280 TraceCheckUtils]: 1: Hoare triple {4352#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {4352#true} is VALID [2020-07-28 18:59:58,090 INFO L280 TraceCheckUtils]: 2: Hoare triple {4352#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {4352#true} is VALID [2020-07-28 18:59:58,090 INFO L280 TraceCheckUtils]: 3: Hoare triple {4352#true} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {4352#true} is VALID [2020-07-28 18:59:58,090 INFO L280 TraceCheckUtils]: 4: Hoare triple {4352#true} assume 0 != main_~tmp~5; {4352#true} is VALID [2020-07-28 18:59:58,091 INFO L280 TraceCheckUtils]: 5: Hoare triple {4352#true} ~methAndRunningLastTime~0 := 0; {4352#true} is VALID [2020-07-28 18:59:58,091 INFO L280 TraceCheckUtils]: 6: Hoare triple {4352#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4352#true} is VALID [2020-07-28 18:59:58,091 INFO L280 TraceCheckUtils]: 7: Hoare triple {4352#true} assume !false; {4352#true} is VALID [2020-07-28 18:59:58,091 INFO L280 TraceCheckUtils]: 8: Hoare triple {4352#true} assume test_~splverifierCounter~0 < 4; {4352#true} is VALID [2020-07-28 18:59:58,091 INFO L280 TraceCheckUtils]: 9: Hoare triple {4352#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {4352#true} is VALID [2020-07-28 18:59:58,092 INFO L280 TraceCheckUtils]: 10: Hoare triple {4352#true} assume !(0 != test_~tmp~4); {4352#true} is VALID [2020-07-28 18:59:58,092 INFO L280 TraceCheckUtils]: 11: Hoare triple {4352#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {4352#true} is VALID [2020-07-28 18:59:58,092 INFO L280 TraceCheckUtils]: 12: Hoare triple {4352#true} assume 0 != test_~tmp___0~2; {4352#true} is VALID [2020-07-28 18:59:58,092 INFO L280 TraceCheckUtils]: 13: Hoare triple {4352#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4352#true} is VALID [2020-07-28 18:59:58,092 INFO L280 TraceCheckUtils]: 14: Hoare triple {4352#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {4352#true} is VALID [2020-07-28 18:59:58,093 INFO L280 TraceCheckUtils]: 15: Hoare triple {4352#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4352#true} is VALID [2020-07-28 18:59:58,093 INFO L280 TraceCheckUtils]: 16: Hoare triple {4352#true} assume !(0 != ~pumpRunning~0); {4352#true} is VALID [2020-07-28 18:59:58,093 INFO L280 TraceCheckUtils]: 17: Hoare triple {4352#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {4352#true} is VALID [2020-07-28 18:59:58,094 INFO L280 TraceCheckUtils]: 18: Hoare triple {4352#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {4352#true} is VALID [2020-07-28 18:59:58,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {4352#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {4352#true} is VALID [2020-07-28 18:59:58,094 INFO L280 TraceCheckUtils]: 20: Hoare triple {4352#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {4352#true} is VALID [2020-07-28 18:59:58,094 INFO L280 TraceCheckUtils]: 21: Hoare triple {4352#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {4352#true} is VALID [2020-07-28 18:59:58,097 INFO L280 TraceCheckUtils]: 22: Hoare triple {4352#true} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {4354#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:59:58,098 INFO L280 TraceCheckUtils]: 23: Hoare triple {4354#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {4355#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:59:58,099 INFO L280 TraceCheckUtils]: 24: Hoare triple {4355#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {4356#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} is VALID [2020-07-28 18:59:58,100 INFO L280 TraceCheckUtils]: 25: Hoare triple {4356#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {4353#false} is VALID [2020-07-28 18:59:58,100 INFO L280 TraceCheckUtils]: 26: Hoare triple {4353#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {4353#false} is VALID [2020-07-28 18:59:58,101 INFO L280 TraceCheckUtils]: 27: Hoare triple {4353#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {4353#false} is VALID [2020-07-28 18:59:58,101 INFO L280 TraceCheckUtils]: 28: Hoare triple {4353#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {4353#false} is VALID [2020-07-28 18:59:58,101 INFO L280 TraceCheckUtils]: 29: Hoare triple {4353#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {4353#false} is VALID [2020-07-28 18:59:58,101 INFO L280 TraceCheckUtils]: 30: Hoare triple {4353#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {4353#false} is VALID [2020-07-28 18:59:58,101 INFO L280 TraceCheckUtils]: 31: Hoare triple {4353#false} assume 0 != ~methAndRunningLastTime~0; {4353#false} is VALID [2020-07-28 18:59:58,102 INFO L280 TraceCheckUtils]: 32: Hoare triple {4353#false} assume !false; {4353#false} is VALID [2020-07-28 18:59:58,103 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 18:59:58,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053072675] [2020-07-28 18:59:58,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:58,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:58,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018677854] [2020-07-28 18:59:58,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:59:58,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:58,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:58,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:58,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:58,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:58,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:58,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:58,145 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2020-07-28 18:59:58,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:58,923 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2020-07-28 18:59:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:59:58,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:59:58,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2020-07-28 18:59:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2020-07-28 18:59:58,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 186 transitions. [2020-07-28 18:59:59,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:59,119 INFO L225 Difference]: With dead ends: 315 [2020-07-28 18:59:59,119 INFO L226 Difference]: Without dead ends: 204 [2020-07-28 18:59:59,120 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 18:59:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-28 18:59:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2020-07-28 18:59:59,347 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:59,347 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand 130 states. [2020-07-28 18:59:59,347 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 130 states. [2020-07-28 18:59:59,347 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 130 states. [2020-07-28 18:59:59,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:59,353 INFO L93 Difference]: Finished difference Result 204 states and 275 transitions. [2020-07-28 18:59:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 275 transitions. [2020-07-28 18:59:59,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:59,354 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:59,355 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 204 states. [2020-07-28 18:59:59,355 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 204 states. [2020-07-28 18:59:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:59,360 INFO L93 Difference]: Finished difference Result 204 states and 275 transitions. [2020-07-28 18:59:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 275 transitions. [2020-07-28 18:59:59,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:59,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:59,362 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:59,362 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-28 18:59:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2020-07-28 18:59:59,367 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2020-07-28 18:59:59,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:59,368 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2020-07-28 18:59:59,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2020-07-28 18:59:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:59:59,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:59,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:59,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:59:59,370 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:59,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2020-07-28 18:59:59,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:59,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882756506] [2020-07-28 18:59:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:59,452 INFO L280 TraceCheckUtils]: 0: Hoare triple {5390#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {5390#true} is VALID [2020-07-28 18:59:59,452 INFO L280 TraceCheckUtils]: 1: Hoare triple {5390#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {5390#true} is VALID [2020-07-28 18:59:59,453 INFO L280 TraceCheckUtils]: 2: Hoare triple {5390#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {5392#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:59:59,454 INFO L280 TraceCheckUtils]: 3: Hoare triple {5392#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {5393#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 18:59:59,454 INFO L280 TraceCheckUtils]: 4: Hoare triple {5393#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {5390#true} is VALID [2020-07-28 18:59:59,454 INFO L280 TraceCheckUtils]: 5: Hoare triple {5390#true} ~methAndRunningLastTime~0 := 0; {5390#true} is VALID [2020-07-28 18:59:59,455 INFO L280 TraceCheckUtils]: 6: Hoare triple {5390#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5390#true} is VALID [2020-07-28 18:59:59,455 INFO L280 TraceCheckUtils]: 7: Hoare triple {5390#true} assume !false; {5390#true} is VALID [2020-07-28 18:59:59,455 INFO L280 TraceCheckUtils]: 8: Hoare triple {5390#true} assume test_~splverifierCounter~0 < 4; {5390#true} is VALID [2020-07-28 18:59:59,456 INFO L280 TraceCheckUtils]: 9: Hoare triple {5390#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {5390#true} is VALID [2020-07-28 18:59:59,456 INFO L280 TraceCheckUtils]: 10: Hoare triple {5390#true} assume !(0 != test_~tmp~4); {5390#true} is VALID [2020-07-28 18:59:59,456 INFO L280 TraceCheckUtils]: 11: Hoare triple {5390#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {5390#true} is VALID [2020-07-28 18:59:59,456 INFO L280 TraceCheckUtils]: 12: Hoare triple {5390#true} assume 0 != test_~tmp___0~2; {5390#true} is VALID [2020-07-28 18:59:59,456 INFO L280 TraceCheckUtils]: 13: Hoare triple {5390#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5390#true} is VALID [2020-07-28 18:59:59,457 INFO L280 TraceCheckUtils]: 14: Hoare triple {5390#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {5390#true} is VALID [2020-07-28 18:59:59,457 INFO L280 TraceCheckUtils]: 15: Hoare triple {5390#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5390#true} is VALID [2020-07-28 18:59:59,457 INFO L280 TraceCheckUtils]: 16: Hoare triple {5390#true} assume !(0 != ~pumpRunning~0); {5390#true} is VALID [2020-07-28 18:59:59,457 INFO L280 TraceCheckUtils]: 17: Hoare triple {5390#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5390#true} is VALID [2020-07-28 18:59:59,457 INFO L280 TraceCheckUtils]: 18: Hoare triple {5390#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {5390#true} is VALID [2020-07-28 18:59:59,458 INFO L280 TraceCheckUtils]: 19: Hoare triple {5390#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {5390#true} is VALID [2020-07-28 18:59:59,462 INFO L280 TraceCheckUtils]: 20: Hoare triple {5390#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {5394#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:59:59,465 INFO L280 TraceCheckUtils]: 21: Hoare triple {5394#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {5395#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} is VALID [2020-07-28 18:59:59,467 INFO L280 TraceCheckUtils]: 22: Hoare triple {5395#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {5391#false} is VALID [2020-07-28 18:59:59,467 INFO L280 TraceCheckUtils]: 23: Hoare triple {5391#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {5391#false} is VALID [2020-07-28 18:59:59,467 INFO L280 TraceCheckUtils]: 24: Hoare triple {5391#false} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {5391#false} is VALID [2020-07-28 18:59:59,467 INFO L280 TraceCheckUtils]: 25: Hoare triple {5391#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {5391#false} is VALID [2020-07-28 18:59:59,468 INFO L280 TraceCheckUtils]: 26: Hoare triple {5391#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {5391#false} is VALID [2020-07-28 18:59:59,468 INFO L280 TraceCheckUtils]: 27: Hoare triple {5391#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {5391#false} is VALID [2020-07-28 18:59:59,468 INFO L280 TraceCheckUtils]: 28: Hoare triple {5391#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {5391#false} is VALID [2020-07-28 18:59:59,469 INFO L280 TraceCheckUtils]: 29: Hoare triple {5391#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {5391#false} is VALID [2020-07-28 18:59:59,469 INFO L280 TraceCheckUtils]: 30: Hoare triple {5391#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {5391#false} is VALID [2020-07-28 18:59:59,469 INFO L280 TraceCheckUtils]: 31: Hoare triple {5391#false} assume 0 != ~methAndRunningLastTime~0; {5391#false} is VALID [2020-07-28 18:59:59,469 INFO L280 TraceCheckUtils]: 32: Hoare triple {5391#false} assume !false; {5391#false} is VALID [2020-07-28 18:59:59,470 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 18:59:59,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882756506] [2020-07-28 18:59:59,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:59,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:59:59,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824067168] [2020-07-28 18:59:59,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-07-28 18:59:59,472 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:59,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:59:59,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:59,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:59:59,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:59,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:59:59,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:59:59,521 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 6 states. [2020-07-28 19:00:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:00,968 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2020-07-28 19:00:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:00:00,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-07-28 19:00:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:00,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-28 19:00:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-28 19:00:00,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-28 19:00:01,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:01,238 INFO L225 Difference]: With dead ends: 349 [2020-07-28 19:00:01,239 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 19:00:01,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:00:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 19:00:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2020-07-28 19:00:01,534 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:01,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 138 states. [2020-07-28 19:00:01,534 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 138 states. [2020-07-28 19:00:01,534 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 138 states. [2020-07-28 19:00:01,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:01,540 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2020-07-28 19:00:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 297 transitions. [2020-07-28 19:00:01,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:01,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:01,542 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 226 states. [2020-07-28 19:00:01,542 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 226 states. [2020-07-28 19:00:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:01,548 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2020-07-28 19:00:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 297 transitions. [2020-07-28 19:00:01,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:01,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:01,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:01,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-28 19:00:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2020-07-28 19:00:01,553 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2020-07-28 19:00:01,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:01,554 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2020-07-28 19:00:01,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:00:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2020-07-28 19:00:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:00:01,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:01,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:01,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:00:01,556 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:01,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:01,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2020-07-28 19:00:01,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:01,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977180013] [2020-07-28 19:00:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:01,612 INFO L280 TraceCheckUtils]: 0: Hoare triple {6536#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {6538#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,614 INFO L280 TraceCheckUtils]: 2: Hoare triple {6538#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,615 INFO L280 TraceCheckUtils]: 3: Hoare triple {6538#(= 1 ~waterLevel~0)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {6538#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~5; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,616 INFO L280 TraceCheckUtils]: 5: Hoare triple {6538#(= 1 ~waterLevel~0)} ~methAndRunningLastTime~0 := 0; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,617 INFO L280 TraceCheckUtils]: 6: Hoare triple {6538#(= 1 ~waterLevel~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,618 INFO L280 TraceCheckUtils]: 7: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !false; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,618 INFO L280 TraceCheckUtils]: 8: Hoare triple {6538#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,619 INFO L280 TraceCheckUtils]: 9: Hoare triple {6538#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,620 INFO L280 TraceCheckUtils]: 10: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,621 INFO L280 TraceCheckUtils]: 11: Hoare triple {6538#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {6538#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~2; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,622 INFO L280 TraceCheckUtils]: 13: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,623 INFO L280 TraceCheckUtils]: 14: Hoare triple {6538#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,624 INFO L280 TraceCheckUtils]: 15: Hoare triple {6538#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,625 INFO L280 TraceCheckUtils]: 16: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,625 INFO L280 TraceCheckUtils]: 17: Hoare triple {6538#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,626 INFO L280 TraceCheckUtils]: 18: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,627 INFO L280 TraceCheckUtils]: 19: Hoare triple {6538#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {6538#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:01,628 INFO L280 TraceCheckUtils]: 20: Hoare triple {6538#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {6537#false} is VALID [2020-07-28 19:00:01,628 INFO L280 TraceCheckUtils]: 21: Hoare triple {6537#false} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {6537#false} is VALID [2020-07-28 19:00:01,628 INFO L280 TraceCheckUtils]: 22: Hoare triple {6537#false} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {6537#false} is VALID [2020-07-28 19:00:01,629 INFO L280 TraceCheckUtils]: 23: Hoare triple {6537#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {6537#false} is VALID [2020-07-28 19:00:01,629 INFO L280 TraceCheckUtils]: 24: Hoare triple {6537#false} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {6537#false} is VALID [2020-07-28 19:00:01,629 INFO L280 TraceCheckUtils]: 25: Hoare triple {6537#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {6537#false} is VALID [2020-07-28 19:00:01,630 INFO L280 TraceCheckUtils]: 26: Hoare triple {6537#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {6537#false} is VALID [2020-07-28 19:00:01,630 INFO L280 TraceCheckUtils]: 27: Hoare triple {6537#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {6537#false} is VALID [2020-07-28 19:00:01,630 INFO L280 TraceCheckUtils]: 28: Hoare triple {6537#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {6537#false} is VALID [2020-07-28 19:00:01,630 INFO L280 TraceCheckUtils]: 29: Hoare triple {6537#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {6537#false} is VALID [2020-07-28 19:00:01,630 INFO L280 TraceCheckUtils]: 30: Hoare triple {6537#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {6537#false} is VALID [2020-07-28 19:00:01,631 INFO L280 TraceCheckUtils]: 31: Hoare triple {6537#false} assume 0 != ~methAndRunningLastTime~0; {6537#false} is VALID [2020-07-28 19:00:01,631 INFO L280 TraceCheckUtils]: 32: Hoare triple {6537#false} assume !false; {6537#false} is VALID [2020-07-28 19:00:01,632 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 19:00:01,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977180013] [2020-07-28 19:00:01,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:01,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:01,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967923267] [2020-07-28 19:00:01,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:00:01,634 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:01,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:01,680 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:01,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:01,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:01,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:01,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:01,681 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2020-07-28 19:00:02,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,290 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2020-07-28 19:00:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:02,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:00:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 19:00:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 19:00:02,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 159 transitions. [2020-07-28 19:00:02,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:02,482 INFO L225 Difference]: With dead ends: 319 [2020-07-28 19:00:02,482 INFO L226 Difference]: Without dead ends: 188 [2020-07-28 19:00:02,483 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 19:00:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-07-28 19:00:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-07-28 19:00:02,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:02,878 INFO L82 GeneralOperation]: Start isEquivalent. First operand 188 states. Second operand 188 states. [2020-07-28 19:00:02,878 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand 188 states. [2020-07-28 19:00:02,878 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 188 states. [2020-07-28 19:00:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,883 INFO L93 Difference]: Finished difference Result 188 states and 245 transitions. [2020-07-28 19:00:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-07-28 19:00:02,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:02,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:02,884 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand 188 states. [2020-07-28 19:00:02,884 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 188 states. [2020-07-28 19:00:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:02,889 INFO L93 Difference]: Finished difference Result 188 states and 245 transitions. [2020-07-28 19:00:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-07-28 19:00:02,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:02,890 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:02,890 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:02,890 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-28 19:00:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2020-07-28 19:00:02,896 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2020-07-28 19:00:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:02,896 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2020-07-28 19:00:02,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-07-28 19:00:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 19:00:02,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:02,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:02,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:00:02,898 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:02,899 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2020-07-28 19:00:02,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:02,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911868610] [2020-07-28 19:00:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:02,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {7620#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {7620#true} is VALID [2020-07-28 19:00:02,964 INFO L280 TraceCheckUtils]: 1: Hoare triple {7620#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {7620#true} is VALID [2020-07-28 19:00:02,965 INFO L280 TraceCheckUtils]: 2: Hoare triple {7620#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {7620#true} is VALID [2020-07-28 19:00:02,965 INFO L280 TraceCheckUtils]: 3: Hoare triple {7620#true} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {7620#true} is VALID [2020-07-28 19:00:02,965 INFO L280 TraceCheckUtils]: 4: Hoare triple {7620#true} assume 0 != main_~tmp~5; {7620#true} is VALID [2020-07-28 19:00:02,966 INFO L280 TraceCheckUtils]: 5: Hoare triple {7620#true} ~methAndRunningLastTime~0 := 0; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,967 INFO L280 TraceCheckUtils]: 6: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,968 INFO L280 TraceCheckUtils]: 7: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !false; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,968 INFO L280 TraceCheckUtils]: 8: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume test_~splverifierCounter~0 < 4; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,969 INFO L280 TraceCheckUtils]: 9: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,970 INFO L280 TraceCheckUtils]: 10: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp~4; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,971 INFO L280 TraceCheckUtils]: 11: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,971 INFO L280 TraceCheckUtils]: 12: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,972 INFO L280 TraceCheckUtils]: 13: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___0~2; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,973 INFO L280 TraceCheckUtils]: 14: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,974 INFO L280 TraceCheckUtils]: 16: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,975 INFO L280 TraceCheckUtils]: 17: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0); {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,976 INFO L280 TraceCheckUtils]: 18: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,977 INFO L280 TraceCheckUtils]: 19: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,978 INFO L280 TraceCheckUtils]: 20: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,978 INFO L280 TraceCheckUtils]: 21: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,979 INFO L280 TraceCheckUtils]: 22: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,980 INFO L280 TraceCheckUtils]: 23: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,981 INFO L280 TraceCheckUtils]: 24: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,981 INFO L280 TraceCheckUtils]: 25: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,982 INFO L280 TraceCheckUtils]: 26: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,983 INFO L280 TraceCheckUtils]: 27: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,983 INFO L280 TraceCheckUtils]: 28: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,984 INFO L280 TraceCheckUtils]: 29: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,985 INFO L280 TraceCheckUtils]: 30: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,986 INFO L280 TraceCheckUtils]: 31: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {7622#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:02,987 INFO L280 TraceCheckUtils]: 32: Hoare triple {7622#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~methAndRunningLastTime~0; {7621#false} is VALID [2020-07-28 19:00:02,987 INFO L280 TraceCheckUtils]: 33: Hoare triple {7621#false} assume !false; {7621#false} is VALID [2020-07-28 19:00:02,989 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 19:00:02,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911868610] [2020-07-28 19:00:02,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:02,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:02,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704912943] [2020-07-28 19:00:02,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 19:00:02,990 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:02,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:03,038 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:03,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:03,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:03,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:03,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:03,039 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2020-07-28 19:00:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:03,941 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2020-07-28 19:00:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:03,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 19:00:03,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions. [2020-07-28 19:00:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions. [2020-07-28 19:00:03,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 125 transitions. [2020-07-28 19:00:04,113 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:04,121 INFO L225 Difference]: With dead ends: 287 [2020-07-28 19:00:04,121 INFO L226 Difference]: Without dead ends: 285 [2020-07-28 19:00:04,121 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 19:00:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-28 19:00:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2020-07-28 19:00:04,667 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:04,667 INFO L82 GeneralOperation]: Start isEquivalent. First operand 285 states. Second operand 228 states. [2020-07-28 19:00:04,667 INFO L74 IsIncluded]: Start isIncluded. First operand 285 states. Second operand 228 states. [2020-07-28 19:00:04,667 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 228 states. [2020-07-28 19:00:04,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:04,674 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2020-07-28 19:00:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 375 transitions. [2020-07-28 19:00:04,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:04,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:04,676 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand 285 states. [2020-07-28 19:00:04,676 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 285 states. [2020-07-28 19:00:04,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:04,683 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2020-07-28 19:00:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 375 transitions. [2020-07-28 19:00:04,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:04,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:04,685 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:04,685 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-28 19:00:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2020-07-28 19:00:04,691 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2020-07-28 19:00:04,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:04,691 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2020-07-28 19:00:04,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2020-07-28 19:00:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-28 19:00:04,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:04,693 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] [2020-07-28 19:00:04,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:00:04,694 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:04,694 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2020-07-28 19:00:04,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:04,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534863033] [2020-07-28 19:00:04,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:04,792 INFO L280 TraceCheckUtils]: 0: Hoare triple {8911#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {8911#true} is VALID [2020-07-28 19:00:04,793 INFO L280 TraceCheckUtils]: 1: Hoare triple {8911#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {8911#true} is VALID [2020-07-28 19:00:04,793 INFO L280 TraceCheckUtils]: 2: Hoare triple {8911#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {8911#true} is VALID [2020-07-28 19:00:04,793 INFO L280 TraceCheckUtils]: 3: Hoare triple {8911#true} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {8911#true} is VALID [2020-07-28 19:00:04,794 INFO L280 TraceCheckUtils]: 4: Hoare triple {8911#true} assume 0 != main_~tmp~5; {8911#true} is VALID [2020-07-28 19:00:04,794 INFO L280 TraceCheckUtils]: 5: Hoare triple {8911#true} ~methAndRunningLastTime~0 := 0; {8911#true} is VALID [2020-07-28 19:00:04,794 INFO L280 TraceCheckUtils]: 6: Hoare triple {8911#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8911#true} is VALID [2020-07-28 19:00:04,794 INFO L280 TraceCheckUtils]: 7: Hoare triple {8911#true} assume !false; {8911#true} is VALID [2020-07-28 19:00:04,794 INFO L280 TraceCheckUtils]: 8: Hoare triple {8911#true} assume test_~splverifierCounter~0 < 4; {8911#true} is VALID [2020-07-28 19:00:04,795 INFO L280 TraceCheckUtils]: 9: Hoare triple {8911#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {8911#true} is VALID [2020-07-28 19:00:04,795 INFO L280 TraceCheckUtils]: 10: Hoare triple {8911#true} assume 0 != test_~tmp~4; {8911#true} is VALID [2020-07-28 19:00:04,795 INFO L280 TraceCheckUtils]: 11: Hoare triple {8911#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8911#true} is VALID [2020-07-28 19:00:04,795 INFO L280 TraceCheckUtils]: 12: Hoare triple {8911#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {8911#true} is VALID [2020-07-28 19:00:04,795 INFO L280 TraceCheckUtils]: 13: Hoare triple {8911#true} assume 0 != test_~tmp___0~2; {8911#true} is VALID [2020-07-28 19:00:04,797 INFO L280 TraceCheckUtils]: 14: Hoare triple {8911#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,797 INFO L280 TraceCheckUtils]: 15: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,798 INFO L280 TraceCheckUtils]: 16: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,799 INFO L280 TraceCheckUtils]: 17: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,799 INFO L280 TraceCheckUtils]: 18: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,800 INFO L280 TraceCheckUtils]: 19: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,801 INFO L280 TraceCheckUtils]: 20: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,802 INFO L280 TraceCheckUtils]: 21: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,802 INFO L280 TraceCheckUtils]: 22: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,803 INFO L280 TraceCheckUtils]: 23: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,804 INFO L280 TraceCheckUtils]: 24: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,805 INFO L280 TraceCheckUtils]: 25: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,805 INFO L280 TraceCheckUtils]: 26: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,806 INFO L280 TraceCheckUtils]: 27: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,807 INFO L280 TraceCheckUtils]: 28: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,807 INFO L280 TraceCheckUtils]: 29: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,808 INFO L280 TraceCheckUtils]: 30: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,808 INFO L280 TraceCheckUtils]: 31: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,809 INFO L280 TraceCheckUtils]: 32: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,810 INFO L280 TraceCheckUtils]: 33: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !false; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,810 INFO L280 TraceCheckUtils]: 34: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,811 INFO L280 TraceCheckUtils]: 35: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,812 INFO L280 TraceCheckUtils]: 36: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,812 INFO L280 TraceCheckUtils]: 37: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,813 INFO L280 TraceCheckUtils]: 38: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,813 INFO L280 TraceCheckUtils]: 39: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,814 INFO L280 TraceCheckUtils]: 40: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,815 INFO L280 TraceCheckUtils]: 41: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,815 INFO L280 TraceCheckUtils]: 42: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,816 INFO L280 TraceCheckUtils]: 43: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8913#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:04,817 INFO L280 TraceCheckUtils]: 44: Hoare triple {8913#(= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8914#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:00:04,818 INFO L280 TraceCheckUtils]: 45: Hoare triple {8914#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {8915#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 19:00:04,818 INFO L280 TraceCheckUtils]: 46: Hoare triple {8915#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} processEnvironment_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret4 && processEnvironment_#t~ret4 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret4;havoc processEnvironment_#t~ret4; {8916#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:00:04,819 INFO L280 TraceCheckUtils]: 47: Hoare triple {8916#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {8912#false} is VALID [2020-07-28 19:00:04,819 INFO L280 TraceCheckUtils]: 48: Hoare triple {8912#false} assume !(0 == ~pumpRunning~0); {8912#false} is VALID [2020-07-28 19:00:04,819 INFO L280 TraceCheckUtils]: 49: Hoare triple {8912#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8912#false} is VALID [2020-07-28 19:00:04,820 INFO L280 TraceCheckUtils]: 50: Hoare triple {8912#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {8912#false} is VALID [2020-07-28 19:00:04,820 INFO L280 TraceCheckUtils]: 51: Hoare triple {8912#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {8912#false} is VALID [2020-07-28 19:00:04,820 INFO L280 TraceCheckUtils]: 52: Hoare triple {8912#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {8912#false} is VALID [2020-07-28 19:00:04,820 INFO L280 TraceCheckUtils]: 53: Hoare triple {8912#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {8912#false} is VALID [2020-07-28 19:00:04,820 INFO L280 TraceCheckUtils]: 54: Hoare triple {8912#false} assume 0 != ~methAndRunningLastTime~0; {8912#false} is VALID [2020-07-28 19:00:04,821 INFO L280 TraceCheckUtils]: 55: Hoare triple {8912#false} assume !false; {8912#false} is VALID [2020-07-28 19:00:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:00:04,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534863033] [2020-07-28 19:00:04,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:04,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:00:04,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781431782] [2020-07-28 19:00:04,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 19:00:04,827 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:04,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:00:04,891 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:04,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:00:04,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:04,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:00:04,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:00:04,892 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 6 states. [2020-07-28 19:00:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:07,379 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2020-07-28 19:00:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:00:07,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 19:00:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 369 transitions. [2020-07-28 19:00:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 369 transitions. [2020-07-28 19:00:07,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 369 transitions. [2020-07-28 19:00:07,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 369 edges. 369 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:07,860 INFO L225 Difference]: With dead ends: 720 [2020-07-28 19:00:07,860 INFO L226 Difference]: Without dead ends: 499 [2020-07-28 19:00:07,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:00:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-28 19:00:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2020-07-28 19:00:08,294 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:08,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 499 states. Second operand 205 states. [2020-07-28 19:00:08,295 INFO L74 IsIncluded]: Start isIncluded. First operand 499 states. Second operand 205 states. [2020-07-28 19:00:08,295 INFO L87 Difference]: Start difference. First operand 499 states. Second operand 205 states. [2020-07-28 19:00:08,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,312 INFO L93 Difference]: Finished difference Result 499 states and 661 transitions. [2020-07-28 19:00:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 661 transitions. [2020-07-28 19:00:08,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,314 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,314 INFO L74 IsIncluded]: Start isIncluded. First operand 205 states. Second operand 499 states. [2020-07-28 19:00:08,314 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 499 states. [2020-07-28 19:00:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,330 INFO L93 Difference]: Finished difference Result 499 states and 661 transitions. [2020-07-28 19:00:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 661 transitions. [2020-07-28 19:00:08,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,332 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:08,332 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-07-28 19:00:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2020-07-28 19:00:08,337 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2020-07-28 19:00:08,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:08,337 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2020-07-28 19:00:08,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:00:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2020-07-28 19:00:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-28 19:00:08,339 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:08,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:08,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:00:08,340 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:08,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:08,340 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2020-07-28 19:00:08,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:08,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312055117] [2020-07-28 19:00:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:08,420 INFO L280 TraceCheckUtils]: 0: Hoare triple {11223#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {11223#true} is VALID [2020-07-28 19:00:08,420 INFO L280 TraceCheckUtils]: 1: Hoare triple {11223#true} havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; {11223#true} is VALID [2020-07-28 19:00:08,422 INFO L280 TraceCheckUtils]: 2: Hoare triple {11223#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {11225#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:00:08,423 INFO L280 TraceCheckUtils]: 3: Hoare triple {11225#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret27 := valid_product_#res;assume -2147483648 <= main_#t~ret27 && main_#t~ret27 <= 2147483647;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; {11226#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 19:00:08,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {11226#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {11223#true} is VALID [2020-07-28 19:00:08,423 INFO L280 TraceCheckUtils]: 5: Hoare triple {11223#true} ~methAndRunningLastTime~0 := 0; {11223#true} is VALID [2020-07-28 19:00:08,424 INFO L280 TraceCheckUtils]: 6: Hoare triple {11223#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11223#true} is VALID [2020-07-28 19:00:08,424 INFO L280 TraceCheckUtils]: 7: Hoare triple {11223#true} assume !false; {11223#true} is VALID [2020-07-28 19:00:08,424 INFO L280 TraceCheckUtils]: 8: Hoare triple {11223#true} assume test_~splverifierCounter~0 < 4; {11223#true} is VALID [2020-07-28 19:00:08,425 INFO L280 TraceCheckUtils]: 9: Hoare triple {11223#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {11223#true} is VALID [2020-07-28 19:00:08,425 INFO L280 TraceCheckUtils]: 10: Hoare triple {11223#true} assume 0 != test_~tmp~4; {11223#true} is VALID [2020-07-28 19:00:08,425 INFO L280 TraceCheckUtils]: 11: Hoare triple {11223#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11223#true} is VALID [2020-07-28 19:00:08,425 INFO L280 TraceCheckUtils]: 12: Hoare triple {11223#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {11223#true} is VALID [2020-07-28 19:00:08,426 INFO L280 TraceCheckUtils]: 13: Hoare triple {11223#true} assume 0 != test_~tmp___0~2; {11223#true} is VALID [2020-07-28 19:00:08,426 INFO L280 TraceCheckUtils]: 14: Hoare triple {11223#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11223#true} is VALID [2020-07-28 19:00:08,426 INFO L280 TraceCheckUtils]: 15: Hoare triple {11223#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {11223#true} is VALID [2020-07-28 19:00:08,427 INFO L280 TraceCheckUtils]: 16: Hoare triple {11223#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11223#true} is VALID [2020-07-28 19:00:08,427 INFO L280 TraceCheckUtils]: 17: Hoare triple {11223#true} assume !(0 != ~pumpRunning~0); {11223#true} is VALID [2020-07-28 19:00:08,427 INFO L280 TraceCheckUtils]: 18: Hoare triple {11223#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11223#true} is VALID [2020-07-28 19:00:08,427 INFO L280 TraceCheckUtils]: 19: Hoare triple {11223#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11223#true} is VALID [2020-07-28 19:00:08,428 INFO L280 TraceCheckUtils]: 20: Hoare triple {11223#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {11223#true} is VALID [2020-07-28 19:00:08,428 INFO L280 TraceCheckUtils]: 21: Hoare triple {11223#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {11223#true} is VALID [2020-07-28 19:00:08,428 INFO L280 TraceCheckUtils]: 22: Hoare triple {11223#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {11223#true} is VALID [2020-07-28 19:00:08,428 INFO L280 TraceCheckUtils]: 23: Hoare triple {11223#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {11223#true} is VALID [2020-07-28 19:00:08,429 INFO L280 TraceCheckUtils]: 24: Hoare triple {11223#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {11223#true} is VALID [2020-07-28 19:00:08,429 INFO L280 TraceCheckUtils]: 25: Hoare triple {11223#true} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {11223#true} is VALID [2020-07-28 19:00:08,431 INFO L280 TraceCheckUtils]: 26: Hoare triple {11223#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,432 INFO L280 TraceCheckUtils]: 27: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,434 INFO L280 TraceCheckUtils]: 28: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,434 INFO L280 TraceCheckUtils]: 29: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,435 INFO L280 TraceCheckUtils]: 30: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,436 INFO L280 TraceCheckUtils]: 31: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,436 INFO L280 TraceCheckUtils]: 32: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,437 INFO L280 TraceCheckUtils]: 33: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume !false; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,438 INFO L280 TraceCheckUtils]: 34: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume test_~splverifierCounter~0 < 4; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,439 INFO L280 TraceCheckUtils]: 35: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,440 INFO L280 TraceCheckUtils]: 36: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp~4); {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,445 INFO L280 TraceCheckUtils]: 37: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,446 INFO L280 TraceCheckUtils]: 38: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp___0~2); {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,446 INFO L280 TraceCheckUtils]: 39: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,447 INFO L280 TraceCheckUtils]: 40: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11227#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:08,448 INFO L280 TraceCheckUtils]: 41: Hoare triple {11227#(not (= 0 ~pumpRunning~0))} assume !(0 != ~pumpRunning~0); {11224#false} is VALID [2020-07-28 19:00:08,448 INFO L280 TraceCheckUtils]: 42: Hoare triple {11224#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11224#false} is VALID [2020-07-28 19:00:08,448 INFO L280 TraceCheckUtils]: 43: Hoare triple {11224#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11224#false} is VALID [2020-07-28 19:00:08,448 INFO L280 TraceCheckUtils]: 44: Hoare triple {11224#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {11224#false} is VALID [2020-07-28 19:00:08,448 INFO L280 TraceCheckUtils]: 45: Hoare triple {11224#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {11224#false} is VALID [2020-07-28 19:00:08,449 INFO L280 TraceCheckUtils]: 46: Hoare triple {11224#false} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {11224#false} is VALID [2020-07-28 19:00:08,449 INFO L280 TraceCheckUtils]: 47: Hoare triple {11224#false} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {11224#false} is VALID [2020-07-28 19:00:08,449 INFO L280 TraceCheckUtils]: 48: Hoare triple {11224#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {11224#false} is VALID [2020-07-28 19:00:08,450 INFO L280 TraceCheckUtils]: 49: Hoare triple {11224#false} processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret3 && processEnvironment__wrappee__highWaterSensor_#t~ret3 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; {11224#false} is VALID [2020-07-28 19:00:08,450 INFO L280 TraceCheckUtils]: 50: Hoare triple {11224#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {11224#false} is VALID [2020-07-28 19:00:08,450 INFO L280 TraceCheckUtils]: 51: Hoare triple {11224#false} havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {11224#false} is VALID [2020-07-28 19:00:08,450 INFO L280 TraceCheckUtils]: 52: Hoare triple {11224#false} __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret0 && __utac_acc__Specification2_spec__2_#t~ret0 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; {11224#false} is VALID [2020-07-28 19:00:08,450 INFO L280 TraceCheckUtils]: 53: Hoare triple {11224#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {11224#false} is VALID [2020-07-28 19:00:08,451 INFO L280 TraceCheckUtils]: 54: Hoare triple {11224#false} __utac_acc__Specification2_spec__2_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret1 && __utac_acc__Specification2_spec__2_#t~ret1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {11224#false} is VALID [2020-07-28 19:00:08,451 INFO L280 TraceCheckUtils]: 55: Hoare triple {11224#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {11224#false} is VALID [2020-07-28 19:00:08,451 INFO L280 TraceCheckUtils]: 56: Hoare triple {11224#false} assume 0 != ~methAndRunningLastTime~0; {11224#false} is VALID [2020-07-28 19:00:08,451 INFO L280 TraceCheckUtils]: 57: Hoare triple {11224#false} assume !false; {11224#false} is VALID [2020-07-28 19:00:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:08,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312055117] [2020-07-28 19:00:08,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:08,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:08,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824589285] [2020-07-28 19:00:08,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-07-28 19:00:08,457 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:08,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:08,524 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 19:00:08,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:08,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:08,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:08,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:08,525 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 5 states. [2020-07-28 19:00:09,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,357 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2020-07-28 19:00:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:00:09,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-07-28 19:00:09,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2020-07-28 19:00:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2020-07-28 19:00:09,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 140 transitions. [2020-07-28 19:00:09,537 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:09,538 INFO L225 Difference]: With dead ends: 325 [2020-07-28 19:00:09,538 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:00:09,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 19:00:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:00:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:00:09,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:09,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:09,540 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:09,540 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,540 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:09,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:09,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:09,541 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:09,541 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,541 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:09,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:09,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:09,542 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:09,542 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:00:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:00:09,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-07-28 19:00:09,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:09,543 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:00:09,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:09,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:09,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:00:09,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:00:09,931 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 103 [2020-07-28 19:00:10,059 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 106 [2020-07-28 19:00:10,418 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 104 [2020-07-28 19:00:10,837 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2020-07-28 19:00:11,090 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2020-07-28 19:00:11,306 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-28 19:00:11,670 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 30 [2020-07-28 19:00:12,038 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2020-07-28 19:00:12,394 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 30 [2020-07-28 19:00:12,545 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-07-28 19:00:12,768 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-07-28 19:00:13,286 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 28 [2020-07-28 19:00:13,648 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2020-07-28 19:00:13,669 INFO L264 CegarLoopResult]: At program point L68-3(lines 1 948) the Hoare annotation is: false [2020-07-28 19:00:13,670 INFO L268 CegarLoopResult]: For program point L68-4(lines 68 85) no Hoare annotation was computed. [2020-07-28 19:00:13,670 INFO L264 CegarLoopResult]: At program point L68-5(lines 1 948) the Hoare annotation is: false [2020-07-28 19:00:13,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,670 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:13,670 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:13,670 INFO L268 CegarLoopResult]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533(lines 528 536) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse1 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4))) [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533-1(lines 528 536) the Hoare annotation is: (let ((.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 0 ~methaneLevelCritical~0) .cse1 .cse4 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~pumpRunning~0) .cse5))) [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2020-07-28 19:00:13,671 INFO L264 CegarLoopResult]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2020-07-28 19:00:13,671 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-28 19:00:13,671 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,671 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L72-2(lines 72 82) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,672 INFO L268 CegarLoopResult]: For program point L72-4(lines 72 82) no Hoare annotation was computed. [2020-07-28 19:00:13,673 INFO L268 CegarLoopResult]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,673 INFO L268 CegarLoopResult]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,673 INFO L268 CegarLoopResult]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,673 INFO L268 CegarLoopResult]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2020-07-28 19:00:13,673 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L264 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: false [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L205-1(lines 205 213) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2020-07-28 19:00:13,674 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-28 19:00:13,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,675 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-28 19:00:13,675 INFO L264 CegarLoopResult]: At program point L373-2(lines 143 149) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse6 .cse3 .cse2 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse7 .cse1 .cse6 .cse3 .cse2 .cse5))) [2020-07-28 19:00:13,675 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L175-2(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L175-3(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L175-4(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L175-5(lines 175 192) no Hoare annotation was computed. [2020-07-28 19:00:13,676 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-28 19:00:13,677 INFO L268 CegarLoopResult]: For program point L407-1(lines 143 149) no Hoare annotation was computed. [2020-07-28 19:00:13,677 INFO L264 CegarLoopResult]: At program point L143(lines 142 161) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~pumpRunning~0)) .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse2 .cse4) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:00:13,677 INFO L268 CegarLoopResult]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2020-07-28 19:00:13,677 INFO L264 CegarLoopResult]: At program point L143-2(lines 142 161) the Hoare annotation is: false [2020-07-28 19:00:13,677 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,678 INFO L264 CegarLoopResult]: At program point L143-3(lines 142 161) the Hoare annotation is: false [2020-07-28 19:00:13,678 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,678 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,678 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,678 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,678 INFO L268 CegarLoopResult]: For program point L573-2(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,679 INFO L268 CegarLoopResult]: For program point L573-3(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,679 INFO L268 CegarLoopResult]: For program point L573-4(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,679 INFO L268 CegarLoopResult]: For program point L573-5(lines 573 579) no Hoare annotation was computed. [2020-07-28 19:00:13,679 INFO L264 CegarLoopResult]: At program point L309(lines 294 312) the Hoare annotation is: false [2020-07-28 19:00:13,679 INFO L264 CegarLoopResult]: At program point L309-1(lines 294 312) the Hoare annotation is: (let ((.cse1 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse5) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse2 .cse4 .cse5))) [2020-07-28 19:00:13,680 INFO L264 CegarLoopResult]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2020-07-28 19:00:13,680 INFO L264 CegarLoopResult]: At program point L309-3(lines 294 312) the Hoare annotation is: false [2020-07-28 19:00:13,680 INFO L264 CegarLoopResult]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2020-07-28 19:00:13,680 INFO L264 CegarLoopResult]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2020-07-28 19:00:13,680 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-28 19:00:13,680 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-28 19:00:13,681 INFO L271 CegarLoopResult]: At program point L475-1(lines 475 482) the Hoare annotation is: true [2020-07-28 19:00:13,681 INFO L264 CegarLoopResult]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse2 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse3 .cse4))) [2020-07-28 19:00:13,681 INFO L264 CegarLoopResult]: At program point L245-1(lines 238 248) the Hoare annotation is: false [2020-07-28 19:00:13,681 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,681 INFO L264 CegarLoopResult]: At program point L245-2(lines 238 248) the Hoare annotation is: false [2020-07-28 19:00:13,681 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,682 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,682 INFO L268 CegarLoopResult]: For program point L179-3(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,682 INFO L268 CegarLoopResult]: For program point L179-4(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,682 INFO L268 CegarLoopResult]: For program point L179-5(lines 179 187) no Hoare annotation was computed. [2020-07-28 19:00:13,682 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-28 19:00:13,683 INFO L264 CegarLoopResult]: At program point L345-1(lines 345 351) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) .cse6) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5 .cse6) (and .cse7 .cse8 .cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse4 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse6))) [2020-07-28 19:00:13,683 INFO L264 CegarLoopResult]: At program point L115(lines 1 948) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:00:13,683 INFO L264 CegarLoopResult]: At program point L578(lines 569 582) the Hoare annotation is: false [2020-07-28 19:00:13,683 INFO L264 CegarLoopResult]: At program point L578-1(lines 569 582) the Hoare annotation is: (let ((.cse1 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse5) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse2 .cse4 .cse5))) [2020-07-28 19:00:13,684 INFO L264 CegarLoopResult]: At program point L578-2(lines 569 582) the Hoare annotation is: false [2020-07-28 19:00:13,684 INFO L264 CegarLoopResult]: At program point L578-3(lines 569 582) the Hoare annotation is: false [2020-07-28 19:00:13,684 INFO L264 CegarLoopResult]: At program point L578-4(lines 569 582) the Hoare annotation is: false [2020-07-28 19:00:13,684 INFO L264 CegarLoopResult]: At program point L578-5(lines 569 582) the Hoare annotation is: false [2020-07-28 19:00:13,684 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse1 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~pumpRunning~0) .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse2 .cse4))) [2020-07-28 19:00:13,685 INFO L264 CegarLoopResult]: At program point L150-1(lines 150 156) the Hoare annotation is: false [2020-07-28 19:00:13,685 INFO L264 CegarLoopResult]: At program point L150-2(lines 150 156) the Hoare annotation is: false [2020-07-28 19:00:13,685 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: false [2020-07-28 19:00:13,685 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:00:13,685 INFO L271 CegarLoopResult]: At program point L484(lines 465 487) the Hoare annotation is: true [2020-07-28 19:00:13,686 INFO L264 CegarLoopResult]: At program point L451(lines 447 453) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~5)) [2020-07-28 19:00:13,686 INFO L264 CegarLoopResult]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse6) (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse4 .cse3 (not .cse5) .cse6))) [2020-07-28 19:00:13,686 INFO L264 CegarLoopResult]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2020-07-28 19:00:13,686 INFO L264 CegarLoopResult]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2020-07-28 19:00:13,686 INFO L264 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:00:13,687 INFO L264 CegarLoopResult]: At program point L57(lines 52 59) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~5)) [2020-07-28 19:00:13,687 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:13,687 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-28 19:00:13,687 INFO L264 CegarLoopResult]: At program point L355-1(lines 355 361) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse6 .cse3 .cse2 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse7 .cse1 .cse6 .cse3 .cse2 .cse5))) [2020-07-28 19:00:13,687 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2020-07-28 19:00:13,688 INFO L268 CegarLoopResult]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2020-07-28 19:00:13,689 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-28 19:00:13,689 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-28 19:00:13,689 INFO L264 CegarLoopResult]: At program point L68-1(lines 1 948) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) .cse6) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5 .cse6) (and .cse7 .cse8 .cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse4 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse6))) [2020-07-28 19:00:13,689 INFO L268 CegarLoopResult]: For program point L68-2(lines 68 85) no Hoare annotation was computed. [2020-07-28 19:00:13,694 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:00:13,695 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:00:13,701 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 19:00:13,702 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 19:00:13,702 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 19:00:13,707 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L143-1 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L143-1 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L143-1 has no Hoare annotation [2020-07-28 19:00:13,709 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L496-3 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L496-3 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-28 19:00:13,710 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L175-3 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L175-3 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L68-2 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L205-1 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L573-3 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L573-3 has no Hoare annotation [2020-07-28 19:00:13,711 WARN L170 areAnnotationChecker]: L68-2 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L68-2 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L205-1 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L205-1 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L303-9 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 19:00:13,712 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L175-2 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L175-2 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L303-9 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L303-9 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:00:13,713 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L573-2 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L573-2 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L303-11 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-28 19:00:13,715 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:00:13,716 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:00:13,716 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:00:13,716 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:13,717 WARN L170 areAnnotationChecker]: L303-6 has no Hoare annotation [2020-07-28 19:00:13,717 WARN L170 areAnnotationChecker]: L179-3 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L407 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L407 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:13,718 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:13,720 WARN L170 areAnnotationChecker]: L303-6 has no Hoare annotation [2020-07-28 19:00:13,720 WARN L170 areAnnotationChecker]: L303-6 has no Hoare annotation [2020-07-28 19:00:13,720 WARN L170 areAnnotationChecker]: L179-3 has no Hoare annotation [2020-07-28 19:00:13,720 WARN L170 areAnnotationChecker]: L179-3 has no Hoare annotation [2020-07-28 19:00:13,720 WARN L170 areAnnotationChecker]: L407-1 has no Hoare annotation [2020-07-28 19:00:13,721 WARN L170 areAnnotationChecker]: L407-1 has no Hoare annotation [2020-07-28 19:00:13,722 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2020-07-28 19:00:13,722 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L303-8 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L496-6 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L496-6 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:13,723 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L179-2 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L303-3 has no Hoare annotation [2020-07-28 19:00:13,724 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L179-2 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L179-2 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L175-5 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L175-5 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L68-4 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L303-3 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L303-3 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 19:00:13,725 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L573-5 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L573-5 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L68-4 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L68-4 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-28 19:00:13,726 WARN L170 areAnnotationChecker]: L303-5 has no Hoare annotation [2020-07-28 19:00:13,727 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:00:13,727 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L303-15 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-28 19:00:13,728 WARN L170 areAnnotationChecker]: L179-1 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L175-4 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L175-4 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L303-15 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L303-15 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-28 19:00:13,729 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L179-1 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L179-1 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L573-4 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L573-4 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L303-17 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L73-4 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L73-4 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L303-2 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L303-12 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L179-5 has no Hoare annotation [2020-07-28 19:00:13,730 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L303-12 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L303-12 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L179-5 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L179-5 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 19:00:13,731 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 19:00:13,732 WARN L170 areAnnotationChecker]: L303-14 has no Hoare annotation [2020-07-28 19:00:13,732 WARN L170 areAnnotationChecker]: L179-4 has no Hoare annotation [2020-07-28 19:00:13,733 WARN L170 areAnnotationChecker]: L179-4 has no Hoare annotation [2020-07-28 19:00:13,733 WARN L170 areAnnotationChecker]: L179-4 has no Hoare annotation [2020-07-28 19:00:13,733 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:00:13,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:00:13 BoogieIcfgContainer [2020-07-28 19:00:13,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:00:13,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:00:13,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:00:13,806 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:00:13,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:50" (3/4) ... [2020-07-28 19:00:13,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:00:13,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:00:13,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:00:13,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:00:13,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:00:13,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:00:13,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:13,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:13,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:00:13,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:00:13,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:00:13,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp)) || (((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp)) || (((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:00:13,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:00:13,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp) [2020-07-28 19:00:13,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp) || (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 <= \result) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) [2020-07-28 19:00:13,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && !(0 == \result)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:00:13,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) || (((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) [2020-07-28 19:00:13,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == tmp) && 0 == splverifierCounter) && 0 == tmp___0) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:00:14,006 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:00:14,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:00:14,008 INFO L168 Benchmark]: Toolchain (without parser) took 26635.08 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 529.0 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 363.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,009 INFO L168 Benchmark]: CDTParser took 0.82 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 19:00:14,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:00:14,010 INFO L168 Benchmark]: Boogie Preprocessor took 101.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,011 INFO L168 Benchmark]: RCFGBuilder took 1782.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 171.1 MB). Peak memory consumption was 171.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,011 INFO L168 Benchmark]: TraceAbstraction took 23709.14 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 188.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,011 INFO L168 Benchmark]: Witness Printer took 201.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:14,014 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 0.82 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 725.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1782.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 171.1 MB). Peak memory consumption was 171.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23709.14 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 188.2 MB. Max. memory is 11.5 GB. * Witness Printer took 201.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp)) || (((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) || (((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((((((((!(0 == tmp) && 0 == splverifierCounter) && 0 == tmp___0) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && !(0 == \result)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp) || (((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 <= \result) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 0 == pumpRunning) && 1 == tmp)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && !(0 == pumpRunning)) && 1 == tmp) || ((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp)) || (((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 1 == tmp)) || ((((((1 == \result && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.3s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1094 SDtfs, 1537 SDslu, 1615 SDs, 0 SdLazy, 231 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 855 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 961 HoareAnnotationTreeSize, 44 FomulaSimplifications, 202781 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 44 FomulaSimplificationsInter, 38744 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 28980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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...