./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_product50.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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:00:02,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:00:02,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:00:02,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:00:02,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:00:02,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:00:02,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:00:02,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:00:02,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:00:02,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:00:02,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:00:02,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:00:02,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:00:02,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:00:02,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:00:02,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:00:02,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:00:02,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:00:02,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:00:02,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:00:02,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:00:02,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:00:02,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:00:02,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:00:02,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:00:02,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:00:02,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:00:02,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:00:02,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:00:02,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:00:02,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:00:02,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:00:02,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:00:02,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:00:02,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:00:02,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:00:02,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:00:02,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:00:02,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:00:02,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:00:02,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:00:02,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:00:03,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:00:03,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:00:03,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:00:03,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:00:03,019 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:00:03,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:00:03,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:00:03,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:00:03,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:00:03,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:00:03,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:00:03,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:00:03,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:00:03,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:00:03,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:00:03,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:00:03,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:00:03,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:00:03,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:00:03,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:00:03,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:00:03,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:00:03,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:00:03,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:00:03,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:00:03,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:00:03,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:00:03,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:00:03,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:00:03,027 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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2020-07-28 19:00:03,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:00:03,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:00:03,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:00:03,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:00:03,365 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:00:03,369 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-07-28 19:00:03,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506ae9110/bee43d6a7ad142b38f9669d153a2cc66/FLAG88334f0ed [2020-07-28 19:00:03,994 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:00:03,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-07-28 19:00:04,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506ae9110/bee43d6a7ad142b38f9669d153a2cc66/FLAG88334f0ed [2020-07-28 19:00:04,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506ae9110/bee43d6a7ad142b38f9669d153a2cc66 [2020-07-28 19:00:04,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:00:04,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:00:04,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:00:04,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:00:04,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:00:04,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:00:04" (1/1) ... [2020-07-28 19:00:04,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d96afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:04, skipping insertion in model container [2020-07-28 19:00:04,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:00:04" (1/1) ... [2020-07-28 19:00:04,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:00:04,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:00:04,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:00:04,916 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:00:05,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:00:05,038 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:00:05,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05 WrapperNode [2020-07-28 19:00:05,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:00:05,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:00:05,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:00:05,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:00:05,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:00:05,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:00:05,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:00:05,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:00:05,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... [2020-07-28 19:00:05,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:00:05,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:00:05,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:00:05,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:00:05,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:00:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:00:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:00:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:00:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:00:06,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:00:06,797 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 19:00:06,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:06 BoogieIcfgContainer [2020-07-28 19:00:06,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:00:06,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:00:06,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:00:06,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:00:06,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:00:04" (1/3) ... [2020-07-28 19:00:06,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d59edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:00:06, skipping insertion in model container [2020-07-28 19:00:06,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:05" (2/3) ... [2020-07-28 19:00:06,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d59edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:00:06, skipping insertion in model container [2020-07-28 19:00:06,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:06" (3/3) ... [2020-07-28 19:00:06,815 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-07-28 19:00:06,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:00:06,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:00:06,851 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:00:06,879 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:00:06,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:00:06,880 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:00:06,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:00:06,881 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:00:06,881 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:00:06,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:00:06,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:00:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-07-28 19:00:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:00:06,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:06,914 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 19:00:06,915 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:06,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2020-07-28 19:00:06,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:06,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476845661] [2020-07-28 19:00:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:07,261 INFO L280 TraceCheckUtils]: 0: Hoare triple {124#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {124#true} is VALID [2020-07-28 19:00:07,262 INFO L280 TraceCheckUtils]: 1: Hoare triple {124#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {124#true} is VALID [2020-07-28 19:00:07,263 INFO L280 TraceCheckUtils]: 2: Hoare triple {124#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; {124#true} is VALID [2020-07-28 19:00:07,264 INFO L280 TraceCheckUtils]: 3: Hoare triple {124#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {124#true} is VALID [2020-07-28 19:00:07,264 INFO L280 TraceCheckUtils]: 4: Hoare triple {124#true} assume 0 != main_~tmp~0; {124#true} is VALID [2020-07-28 19:00:07,264 INFO L280 TraceCheckUtils]: 5: Hoare triple {124#true} ~methAndRunningLastTime~0 := 0; {124#true} is VALID [2020-07-28 19:00:07,265 INFO L280 TraceCheckUtils]: 6: Hoare triple {124#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {124#true} is VALID [2020-07-28 19:00:07,266 INFO L280 TraceCheckUtils]: 7: Hoare triple {124#true} assume !true; {125#false} is VALID [2020-07-28 19:00:07,267 INFO L280 TraceCheckUtils]: 8: Hoare triple {125#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {125#false} is VALID [2020-07-28 19:00:07,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {125#false} assume !(0 != ~pumpRunning~0); {125#false} is VALID [2020-07-28 19:00:07,268 INFO L280 TraceCheckUtils]: 10: Hoare triple {125#false} assume !(0 != ~systemActive~0); {125#false} is VALID [2020-07-28 19:00:07,268 INFO L280 TraceCheckUtils]: 11: Hoare triple {125#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {125#false} is VALID [2020-07-28 19:00:07,269 INFO L280 TraceCheckUtils]: 12: Hoare triple {125#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {125#false} is VALID [2020-07-28 19:00:07,269 INFO L280 TraceCheckUtils]: 13: Hoare triple {125#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {125#false} is VALID [2020-07-28 19:00:07,270 INFO L280 TraceCheckUtils]: 14: Hoare triple {125#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {125#false} is VALID [2020-07-28 19:00:07,271 INFO L280 TraceCheckUtils]: 15: Hoare triple {125#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {125#false} is VALID [2020-07-28 19:00:07,271 INFO L280 TraceCheckUtils]: 16: Hoare triple {125#false} assume 0 != ~methAndRunningLastTime~0; {125#false} is VALID [2020-07-28 19:00:07,271 INFO L280 TraceCheckUtils]: 17: Hoare triple {125#false} assume !false; {125#false} is VALID [2020-07-28 19:00:07,276 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 19:00:07,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476845661] [2020-07-28 19:00:07,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:07,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:07,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101708131] [2020-07-28 19:00:07,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:00:07,288 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:07,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:00:07,337 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 19:00:07,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:00:07,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:07,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:00:07,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:00:07,350 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-07-28 19:00:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:07,648 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2020-07-28 19:00:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:00:07,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:00:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:00:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 360 transitions. [2020-07-28 19:00:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:00:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 360 transitions. [2020-07-28 19:00:07,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 360 transitions. [2020-07-28 19:00:08,153 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:08,187 INFO L225 Difference]: With dead ends: 235 [2020-07-28 19:00:08,187 INFO L226 Difference]: Without dead ends: 117 [2020-07-28 19:00:08,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:00:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-28 19:00:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-28 19:00:08,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:08,270 INFO L82 GeneralOperation]: Start isEquivalent. First operand 117 states. Second operand 117 states. [2020-07-28 19:00:08,271 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand 117 states. [2020-07-28 19:00:08,271 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 117 states. [2020-07-28 19:00:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,280 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-07-28 19:00:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-07-28 19:00:08,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,281 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand 117 states. [2020-07-28 19:00:08,282 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 117 states. [2020-07-28 19:00:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,290 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-07-28 19:00:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-07-28 19:00:08,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:08,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-28 19:00:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-07-28 19:00:08,300 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-07-28 19:00:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:08,301 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-07-28 19:00:08,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:00:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-07-28 19:00:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:00:08,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:08,302 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 19:00:08,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:00:08,303 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:08,303 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2020-07-28 19:00:08,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:08,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732607954] [2020-07-28 19:00:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:08,476 INFO L280 TraceCheckUtils]: 0: Hoare triple {840#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {840#true} is VALID [2020-07-28 19:00:08,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {840#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {840#true} is VALID [2020-07-28 19:00:08,477 INFO L280 TraceCheckUtils]: 2: Hoare triple {840#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; {840#true} is VALID [2020-07-28 19:00:08,477 INFO L280 TraceCheckUtils]: 3: Hoare triple {840#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {840#true} is VALID [2020-07-28 19:00:08,478 INFO L280 TraceCheckUtils]: 4: Hoare triple {840#true} assume 0 != main_~tmp~0; {840#true} is VALID [2020-07-28 19:00:08,478 INFO L280 TraceCheckUtils]: 5: Hoare triple {840#true} ~methAndRunningLastTime~0 := 0; {840#true} is VALID [2020-07-28 19:00:08,481 INFO L280 TraceCheckUtils]: 6: Hoare triple {840#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {842#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:00:08,482 INFO L280 TraceCheckUtils]: 7: Hoare triple {842#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {842#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:00:08,483 INFO L280 TraceCheckUtils]: 8: Hoare triple {842#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {841#false} is VALID [2020-07-28 19:00:08,484 INFO L280 TraceCheckUtils]: 9: Hoare triple {841#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {841#false} is VALID [2020-07-28 19:00:08,484 INFO L280 TraceCheckUtils]: 10: Hoare triple {841#false} assume !(0 != ~pumpRunning~0); {841#false} is VALID [2020-07-28 19:00:08,484 INFO L280 TraceCheckUtils]: 11: Hoare triple {841#false} assume !(0 != ~systemActive~0); {841#false} is VALID [2020-07-28 19:00:08,485 INFO L280 TraceCheckUtils]: 12: Hoare triple {841#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {841#false} is VALID [2020-07-28 19:00:08,485 INFO L280 TraceCheckUtils]: 13: Hoare triple {841#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {841#false} is VALID [2020-07-28 19:00:08,486 INFO L280 TraceCheckUtils]: 14: Hoare triple {841#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {841#false} is VALID [2020-07-28 19:00:08,487 INFO L280 TraceCheckUtils]: 15: Hoare triple {841#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {841#false} is VALID [2020-07-28 19:00:08,487 INFO L280 TraceCheckUtils]: 16: Hoare triple {841#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {841#false} is VALID [2020-07-28 19:00:08,487 INFO L280 TraceCheckUtils]: 17: Hoare triple {841#false} assume 0 != ~methAndRunningLastTime~0; {841#false} is VALID [2020-07-28 19:00:08,488 INFO L280 TraceCheckUtils]: 18: Hoare triple {841#false} assume !false; {841#false} is VALID [2020-07-28 19:00:08,490 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 19:00:08,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732607954] [2020-07-28 19:00:08,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:08,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:08,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182998241] [2020-07-28 19:00:08,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:00:08,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:08,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:08,537 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 19:00:08,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:08,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:08,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:08,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:08,540 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-07-28 19:00:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,749 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-07-28 19:00:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:08,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:00:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2020-07-28 19:00:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2020-07-28 19:00:08,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 172 transitions. [2020-07-28 19:00:08,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:08,946 INFO L225 Difference]: With dead ends: 117 [2020-07-28 19:00:08,946 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 19:00:08,948 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 19:00:08,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 19:00:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-07-28 19:00:08,968 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:08,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:08,968 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:08,968 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,971 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:00:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:00:08,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,973 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:08,973 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:08,975 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:00:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:00:08,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:08,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:08,977 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:08,977 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-28 19:00:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-07-28 19:00:08,980 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-07-28 19:00:08,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:08,980 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-07-28 19:00:08,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:00:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:00:08,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:08,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:08,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:00:08,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:08,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:08,983 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-07-28 19:00:08,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:08,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390763550] [2020-07-28 19:00:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:09,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {1169#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1169#true} is VALID [2020-07-28 19:00:09,093 INFO L280 TraceCheckUtils]: 1: Hoare triple {1169#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {1169#true} is VALID [2020-07-28 19:00:09,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {1169#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; {1169#true} is VALID [2020-07-28 19:00:09,094 INFO L280 TraceCheckUtils]: 3: Hoare triple {1169#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {1169#true} is VALID [2020-07-28 19:00:09,094 INFO L280 TraceCheckUtils]: 4: Hoare triple {1169#true} assume 0 != main_~tmp~0; {1169#true} is VALID [2020-07-28 19:00:09,094 INFO L280 TraceCheckUtils]: 5: Hoare triple {1169#true} ~methAndRunningLastTime~0 := 0; {1169#true} is VALID [2020-07-28 19:00:09,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {1169#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1169#true} is VALID [2020-07-28 19:00:09,095 INFO L280 TraceCheckUtils]: 7: Hoare triple {1169#true} assume !false; {1169#true} is VALID [2020-07-28 19:00:09,095 INFO L280 TraceCheckUtils]: 8: Hoare triple {1169#true} assume test_~splverifierCounter~0 < 4; {1169#true} is VALID [2020-07-28 19:00:09,095 INFO L280 TraceCheckUtils]: 9: Hoare triple {1169#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {1169#true} is VALID [2020-07-28 19:00:09,096 INFO L280 TraceCheckUtils]: 10: Hoare triple {1169#true} assume !(0 != test_~tmp~6); {1169#true} is VALID [2020-07-28 19:00:09,096 INFO L280 TraceCheckUtils]: 11: Hoare triple {1169#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1169#true} is VALID [2020-07-28 19:00:09,097 INFO L280 TraceCheckUtils]: 12: Hoare triple {1169#true} assume !(0 != test_~tmp___0~3); {1169#true} is VALID [2020-07-28 19:00:09,097 INFO L280 TraceCheckUtils]: 13: Hoare triple {1169#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1169#true} is VALID [2020-07-28 19:00:09,098 INFO L280 TraceCheckUtils]: 14: Hoare triple {1169#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1171#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:09,099 INFO L280 TraceCheckUtils]: 15: Hoare triple {1171#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1171#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:09,100 INFO L280 TraceCheckUtils]: 16: Hoare triple {1171#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1170#false} is VALID [2020-07-28 19:00:09,100 INFO L280 TraceCheckUtils]: 17: Hoare triple {1170#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1170#false} is VALID [2020-07-28 19:00:09,100 INFO L280 TraceCheckUtils]: 18: Hoare triple {1170#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {1170#false} is VALID [2020-07-28 19:00:09,101 INFO L280 TraceCheckUtils]: 19: Hoare triple {1170#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1170#false} is VALID [2020-07-28 19:00:09,101 INFO L280 TraceCheckUtils]: 20: Hoare triple {1170#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {1170#false} is VALID [2020-07-28 19:00:09,102 INFO L280 TraceCheckUtils]: 21: Hoare triple {1170#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1170#false} is VALID [2020-07-28 19:00:09,102 INFO L280 TraceCheckUtils]: 22: Hoare triple {1170#false} assume 0 != ~methAndRunningLastTime~0; {1170#false} is VALID [2020-07-28 19:00:09,102 INFO L280 TraceCheckUtils]: 23: Hoare triple {1170#false} assume !false; {1170#false} is VALID [2020-07-28 19:00:09,103 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 19:00:09,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390763550] [2020-07-28 19:00:09,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:09,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:09,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837934655] [2020-07-28 19:00:09,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:00:09,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:09,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:09,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:09,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:09,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:09,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:09,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:09,141 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-07-28 19:00:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,342 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-07-28 19:00:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:09,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:00:09,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:09,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:00:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:00:09,349 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 135 transitions. [2020-07-28 19:00:09,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:09,509 INFO L225 Difference]: With dead ends: 91 [2020-07-28 19:00:09,509 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 19:00:09,510 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 19:00:09,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 19:00:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-07-28 19:00:09,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:09,546 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:09,546 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:09,546 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,548 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2020-07-28 19:00:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-07-28 19:00:09,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:09,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:09,554 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:09,555 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:00:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,559 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2020-07-28 19:00:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-07-28 19:00:09,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:09,562 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:09,562 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:09,562 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-28 19:00:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-07-28 19:00:09,566 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-07-28 19:00:09,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:09,566 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-07-28 19:00:09,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-07-28 19:00:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:00:09,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:09,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:09,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:00:09,568 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-07-28 19:00:09,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:09,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129279519] [2020-07-28 19:00:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:09,667 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {1464#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {1464#(= 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; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,669 INFO L280 TraceCheckUtils]: 3: Hoare triple {1464#(= 0 ~pumpRunning~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,670 INFO L280 TraceCheckUtils]: 4: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,671 INFO L280 TraceCheckUtils]: 5: Hoare triple {1464#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,671 INFO L280 TraceCheckUtils]: 6: Hoare triple {1464#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,672 INFO L280 TraceCheckUtils]: 7: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !false; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,673 INFO L280 TraceCheckUtils]: 8: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,673 INFO L280 TraceCheckUtils]: 9: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,674 INFO L280 TraceCheckUtils]: 10: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,675 INFO L280 TraceCheckUtils]: 11: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,675 INFO L280 TraceCheckUtils]: 12: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,676 INFO L280 TraceCheckUtils]: 13: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,677 INFO L280 TraceCheckUtils]: 14: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,677 INFO L280 TraceCheckUtils]: 15: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,678 INFO L280 TraceCheckUtils]: 16: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,679 INFO L280 TraceCheckUtils]: 17: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {1464#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:09,679 INFO L280 TraceCheckUtils]: 18: Hoare triple {1464#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1463#false} is VALID [2020-07-28 19:00:09,680 INFO L280 TraceCheckUtils]: 19: Hoare triple {1463#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1463#false} is VALID [2020-07-28 19:00:09,680 INFO L280 TraceCheckUtils]: 20: Hoare triple {1463#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {1463#false} is VALID [2020-07-28 19:00:09,680 INFO L280 TraceCheckUtils]: 21: Hoare triple {1463#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1463#false} is VALID [2020-07-28 19:00:09,680 INFO L280 TraceCheckUtils]: 22: Hoare triple {1463#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {1463#false} is VALID [2020-07-28 19:00:09,681 INFO L280 TraceCheckUtils]: 23: Hoare triple {1463#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1463#false} is VALID [2020-07-28 19:00:09,681 INFO L280 TraceCheckUtils]: 24: Hoare triple {1463#false} assume 0 != ~methAndRunningLastTime~0; {1463#false} is VALID [2020-07-28 19:00:09,682 INFO L280 TraceCheckUtils]: 25: Hoare triple {1463#false} assume !false; {1463#false} is VALID [2020-07-28 19:00:09,683 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 19:00:09,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129279519] [2020-07-28 19:00:09,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:09,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:09,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639007794] [2020-07-28 19:00:09,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:00:09,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:09,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:09,719 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:09,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:09,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:09,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:09,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:09,721 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-07-28 19:00:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:09,944 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 19:00:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:09,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:00:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:00:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:00:09,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 19:00:10,141 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:10,144 INFO L225 Difference]: With dead ends: 113 [2020-07-28 19:00:10,144 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:00:10,146 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 19:00:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:00:10,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-07-28 19:00:10,198 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:10,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 69 states. [2020-07-28 19:00:10,199 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 69 states. [2020-07-28 19:00:10,199 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 69 states. [2020-07-28 19:00:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:10,202 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:00:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:00:10,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:10,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:10,203 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 71 states. [2020-07-28 19:00:10,203 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 71 states. [2020-07-28 19:00:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:10,206 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:00:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:00:10,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:10,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:10,207 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:10,207 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-28 19:00:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-07-28 19:00:10,209 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-07-28 19:00:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:10,210 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-07-28 19:00:10,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-07-28 19:00:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:00:10,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:10,211 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 19:00:10,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:00:10,211 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:10,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:10,212 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-07-28 19:00:10,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:10,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484321368] [2020-07-28 19:00:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:10,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {1857#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1857#true} is VALID [2020-07-28 19:00:10,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {1857#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {1857#true} is VALID [2020-07-28 19:00:10,288 INFO L280 TraceCheckUtils]: 2: Hoare triple {1857#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; {1857#true} is VALID [2020-07-28 19:00:10,289 INFO L280 TraceCheckUtils]: 3: Hoare triple {1857#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {1857#true} is VALID [2020-07-28 19:00:10,289 INFO L280 TraceCheckUtils]: 4: Hoare triple {1857#true} assume 0 != main_~tmp~0; {1857#true} is VALID [2020-07-28 19:00:10,289 INFO L280 TraceCheckUtils]: 5: Hoare triple {1857#true} ~methAndRunningLastTime~0 := 0; {1857#true} is VALID [2020-07-28 19:00:10,289 INFO L280 TraceCheckUtils]: 6: Hoare triple {1857#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1857#true} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 7: Hoare triple {1857#true} assume !false; {1857#true} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 8: Hoare triple {1857#true} assume test_~splverifierCounter~0 < 4; {1857#true} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 9: Hoare triple {1857#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {1857#true} is VALID [2020-07-28 19:00:10,290 INFO L280 TraceCheckUtils]: 10: Hoare triple {1857#true} assume !(0 != test_~tmp~6); {1857#true} is VALID [2020-07-28 19:00:10,291 INFO L280 TraceCheckUtils]: 11: Hoare triple {1857#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1857#true} is VALID [2020-07-28 19:00:10,291 INFO L280 TraceCheckUtils]: 12: Hoare triple {1857#true} assume !(0 != test_~tmp___0~3); {1857#true} is VALID [2020-07-28 19:00:10,291 INFO L280 TraceCheckUtils]: 13: Hoare triple {1857#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1857#true} is VALID [2020-07-28 19:00:10,291 INFO L280 TraceCheckUtils]: 14: Hoare triple {1857#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1857#true} is VALID [2020-07-28 19:00:10,292 INFO L280 TraceCheckUtils]: 15: Hoare triple {1857#true} assume !(0 != ~pumpRunning~0); {1857#true} is VALID [2020-07-28 19:00:10,292 INFO L280 TraceCheckUtils]: 16: Hoare triple {1857#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1857#true} is VALID [2020-07-28 19:00:10,292 INFO L280 TraceCheckUtils]: 17: Hoare triple {1857#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {1857#true} is VALID [2020-07-28 19:00:10,293 INFO L280 TraceCheckUtils]: 18: Hoare triple {1857#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {1857#true} is VALID [2020-07-28 19:00:10,293 INFO L280 TraceCheckUtils]: 19: Hoare triple {1857#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {1857#true} is VALID [2020-07-28 19:00:10,293 INFO L280 TraceCheckUtils]: 20: Hoare triple {1857#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {1857#true} is VALID [2020-07-28 19:00:10,294 INFO L280 TraceCheckUtils]: 21: Hoare triple {1857#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {1859#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:00:10,295 INFO L280 TraceCheckUtils]: 22: Hoare triple {1859#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {1860#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 23: Hoare triple {1860#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {1861#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} is VALID [2020-07-28 19:00:10,296 INFO L280 TraceCheckUtils]: 24: Hoare triple {1861#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {1858#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 25: Hoare triple {1858#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1858#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 26: Hoare triple {1858#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {1858#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 27: Hoare triple {1858#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1858#false} is VALID [2020-07-28 19:00:10,297 INFO L280 TraceCheckUtils]: 28: Hoare triple {1858#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {1858#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 29: Hoare triple {1858#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1858#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 30: Hoare triple {1858#false} assume 0 != ~methAndRunningLastTime~0; {1858#false} is VALID [2020-07-28 19:00:10,298 INFO L280 TraceCheckUtils]: 31: Hoare triple {1858#false} assume !false; {1858#false} is VALID [2020-07-28 19:00:10,299 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 19:00:10,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484321368] [2020-07-28 19:00:10,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:10,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:10,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470296380] [2020-07-28 19:00:10,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:10,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:10,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:10,356 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 19:00:10,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:10,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:10,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:10,357 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-07-28 19:00:11,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:11,024 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-07-28 19:00:11,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:00:11,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:11,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 200 transitions. [2020-07-28 19:00:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 200 transitions. [2020-07-28 19:00:11,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 200 transitions. [2020-07-28 19:00:11,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:11,323 INFO L225 Difference]: With dead ends: 182 [2020-07-28 19:00:11,323 INFO L226 Difference]: Without dead ends: 120 [2020-07-28 19:00:11,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:00:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-28 19:00:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-07-28 19:00:11,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:11,401 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 75 states. [2020-07-28 19:00:11,401 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 75 states. [2020-07-28 19:00:11,401 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 75 states. [2020-07-28 19:00:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:11,404 INFO L93 Difference]: Finished difference Result 120 states and 165 transitions. [2020-07-28 19:00:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2020-07-28 19:00:11,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:11,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:11,405 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 120 states. [2020-07-28 19:00:11,405 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 120 states. [2020-07-28 19:00:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:11,409 INFO L93 Difference]: Finished difference Result 120 states and 165 transitions. [2020-07-28 19:00:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2020-07-28 19:00:11,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:11,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:11,410 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:11,411 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 19:00:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-07-28 19:00:11,413 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-07-28 19:00:11,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:11,414 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-07-28 19:00:11,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-07-28 19:00:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:00:11,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:11,415 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 19:00:11,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:00:11,415 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:11,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:11,416 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-07-28 19:00:11,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:11,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246109517] [2020-07-28 19:00:11,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:11,495 INFO L280 TraceCheckUtils]: 0: Hoare triple {2461#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {2463#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {2463#(= 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; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,507 INFO L280 TraceCheckUtils]: 3: Hoare triple {2463#(= 0 ~pumpRunning~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,507 INFO L280 TraceCheckUtils]: 4: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,508 INFO L280 TraceCheckUtils]: 5: Hoare triple {2463#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,508 INFO L280 TraceCheckUtils]: 6: Hoare triple {2463#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,509 INFO L280 TraceCheckUtils]: 7: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !false; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,510 INFO L280 TraceCheckUtils]: 8: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,518 INFO L280 TraceCheckUtils]: 9: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,519 INFO L280 TraceCheckUtils]: 10: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,519 INFO L280 TraceCheckUtils]: 11: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,520 INFO L280 TraceCheckUtils]: 12: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,520 INFO L280 TraceCheckUtils]: 13: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,521 INFO L280 TraceCheckUtils]: 14: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,522 INFO L280 TraceCheckUtils]: 15: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,522 INFO L280 TraceCheckUtils]: 16: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,523 INFO L280 TraceCheckUtils]: 17: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,523 INFO L280 TraceCheckUtils]: 18: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,524 INFO L280 TraceCheckUtils]: 19: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,525 INFO L280 TraceCheckUtils]: 20: Hoare triple {2463#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,526 INFO L280 TraceCheckUtils]: 21: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,528 INFO L280 TraceCheckUtils]: 22: Hoare triple {2463#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,529 INFO L280 TraceCheckUtils]: 23: Hoare triple {2463#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,530 INFO L280 TraceCheckUtils]: 24: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,531 INFO L280 TraceCheckUtils]: 25: Hoare triple {2463#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,532 INFO L280 TraceCheckUtils]: 26: Hoare triple {2463#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {2463#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:11,533 INFO L280 TraceCheckUtils]: 27: Hoare triple {2463#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {2464#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:00:11,534 INFO L280 TraceCheckUtils]: 28: Hoare triple {2464#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {2465#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 19:00:11,535 INFO L280 TraceCheckUtils]: 29: Hoare triple {2465#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {2462#false} is VALID [2020-07-28 19:00:11,535 INFO L280 TraceCheckUtils]: 30: Hoare triple {2462#false} assume 0 != ~methAndRunningLastTime~0; {2462#false} is VALID [2020-07-28 19:00:11,536 INFO L280 TraceCheckUtils]: 31: Hoare triple {2462#false} assume !false; {2462#false} is VALID [2020-07-28 19:00:11,538 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 19:00:11,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246109517] [2020-07-28 19:00:11,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:11,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:00:11,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898275334] [2020-07-28 19:00:11,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:11,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:11,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:11,583 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 19:00:11,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:11,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:11,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:11,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:11,585 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-07-28 19:00:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:12,381 INFO L93 Difference]: Finished difference Result 272 states and 382 transitions. [2020-07-28 19:00:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:00:12,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:12,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 326 transitions. [2020-07-28 19:00:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 326 transitions. [2020-07-28 19:00:12,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 326 transitions. [2020-07-28 19:00:12,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:12,731 INFO L225 Difference]: With dead ends: 272 [2020-07-28 19:00:12,732 INFO L226 Difference]: Without dead ends: 204 [2020-07-28 19:00:12,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:00:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-28 19:00:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 74. [2020-07-28 19:00:12,824 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:12,824 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand 74 states. [2020-07-28 19:00:12,825 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 74 states. [2020-07-28 19:00:12,825 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 74 states. [2020-07-28 19:00:12,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:12,832 INFO L93 Difference]: Finished difference Result 204 states and 284 transitions. [2020-07-28 19:00:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 284 transitions. [2020-07-28 19:00:12,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:12,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:12,833 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 204 states. [2020-07-28 19:00:12,833 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 204 states. [2020-07-28 19:00:12,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:12,841 INFO L93 Difference]: Finished difference Result 204 states and 284 transitions. [2020-07-28 19:00:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 284 transitions. [2020-07-28 19:00:12,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:12,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:12,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:12,842 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 19:00:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 101 transitions. [2020-07-28 19:00:12,844 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 101 transitions. Word has length 32 [2020-07-28 19:00:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:12,845 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 101 transitions. [2020-07-28 19:00:12,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2020-07-28 19:00:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:00:12,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:12,846 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 19:00:12,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:00:12,846 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:12,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:12,846 INFO L82 PathProgramCache]: Analyzing trace with hash 635898022, now seen corresponding path program 1 times [2020-07-28 19:00:12,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:12,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861271271] [2020-07-28 19:00:12,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:12,963 INFO L280 TraceCheckUtils]: 0: Hoare triple {3358#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3358#true} is VALID [2020-07-28 19:00:12,964 INFO L280 TraceCheckUtils]: 1: Hoare triple {3358#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {3358#true} is VALID [2020-07-28 19:00:12,964 INFO L280 TraceCheckUtils]: 2: Hoare triple {3358#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; {3358#true} is VALID [2020-07-28 19:00:12,964 INFO L280 TraceCheckUtils]: 3: Hoare triple {3358#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {3358#true} is VALID [2020-07-28 19:00:12,964 INFO L280 TraceCheckUtils]: 4: Hoare triple {3358#true} assume 0 != main_~tmp~0; {3358#true} is VALID [2020-07-28 19:00:12,964 INFO L280 TraceCheckUtils]: 5: Hoare triple {3358#true} ~methAndRunningLastTime~0 := 0; {3358#true} is VALID [2020-07-28 19:00:12,965 INFO L280 TraceCheckUtils]: 6: Hoare triple {3358#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3358#true} is VALID [2020-07-28 19:00:12,965 INFO L280 TraceCheckUtils]: 7: Hoare triple {3358#true} assume !false; {3358#true} is VALID [2020-07-28 19:00:12,965 INFO L280 TraceCheckUtils]: 8: Hoare triple {3358#true} assume test_~splverifierCounter~0 < 4; {3358#true} is VALID [2020-07-28 19:00:12,966 INFO L280 TraceCheckUtils]: 9: Hoare triple {3358#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {3358#true} is VALID [2020-07-28 19:00:12,966 INFO L280 TraceCheckUtils]: 10: Hoare triple {3358#true} assume !(0 != test_~tmp~6); {3358#true} is VALID [2020-07-28 19:00:12,966 INFO L280 TraceCheckUtils]: 11: Hoare triple {3358#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {3358#true} is VALID [2020-07-28 19:00:12,966 INFO L280 TraceCheckUtils]: 12: Hoare triple {3358#true} assume !(0 != test_~tmp___0~3); {3358#true} is VALID [2020-07-28 19:00:12,966 INFO L280 TraceCheckUtils]: 13: Hoare triple {3358#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3358#true} is VALID [2020-07-28 19:00:12,968 INFO L280 TraceCheckUtils]: 14: Hoare triple {3358#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3360#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:12,969 INFO L280 TraceCheckUtils]: 15: Hoare triple {3360#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {3360#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:12,969 INFO L280 TraceCheckUtils]: 16: Hoare triple {3360#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3358#true} is VALID [2020-07-28 19:00:12,969 INFO L280 TraceCheckUtils]: 17: Hoare triple {3358#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {3358#true} is VALID [2020-07-28 19:00:12,969 INFO L280 TraceCheckUtils]: 18: Hoare triple {3358#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {3358#true} is VALID [2020-07-28 19:00:12,971 INFO L280 TraceCheckUtils]: 19: Hoare triple {3358#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {3361#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:00:12,972 INFO L280 TraceCheckUtils]: 20: Hoare triple {3361#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {3362#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} is VALID [2020-07-28 19:00:12,972 INFO L280 TraceCheckUtils]: 21: Hoare triple {3362#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3359#false} is VALID [2020-07-28 19:00:12,973 INFO L280 TraceCheckUtils]: 22: Hoare triple {3359#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {3359#false} is VALID [2020-07-28 19:00:12,973 INFO L280 TraceCheckUtils]: 23: Hoare triple {3359#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {3359#false} is VALID [2020-07-28 19:00:12,973 INFO L280 TraceCheckUtils]: 24: Hoare triple {3359#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {3359#false} is VALID [2020-07-28 19:00:12,973 INFO L280 TraceCheckUtils]: 25: Hoare triple {3359#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {3359#false} is VALID [2020-07-28 19:00:12,974 INFO L280 TraceCheckUtils]: 26: Hoare triple {3359#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {3359#false} is VALID [2020-07-28 19:00:12,974 INFO L280 TraceCheckUtils]: 27: Hoare triple {3359#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {3359#false} is VALID [2020-07-28 19:00:12,974 INFO L280 TraceCheckUtils]: 28: Hoare triple {3359#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {3359#false} is VALID [2020-07-28 19:00:12,976 INFO L280 TraceCheckUtils]: 29: Hoare triple {3359#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {3359#false} is VALID [2020-07-28 19:00:12,976 INFO L280 TraceCheckUtils]: 30: Hoare triple {3359#false} assume 0 != ~methAndRunningLastTime~0; {3359#false} is VALID [2020-07-28 19:00:12,976 INFO L280 TraceCheckUtils]: 31: Hoare triple {3359#false} assume !false; {3359#false} is VALID [2020-07-28 19:00:12,977 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 19:00:12,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861271271] [2020-07-28 19:00:12,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:12,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:12,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694577864] [2020-07-28 19:00:12,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:12,980 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:12,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:13,018 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 19:00:13,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:13,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:13,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:13,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:13,020 INFO L87 Difference]: Start difference. First operand 74 states and 101 transitions. Second operand 5 states. [2020-07-28 19:00:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:13,788 INFO L93 Difference]: Finished difference Result 191 states and 261 transitions. [2020-07-28 19:00:13,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:00:13,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:00:13,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 19:00:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 19:00:13,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 203 transitions. [2020-07-28 19:00:14,040 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:14,042 INFO L225 Difference]: With dead ends: 191 [2020-07-28 19:00:14,043 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 19:00:14,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:00:14,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 19:00:14,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 78. [2020-07-28 19:00:14,149 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:14,149 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 78 states. [2020-07-28 19:00:14,150 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 78 states. [2020-07-28 19:00:14,150 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 78 states. [2020-07-28 19:00:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:14,162 INFO L93 Difference]: Finished difference Result 124 states and 165 transitions. [2020-07-28 19:00:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2020-07-28 19:00:14,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:14,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:14,164 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 124 states. [2020-07-28 19:00:14,164 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 124 states. [2020-07-28 19:00:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:14,170 INFO L93 Difference]: Finished difference Result 124 states and 165 transitions. [2020-07-28 19:00:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2020-07-28 19:00:14,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:14,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:14,171 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:14,172 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 19:00:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2020-07-28 19:00:14,182 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 32 [2020-07-28 19:00:14,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:14,183 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2020-07-28 19:00:14,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2020-07-28 19:00:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:00:14,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:14,184 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 19:00:14,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:00:14,184 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:14,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:14,185 INFO L82 PathProgramCache]: Analyzing trace with hash 49092008, now seen corresponding path program 1 times [2020-07-28 19:00:14,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:14,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291099683] [2020-07-28 19:00:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:14,293 INFO L280 TraceCheckUtils]: 0: Hoare triple {3992#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,294 INFO L280 TraceCheckUtils]: 1: Hoare triple {3994#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,295 INFO L280 TraceCheckUtils]: 2: Hoare triple {3994#(= 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; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,295 INFO L280 TraceCheckUtils]: 3: Hoare triple {3994#(= 1 ~waterLevel~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,296 INFO L280 TraceCheckUtils]: 4: Hoare triple {3994#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,296 INFO L280 TraceCheckUtils]: 5: Hoare triple {3994#(= 1 ~waterLevel~0)} ~methAndRunningLastTime~0 := 0; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,297 INFO L280 TraceCheckUtils]: 6: Hoare triple {3994#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,297 INFO L280 TraceCheckUtils]: 7: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !false; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,298 INFO L280 TraceCheckUtils]: 8: Hoare triple {3994#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,299 INFO L280 TraceCheckUtils]: 9: Hoare triple {3994#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,300 INFO L280 TraceCheckUtils]: 10: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~6); {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,300 INFO L280 TraceCheckUtils]: 11: Hoare triple {3994#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,301 INFO L280 TraceCheckUtils]: 12: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,302 INFO L280 TraceCheckUtils]: 13: Hoare triple {3994#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,303 INFO L280 TraceCheckUtils]: 14: Hoare triple {3994#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,304 INFO L280 TraceCheckUtils]: 15: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,304 INFO L280 TraceCheckUtils]: 16: Hoare triple {3994#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,305 INFO L280 TraceCheckUtils]: 17: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,306 INFO L280 TraceCheckUtils]: 18: Hoare triple {3994#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {3994#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:14,307 INFO L280 TraceCheckUtils]: 19: Hoare triple {3994#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {3993#false} is VALID [2020-07-28 19:00:14,308 INFO L280 TraceCheckUtils]: 20: Hoare triple {3993#false} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {3993#false} is VALID [2020-07-28 19:00:14,308 INFO L280 TraceCheckUtils]: 21: Hoare triple {3993#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3993#false} is VALID [2020-07-28 19:00:14,308 INFO L280 TraceCheckUtils]: 22: Hoare triple {3993#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {3993#false} is VALID [2020-07-28 19:00:14,309 INFO L280 TraceCheckUtils]: 23: Hoare triple {3993#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {3993#false} is VALID [2020-07-28 19:00:14,309 INFO L280 TraceCheckUtils]: 24: Hoare triple {3993#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {3993#false} is VALID [2020-07-28 19:00:14,309 INFO L280 TraceCheckUtils]: 25: Hoare triple {3993#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {3993#false} is VALID [2020-07-28 19:00:14,309 INFO L280 TraceCheckUtils]: 26: Hoare triple {3993#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {3993#false} is VALID [2020-07-28 19:00:14,310 INFO L280 TraceCheckUtils]: 27: Hoare triple {3993#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {3993#false} is VALID [2020-07-28 19:00:14,310 INFO L280 TraceCheckUtils]: 28: Hoare triple {3993#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {3993#false} is VALID [2020-07-28 19:00:14,310 INFO L280 TraceCheckUtils]: 29: Hoare triple {3993#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {3993#false} is VALID [2020-07-28 19:00:14,311 INFO L280 TraceCheckUtils]: 30: Hoare triple {3993#false} assume 0 != ~methAndRunningLastTime~0; {3993#false} is VALID [2020-07-28 19:00:14,311 INFO L280 TraceCheckUtils]: 31: Hoare triple {3993#false} assume !false; {3993#false} is VALID [2020-07-28 19:00:14,313 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 19:00:14,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291099683] [2020-07-28 19:00:14,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:14,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:14,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556216088] [2020-07-28 19:00:14,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 19:00:14,315 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:14,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:14,367 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 19:00:14,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:14,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:14,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:14,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:14,369 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand 3 states. [2020-07-28 19:00:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:14,654 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2020-07-28 19:00:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:14,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 19:00:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:00:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 19:00:14,657 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 19:00:14,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:14,854 INFO L225 Difference]: With dead ends: 175 [2020-07-28 19:00:14,854 INFO L226 Difference]: Without dead ends: 104 [2020-07-28 19:00:14,855 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 19:00:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-28 19:00:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-28 19:00:15,019 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:15,020 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 104 states. [2020-07-28 19:00:15,020 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 19:00:15,020 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 19:00:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,022 INFO L93 Difference]: Finished difference Result 104 states and 137 transitions. [2020-07-28 19:00:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2020-07-28 19:00:15,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:15,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:15,023 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 19:00:15,023 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 19:00:15,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,026 INFO L93 Difference]: Finished difference Result 104 states and 137 transitions. [2020-07-28 19:00:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2020-07-28 19:00:15,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:15,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:15,027 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:15,027 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-28 19:00:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 137 transitions. [2020-07-28 19:00:15,030 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 137 transitions. Word has length 32 [2020-07-28 19:00:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:15,030 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 137 transitions. [2020-07-28 19:00:15,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2020-07-28 19:00:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:00:15,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:15,031 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 19:00:15,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:00:15,032 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:15,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:15,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1413811480, now seen corresponding path program 1 times [2020-07-28 19:00:15,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:15,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975093171] [2020-07-28 19:00:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:15,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {4590#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {4590#true} is VALID [2020-07-28 19:00:15,086 INFO L280 TraceCheckUtils]: 1: Hoare triple {4590#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {4590#true} is VALID [2020-07-28 19:00:15,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {4590#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; {4590#true} is VALID [2020-07-28 19:00:15,087 INFO L280 TraceCheckUtils]: 3: Hoare triple {4590#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {4590#true} is VALID [2020-07-28 19:00:15,087 INFO L280 TraceCheckUtils]: 4: Hoare triple {4590#true} assume 0 != main_~tmp~0; {4590#true} is VALID [2020-07-28 19:00:15,088 INFO L280 TraceCheckUtils]: 5: Hoare triple {4590#true} ~methAndRunningLastTime~0 := 0; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,088 INFO L280 TraceCheckUtils]: 6: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,089 INFO L280 TraceCheckUtils]: 7: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !false; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume test_~splverifierCounter~0 < 4; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,090 INFO L280 TraceCheckUtils]: 9: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,091 INFO L280 TraceCheckUtils]: 10: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp~6; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,091 INFO L280 TraceCheckUtils]: 11: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,092 INFO L280 TraceCheckUtils]: 12: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,092 INFO L280 TraceCheckUtils]: 13: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !(0 != test_~tmp___0~3); {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,093 INFO L280 TraceCheckUtils]: 14: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,094 INFO L280 TraceCheckUtils]: 15: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,094 INFO L280 TraceCheckUtils]: 16: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0); {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,095 INFO L280 TraceCheckUtils]: 17: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,095 INFO L280 TraceCheckUtils]: 18: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,096 INFO L280 TraceCheckUtils]: 19: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,097 INFO L280 TraceCheckUtils]: 20: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,097 INFO L280 TraceCheckUtils]: 21: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,098 INFO L280 TraceCheckUtils]: 22: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,098 INFO L280 TraceCheckUtils]: 23: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,099 INFO L280 TraceCheckUtils]: 24: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,099 INFO L280 TraceCheckUtils]: 25: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,100 INFO L280 TraceCheckUtils]: 26: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,100 INFO L280 TraceCheckUtils]: 27: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,101 INFO L280 TraceCheckUtils]: 28: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,102 INFO L280 TraceCheckUtils]: 29: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,102 INFO L280 TraceCheckUtils]: 30: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {4592#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:15,103 INFO L280 TraceCheckUtils]: 31: Hoare triple {4592#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~methAndRunningLastTime~0; {4591#false} is VALID [2020-07-28 19:00:15,103 INFO L280 TraceCheckUtils]: 32: Hoare triple {4591#false} assume !false; {4591#false} is VALID [2020-07-28 19:00:15,104 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 19:00:15,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975093171] [2020-07-28 19:00:15,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:15,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:15,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879245378] [2020-07-28 19:00:15,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:00:15,106 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:15,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:15,149 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 19:00:15,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:15,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:15,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:15,150 INFO L87 Difference]: Start difference. First operand 104 states and 137 transitions. Second operand 3 states. [2020-07-28 19:00:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,557 INFO L93 Difference]: Finished difference Result 163 states and 217 transitions. [2020-07-28 19:00:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:15,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:00:15,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2020-07-28 19:00:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2020-07-28 19:00:15,559 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 131 transitions. [2020-07-28 19:00:15,716 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:15,720 INFO L225 Difference]: With dead ends: 163 [2020-07-28 19:00:15,720 INFO L226 Difference]: Without dead ends: 161 [2020-07-28 19:00:15,721 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 19:00:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-28 19:00:15,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 146. [2020-07-28 19:00:15,949 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:15,950 INFO L82 GeneralOperation]: Start isEquivalent. First operand 161 states. Second operand 146 states. [2020-07-28 19:00:15,950 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 146 states. [2020-07-28 19:00:15,950 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 146 states. [2020-07-28 19:00:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,954 INFO L93 Difference]: Finished difference Result 161 states and 215 transitions. [2020-07-28 19:00:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 215 transitions. [2020-07-28 19:00:15,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:15,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:15,955 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 161 states. [2020-07-28 19:00:15,955 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 161 states. [2020-07-28 19:00:15,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:15,959 INFO L93 Difference]: Finished difference Result 161 states and 215 transitions. [2020-07-28 19:00:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 215 transitions. [2020-07-28 19:00:15,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:15,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:15,960 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:15,960 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 19:00:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 199 transitions. [2020-07-28 19:00:15,964 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 199 transitions. Word has length 33 [2020-07-28 19:00:15,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:15,964 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 199 transitions. [2020-07-28 19:00:15,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 199 transitions. [2020-07-28 19:00:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-28 19:00:15,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:15,967 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:15,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:00:15,967 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1903400686, now seen corresponding path program 1 times [2020-07-28 19:00:15,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:15,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477761804] [2020-07-28 19:00:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,076 INFO L280 TraceCheckUtils]: 0: Hoare triple {5343#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5343#true} is VALID [2020-07-28 19:00:16,076 INFO L280 TraceCheckUtils]: 1: Hoare triple {5343#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {5343#true} is VALID [2020-07-28 19:00:16,077 INFO L280 TraceCheckUtils]: 2: Hoare triple {5343#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; {5343#true} is VALID [2020-07-28 19:00:16,077 INFO L280 TraceCheckUtils]: 3: Hoare triple {5343#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {5343#true} is VALID [2020-07-28 19:00:16,077 INFO L280 TraceCheckUtils]: 4: Hoare triple {5343#true} assume 0 != main_~tmp~0; {5343#true} is VALID [2020-07-28 19:00:16,077 INFO L280 TraceCheckUtils]: 5: Hoare triple {5343#true} ~methAndRunningLastTime~0 := 0; {5343#true} is VALID [2020-07-28 19:00:16,078 INFO L280 TraceCheckUtils]: 6: Hoare triple {5343#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5343#true} is VALID [2020-07-28 19:00:16,078 INFO L280 TraceCheckUtils]: 7: Hoare triple {5343#true} assume !false; {5343#true} is VALID [2020-07-28 19:00:16,078 INFO L280 TraceCheckUtils]: 8: Hoare triple {5343#true} assume test_~splverifierCounter~0 < 4; {5343#true} is VALID [2020-07-28 19:00:16,078 INFO L280 TraceCheckUtils]: 9: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {5343#true} is VALID [2020-07-28 19:00:16,079 INFO L280 TraceCheckUtils]: 10: Hoare triple {5343#true} assume 0 != test_~tmp~6; {5343#true} is VALID [2020-07-28 19:00:16,079 INFO L280 TraceCheckUtils]: 11: Hoare triple {5343#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5343#true} is VALID [2020-07-28 19:00:16,079 INFO L280 TraceCheckUtils]: 12: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {5343#true} is VALID [2020-07-28 19:00:16,080 INFO L280 TraceCheckUtils]: 13: Hoare triple {5343#true} assume !(0 != test_~tmp___0~3); {5343#true} is VALID [2020-07-28 19:00:16,080 INFO L280 TraceCheckUtils]: 14: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5343#true} is VALID [2020-07-28 19:00:16,081 INFO L280 TraceCheckUtils]: 15: Hoare triple {5343#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5345#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,082 INFO L280 TraceCheckUtils]: 16: Hoare triple {5345#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {5345#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:16,082 INFO L280 TraceCheckUtils]: 17: Hoare triple {5345#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5343#true} is VALID [2020-07-28 19:00:16,082 INFO L280 TraceCheckUtils]: 18: Hoare triple {5343#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5343#true} is VALID [2020-07-28 19:00:16,083 INFO L280 TraceCheckUtils]: 19: Hoare triple {5343#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {5343#true} is VALID [2020-07-28 19:00:16,083 INFO L280 TraceCheckUtils]: 20: Hoare triple {5343#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {5343#true} is VALID [2020-07-28 19:00:16,083 INFO L280 TraceCheckUtils]: 21: Hoare triple {5343#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {5343#true} is VALID [2020-07-28 19:00:16,083 INFO L280 TraceCheckUtils]: 22: Hoare triple {5343#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5343#true} is VALID [2020-07-28 19:00:16,083 INFO L280 TraceCheckUtils]: 23: Hoare triple {5343#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5343#true} is VALID [2020-07-28 19:00:16,084 INFO L280 TraceCheckUtils]: 24: Hoare triple {5343#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {5343#true} is VALID [2020-07-28 19:00:16,089 INFO L280 TraceCheckUtils]: 25: Hoare triple {5343#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,090 INFO L280 TraceCheckUtils]: 26: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,093 INFO L280 TraceCheckUtils]: 27: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,093 INFO L280 TraceCheckUtils]: 28: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,094 INFO L280 TraceCheckUtils]: 29: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,094 INFO L280 TraceCheckUtils]: 30: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,095 INFO L280 TraceCheckUtils]: 31: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,095 INFO L280 TraceCheckUtils]: 32: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume !false; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,096 INFO L280 TraceCheckUtils]: 33: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume test_~splverifierCounter~0 < 4; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,096 INFO L280 TraceCheckUtils]: 34: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,097 INFO L280 TraceCheckUtils]: 35: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp~6); {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,097 INFO L280 TraceCheckUtils]: 36: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,098 INFO L280 TraceCheckUtils]: 37: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp___0~3); {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,099 INFO L280 TraceCheckUtils]: 38: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,099 INFO L280 TraceCheckUtils]: 39: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5346#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:16,100 INFO L280 TraceCheckUtils]: 40: Hoare triple {5346#(not (= 0 ~pumpRunning~0))} assume !(0 != ~pumpRunning~0); {5344#false} is VALID [2020-07-28 19:00:16,100 INFO L280 TraceCheckUtils]: 41: Hoare triple {5344#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5344#false} is VALID [2020-07-28 19:00:16,100 INFO L280 TraceCheckUtils]: 42: Hoare triple {5344#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5344#false} is VALID [2020-07-28 19:00:16,100 INFO L280 TraceCheckUtils]: 43: Hoare triple {5344#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {5344#false} is VALID [2020-07-28 19:00:16,100 INFO L280 TraceCheckUtils]: 44: Hoare triple {5344#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {5344#false} is VALID [2020-07-28 19:00:16,101 INFO L280 TraceCheckUtils]: 45: Hoare triple {5344#false} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {5344#false} is VALID [2020-07-28 19:00:16,101 INFO L280 TraceCheckUtils]: 46: Hoare triple {5344#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5344#false} is VALID [2020-07-28 19:00:16,101 INFO L280 TraceCheckUtils]: 47: Hoare triple {5344#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5344#false} is VALID [2020-07-28 19:00:16,101 INFO L280 TraceCheckUtils]: 48: Hoare triple {5344#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {5344#false} is VALID [2020-07-28 19:00:16,101 INFO L280 TraceCheckUtils]: 49: Hoare triple {5344#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {5344#false} is VALID [2020-07-28 19:00:16,102 INFO L280 TraceCheckUtils]: 50: Hoare triple {5344#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {5344#false} is VALID [2020-07-28 19:00:16,102 INFO L280 TraceCheckUtils]: 51: Hoare triple {5344#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {5344#false} is VALID [2020-07-28 19:00:16,102 INFO L280 TraceCheckUtils]: 52: Hoare triple {5344#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5344#false} is VALID [2020-07-28 19:00:16,102 INFO L280 TraceCheckUtils]: 53: Hoare triple {5344#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {5344#false} is VALID [2020-07-28 19:00:16,102 INFO L280 TraceCheckUtils]: 54: Hoare triple {5344#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {5344#false} is VALID [2020-07-28 19:00:16,103 INFO L280 TraceCheckUtils]: 55: Hoare triple {5344#false} assume 0 != ~methAndRunningLastTime~0; {5344#false} is VALID [2020-07-28 19:00:16,103 INFO L280 TraceCheckUtils]: 56: Hoare triple {5344#false} assume !false; {5344#false} is VALID [2020-07-28 19:00:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:16,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477761804] [2020-07-28 19:00:16,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284826547] [2020-07-28 19:00:16,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:00:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-28 19:00:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:16,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:00:16,394 INFO L280 TraceCheckUtils]: 0: Hoare triple {5343#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5343#true} is VALID [2020-07-28 19:00:16,395 INFO L280 TraceCheckUtils]: 1: Hoare triple {5343#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {5343#true} is VALID [2020-07-28 19:00:16,395 INFO L280 TraceCheckUtils]: 2: Hoare triple {5343#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; {5343#true} is VALID [2020-07-28 19:00:16,395 INFO L280 TraceCheckUtils]: 3: Hoare triple {5343#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {5343#true} is VALID [2020-07-28 19:00:16,396 INFO L280 TraceCheckUtils]: 4: Hoare triple {5343#true} assume 0 != main_~tmp~0; {5343#true} is VALID [2020-07-28 19:00:16,396 INFO L280 TraceCheckUtils]: 5: Hoare triple {5343#true} ~methAndRunningLastTime~0 := 0; {5343#true} is VALID [2020-07-28 19:00:16,396 INFO L280 TraceCheckUtils]: 6: Hoare triple {5343#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5343#true} is VALID [2020-07-28 19:00:16,396 INFO L280 TraceCheckUtils]: 7: Hoare triple {5343#true} assume !false; {5343#true} is VALID [2020-07-28 19:00:16,397 INFO L280 TraceCheckUtils]: 8: Hoare triple {5343#true} assume test_~splverifierCounter~0 < 4; {5343#true} is VALID [2020-07-28 19:00:16,397 INFO L280 TraceCheckUtils]: 9: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {5343#true} is VALID [2020-07-28 19:00:16,397 INFO L280 TraceCheckUtils]: 10: Hoare triple {5343#true} assume 0 != test_~tmp~6; {5343#true} is VALID [2020-07-28 19:00:16,397 INFO L280 TraceCheckUtils]: 11: Hoare triple {5343#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5343#true} is VALID [2020-07-28 19:00:16,398 INFO L280 TraceCheckUtils]: 12: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {5343#true} is VALID [2020-07-28 19:00:16,398 INFO L280 TraceCheckUtils]: 13: Hoare triple {5343#true} assume !(0 != test_~tmp___0~3); {5343#true} is VALID [2020-07-28 19:00:16,398 INFO L280 TraceCheckUtils]: 14: Hoare triple {5343#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5343#true} is VALID [2020-07-28 19:00:16,398 INFO L280 TraceCheckUtils]: 15: Hoare triple {5343#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5343#true} is VALID [2020-07-28 19:00:16,399 INFO L280 TraceCheckUtils]: 16: Hoare triple {5343#true} assume !(0 != ~pumpRunning~0); {5343#true} is VALID [2020-07-28 19:00:16,399 INFO L280 TraceCheckUtils]: 17: Hoare triple {5343#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5343#true} is VALID [2020-07-28 19:00:16,399 INFO L280 TraceCheckUtils]: 18: Hoare triple {5343#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5343#true} is VALID [2020-07-28 19:00:16,399 INFO L280 TraceCheckUtils]: 19: Hoare triple {5343#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {5343#true} is VALID [2020-07-28 19:00:16,399 INFO L280 TraceCheckUtils]: 20: Hoare triple {5343#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {5343#true} is VALID [2020-07-28 19:00:16,400 INFO L280 TraceCheckUtils]: 21: Hoare triple {5343#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {5343#true} is VALID [2020-07-28 19:00:16,400 INFO L280 TraceCheckUtils]: 22: Hoare triple {5343#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5343#true} is VALID [2020-07-28 19:00:16,400 INFO L280 TraceCheckUtils]: 23: Hoare triple {5343#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5343#true} is VALID [2020-07-28 19:00:16,401 INFO L280 TraceCheckUtils]: 24: Hoare triple {5343#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {5343#true} is VALID [2020-07-28 19:00:16,402 INFO L280 TraceCheckUtils]: 25: Hoare triple {5343#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,403 INFO L280 TraceCheckUtils]: 26: Hoare triple {5425#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,404 INFO L280 TraceCheckUtils]: 27: Hoare triple {5425#(<= 1 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,404 INFO L280 TraceCheckUtils]: 28: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,405 INFO L280 TraceCheckUtils]: 29: Hoare triple {5425#(<= 1 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,406 INFO L280 TraceCheckUtils]: 30: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,407 INFO L280 TraceCheckUtils]: 31: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,408 INFO L280 TraceCheckUtils]: 32: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume !false; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,409 INFO L280 TraceCheckUtils]: 33: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,410 INFO L280 TraceCheckUtils]: 34: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,411 INFO L280 TraceCheckUtils]: 35: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,411 INFO L280 TraceCheckUtils]: 36: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,412 INFO L280 TraceCheckUtils]: 37: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,413 INFO L280 TraceCheckUtils]: 38: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,413 INFO L280 TraceCheckUtils]: 39: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5425#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:00:16,414 INFO L280 TraceCheckUtils]: 40: Hoare triple {5425#(<= 1 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {5344#false} is VALID [2020-07-28 19:00:16,415 INFO L280 TraceCheckUtils]: 41: Hoare triple {5344#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5344#false} is VALID [2020-07-28 19:00:16,415 INFO L280 TraceCheckUtils]: 42: Hoare triple {5344#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5344#false} is VALID [2020-07-28 19:00:16,415 INFO L280 TraceCheckUtils]: 43: Hoare triple {5344#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {5344#false} is VALID [2020-07-28 19:00:16,415 INFO L280 TraceCheckUtils]: 44: Hoare triple {5344#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {5344#false} is VALID [2020-07-28 19:00:16,415 INFO L280 TraceCheckUtils]: 45: Hoare triple {5344#false} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {5344#false} is VALID [2020-07-28 19:00:16,416 INFO L280 TraceCheckUtils]: 46: Hoare triple {5344#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5344#false} is VALID [2020-07-28 19:00:16,416 INFO L280 TraceCheckUtils]: 47: Hoare triple {5344#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5344#false} is VALID [2020-07-28 19:00:16,416 INFO L280 TraceCheckUtils]: 48: Hoare triple {5344#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {5344#false} is VALID [2020-07-28 19:00:16,416 INFO L280 TraceCheckUtils]: 49: Hoare triple {5344#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {5344#false} is VALID [2020-07-28 19:00:16,417 INFO L280 TraceCheckUtils]: 50: Hoare triple {5344#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {5344#false} is VALID [2020-07-28 19:00:16,417 INFO L280 TraceCheckUtils]: 51: Hoare triple {5344#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {5344#false} is VALID [2020-07-28 19:00:16,417 INFO L280 TraceCheckUtils]: 52: Hoare triple {5344#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5344#false} is VALID [2020-07-28 19:00:16,417 INFO L280 TraceCheckUtils]: 53: Hoare triple {5344#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {5344#false} is VALID [2020-07-28 19:00:16,417 INFO L280 TraceCheckUtils]: 54: Hoare triple {5344#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {5344#false} is VALID [2020-07-28 19:00:16,418 INFO L280 TraceCheckUtils]: 55: Hoare triple {5344#false} assume 0 != ~methAndRunningLastTime~0; {5344#false} is VALID [2020-07-28 19:00:16,418 INFO L280 TraceCheckUtils]: 56: Hoare triple {5344#false} assume !false; {5344#false} is VALID [2020-07-28 19:00:16,422 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 19:00:16,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:00:16,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-07-28 19:00:16,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296439592] [2020-07-28 19:00:16,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-28 19:00:16,424 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:16,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:16,494 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:16,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:16,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:16,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:16,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:16,495 INFO L87 Difference]: Start difference. First operand 146 states and 199 transitions. Second operand 3 states. [2020-07-28 19:00:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:17,007 INFO L93 Difference]: Finished difference Result 233 states and 324 transitions. [2020-07-28 19:00:17,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:17,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-28 19:00:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2020-07-28 19:00:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2020-07-28 19:00:17,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 148 transitions. [2020-07-28 19:00:17,201 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:17,202 INFO L225 Difference]: With dead ends: 233 [2020-07-28 19:00:17,202 INFO L226 Difference]: Without dead ends: 120 [2020-07-28 19:00:17,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:17,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-28 19:00:17,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-28 19:00:17,397 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:17,397 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 120 states. [2020-07-28 19:00:17,397 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-28 19:00:17,397 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-28 19:00:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:17,400 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2020-07-28 19:00:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2020-07-28 19:00:17,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:17,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:17,401 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-28 19:00:17,401 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-28 19:00:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:17,404 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2020-07-28 19:00:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2020-07-28 19:00:17,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:17,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:17,405 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:17,406 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-28 19:00:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 158 transitions. [2020-07-28 19:00:17,409 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 158 transitions. Word has length 57 [2020-07-28 19:00:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:17,409 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 158 transitions. [2020-07-28 19:00:17,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2020-07-28 19:00:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-28 19:00:17,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:17,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:17,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:00:17,624 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1902148334, now seen corresponding path program 1 times [2020-07-28 19:00:17,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:17,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404865363] [2020-07-28 19:00:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:17,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {6244#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {6244#true} is VALID [2020-07-28 19:00:17,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {6244#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {6244#true} is VALID [2020-07-28 19:00:17,717 INFO L280 TraceCheckUtils]: 2: Hoare triple {6244#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; {6244#true} is VALID [2020-07-28 19:00:17,717 INFO L280 TraceCheckUtils]: 3: Hoare triple {6244#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {6244#true} is VALID [2020-07-28 19:00:17,718 INFO L280 TraceCheckUtils]: 4: Hoare triple {6244#true} assume 0 != main_~tmp~0; {6244#true} is VALID [2020-07-28 19:00:17,718 INFO L280 TraceCheckUtils]: 5: Hoare triple {6244#true} ~methAndRunningLastTime~0 := 0; {6244#true} is VALID [2020-07-28 19:00:17,718 INFO L280 TraceCheckUtils]: 6: Hoare triple {6244#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6244#true} is VALID [2020-07-28 19:00:17,719 INFO L280 TraceCheckUtils]: 7: Hoare triple {6244#true} assume !false; {6244#true} is VALID [2020-07-28 19:00:17,719 INFO L280 TraceCheckUtils]: 8: Hoare triple {6244#true} assume test_~splverifierCounter~0 < 4; {6244#true} is VALID [2020-07-28 19:00:17,719 INFO L280 TraceCheckUtils]: 9: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {6244#true} is VALID [2020-07-28 19:00:17,722 INFO L280 TraceCheckUtils]: 10: Hoare triple {6244#true} assume 0 != test_~tmp~6; {6244#true} is VALID [2020-07-28 19:00:17,723 INFO L280 TraceCheckUtils]: 11: Hoare triple {6244#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {6244#true} is VALID [2020-07-28 19:00:17,723 INFO L280 TraceCheckUtils]: 12: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {6244#true} is VALID [2020-07-28 19:00:17,723 INFO L280 TraceCheckUtils]: 13: Hoare triple {6244#true} assume !(0 != test_~tmp___0~3); {6244#true} is VALID [2020-07-28 19:00:17,723 INFO L280 TraceCheckUtils]: 14: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6244#true} is VALID [2020-07-28 19:00:17,726 INFO L280 TraceCheckUtils]: 15: Hoare triple {6244#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6246#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:17,726 INFO L280 TraceCheckUtils]: 16: Hoare triple {6246#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {6246#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:00:17,726 INFO L280 TraceCheckUtils]: 17: Hoare triple {6246#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6244#true} is VALID [2020-07-28 19:00:17,726 INFO L280 TraceCheckUtils]: 18: Hoare triple {6244#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6244#true} is VALID [2020-07-28 19:00:17,727 INFO L280 TraceCheckUtils]: 19: Hoare triple {6244#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {6244#true} is VALID [2020-07-28 19:00:17,727 INFO L280 TraceCheckUtils]: 20: Hoare triple {6244#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {6244#true} is VALID [2020-07-28 19:00:17,727 INFO L280 TraceCheckUtils]: 21: Hoare triple {6244#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {6244#true} is VALID [2020-07-28 19:00:17,727 INFO L280 TraceCheckUtils]: 22: Hoare triple {6244#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {6244#true} is VALID [2020-07-28 19:00:17,730 INFO L280 TraceCheckUtils]: 23: Hoare triple {6244#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {6244#true} is VALID [2020-07-28 19:00:17,730 INFO L280 TraceCheckUtils]: 24: Hoare triple {6244#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 25: Hoare triple {6244#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 26: Hoare triple {6244#true} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 27: Hoare triple {6244#true} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 28: Hoare triple {6244#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 29: Hoare triple {6244#true} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {6244#true} is VALID [2020-07-28 19:00:17,731 INFO L280 TraceCheckUtils]: 30: Hoare triple {6244#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 31: Hoare triple {6244#true} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 32: Hoare triple {6244#true} assume !false; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 33: Hoare triple {6244#true} assume test_~splverifierCounter~0 < 4; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 34: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 35: Hoare triple {6244#true} assume !(0 != test_~tmp~6); {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 36: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {6244#true} is VALID [2020-07-28 19:00:17,732 INFO L280 TraceCheckUtils]: 37: Hoare triple {6244#true} assume !(0 != test_~tmp___0~3); {6244#true} is VALID [2020-07-28 19:00:17,733 INFO L280 TraceCheckUtils]: 38: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6244#true} is VALID [2020-07-28 19:00:17,733 INFO L280 TraceCheckUtils]: 39: Hoare triple {6244#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6244#true} is VALID [2020-07-28 19:00:17,733 INFO L280 TraceCheckUtils]: 40: Hoare triple {6244#true} assume 0 != ~pumpRunning~0; {6244#true} is VALID [2020-07-28 19:00:17,734 INFO L280 TraceCheckUtils]: 41: Hoare triple {6244#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6244#true} is VALID [2020-07-28 19:00:17,734 INFO L280 TraceCheckUtils]: 42: Hoare triple {6244#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6244#true} is VALID [2020-07-28 19:00:17,735 INFO L280 TraceCheckUtils]: 43: Hoare triple {6244#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {6244#true} is VALID [2020-07-28 19:00:17,735 INFO L280 TraceCheckUtils]: 44: Hoare triple {6244#true} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {6244#true} is VALID [2020-07-28 19:00:17,735 INFO L280 TraceCheckUtils]: 45: Hoare triple {6244#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~2 := 1; {6247#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} is VALID [2020-07-28 19:00:17,736 INFO L280 TraceCheckUtils]: 46: Hoare triple {6247#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {6248#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:00:17,737 INFO L280 TraceCheckUtils]: 47: Hoare triple {6248#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {6249#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~3))} is VALID [2020-07-28 19:00:17,737 INFO L280 TraceCheckUtils]: 48: Hoare triple {6249#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~3))} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6245#false} is VALID [2020-07-28 19:00:17,737 INFO L280 TraceCheckUtils]: 49: Hoare triple {6245#false} assume !(0 == ~pumpRunning~0); {6245#false} is VALID [2020-07-28 19:00:17,737 INFO L280 TraceCheckUtils]: 50: Hoare triple {6245#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 51: Hoare triple {6245#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 52: Hoare triple {6245#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 53: Hoare triple {6245#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 54: Hoare triple {6245#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 55: Hoare triple {6245#false} assume 0 != ~methAndRunningLastTime~0; {6245#false} is VALID [2020-07-28 19:00:17,738 INFO L280 TraceCheckUtils]: 56: Hoare triple {6245#false} assume !false; {6245#false} is VALID [2020-07-28 19:00:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-28 19:00:17,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404865363] [2020-07-28 19:00:17,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274464666] [2020-07-28 19:00:17,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:00:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:17,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:00:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:17,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:00:18,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {6244#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {6244#true} is VALID [2020-07-28 19:00:18,038 INFO L280 TraceCheckUtils]: 1: Hoare triple {6244#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {6244#true} is VALID [2020-07-28 19:00:18,039 INFO L280 TraceCheckUtils]: 2: Hoare triple {6244#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; {6244#true} is VALID [2020-07-28 19:00:18,039 INFO L280 TraceCheckUtils]: 3: Hoare triple {6244#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {6244#true} is VALID [2020-07-28 19:00:18,039 INFO L280 TraceCheckUtils]: 4: Hoare triple {6244#true} assume 0 != main_~tmp~0; {6244#true} is VALID [2020-07-28 19:00:18,039 INFO L280 TraceCheckUtils]: 5: Hoare triple {6244#true} ~methAndRunningLastTime~0 := 0; {6244#true} is VALID [2020-07-28 19:00:18,039 INFO L280 TraceCheckUtils]: 6: Hoare triple {6244#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6244#true} is VALID [2020-07-28 19:00:18,040 INFO L280 TraceCheckUtils]: 7: Hoare triple {6244#true} assume !false; {6244#true} is VALID [2020-07-28 19:00:18,040 INFO L280 TraceCheckUtils]: 8: Hoare triple {6244#true} assume test_~splverifierCounter~0 < 4; {6244#true} is VALID [2020-07-28 19:00:18,040 INFO L280 TraceCheckUtils]: 9: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {6244#true} is VALID [2020-07-28 19:00:18,040 INFO L280 TraceCheckUtils]: 10: Hoare triple {6244#true} assume 0 != test_~tmp~6; {6244#true} is VALID [2020-07-28 19:00:18,041 INFO L280 TraceCheckUtils]: 11: Hoare triple {6244#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {6244#true} is VALID [2020-07-28 19:00:18,041 INFO L280 TraceCheckUtils]: 12: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {6244#true} is VALID [2020-07-28 19:00:18,041 INFO L280 TraceCheckUtils]: 13: Hoare triple {6244#true} assume !(0 != test_~tmp___0~3); {6244#true} is VALID [2020-07-28 19:00:18,041 INFO L280 TraceCheckUtils]: 14: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6244#true} is VALID [2020-07-28 19:00:18,041 INFO L280 TraceCheckUtils]: 15: Hoare triple {6244#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6244#true} is VALID [2020-07-28 19:00:18,042 INFO L280 TraceCheckUtils]: 16: Hoare triple {6244#true} assume !(0 != ~pumpRunning~0); {6244#true} is VALID [2020-07-28 19:00:18,042 INFO L280 TraceCheckUtils]: 17: Hoare triple {6244#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6244#true} is VALID [2020-07-28 19:00:18,042 INFO L280 TraceCheckUtils]: 18: Hoare triple {6244#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6244#true} is VALID [2020-07-28 19:00:18,043 INFO L280 TraceCheckUtils]: 19: Hoare triple {6244#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {6244#true} is VALID [2020-07-28 19:00:18,043 INFO L280 TraceCheckUtils]: 20: Hoare triple {6244#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {6244#true} is VALID [2020-07-28 19:00:18,043 INFO L280 TraceCheckUtils]: 21: Hoare triple {6244#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {6244#true} is VALID [2020-07-28 19:00:18,043 INFO L280 TraceCheckUtils]: 22: Hoare triple {6244#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {6244#true} is VALID [2020-07-28 19:00:18,044 INFO L280 TraceCheckUtils]: 23: Hoare triple {6244#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {6244#true} is VALID [2020-07-28 19:00:18,044 INFO L280 TraceCheckUtils]: 24: Hoare triple {6244#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {6244#true} is VALID [2020-07-28 19:00:18,044 INFO L280 TraceCheckUtils]: 25: Hoare triple {6244#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {6244#true} is VALID [2020-07-28 19:00:18,044 INFO L280 TraceCheckUtils]: 26: Hoare triple {6244#true} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6244#true} is VALID [2020-07-28 19:00:18,044 INFO L280 TraceCheckUtils]: 27: Hoare triple {6244#true} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {6244#true} is VALID [2020-07-28 19:00:18,045 INFO L280 TraceCheckUtils]: 28: Hoare triple {6244#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {6244#true} is VALID [2020-07-28 19:00:18,045 INFO L280 TraceCheckUtils]: 29: Hoare triple {6244#true} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {6244#true} is VALID [2020-07-28 19:00:18,045 INFO L280 TraceCheckUtils]: 30: Hoare triple {6244#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {6244#true} is VALID [2020-07-28 19:00:18,045 INFO L280 TraceCheckUtils]: 31: Hoare triple {6244#true} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {6244#true} is VALID [2020-07-28 19:00:18,045 INFO L280 TraceCheckUtils]: 32: Hoare triple {6244#true} assume !false; {6244#true} is VALID [2020-07-28 19:00:18,046 INFO L280 TraceCheckUtils]: 33: Hoare triple {6244#true} assume test_~splverifierCounter~0 < 4; {6244#true} is VALID [2020-07-28 19:00:18,046 INFO L280 TraceCheckUtils]: 34: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {6244#true} is VALID [2020-07-28 19:00:18,046 INFO L280 TraceCheckUtils]: 35: Hoare triple {6244#true} assume !(0 != test_~tmp~6); {6244#true} is VALID [2020-07-28 19:00:18,046 INFO L280 TraceCheckUtils]: 36: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {6244#true} is VALID [2020-07-28 19:00:18,046 INFO L280 TraceCheckUtils]: 37: Hoare triple {6244#true} assume !(0 != test_~tmp___0~3); {6244#true} is VALID [2020-07-28 19:00:18,047 INFO L280 TraceCheckUtils]: 38: Hoare triple {6244#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6244#true} is VALID [2020-07-28 19:00:18,047 INFO L280 TraceCheckUtils]: 39: Hoare triple {6244#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6244#true} is VALID [2020-07-28 19:00:18,047 INFO L280 TraceCheckUtils]: 40: Hoare triple {6244#true} assume 0 != ~pumpRunning~0; {6244#true} is VALID [2020-07-28 19:00:18,047 INFO L280 TraceCheckUtils]: 41: Hoare triple {6244#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6244#true} is VALID [2020-07-28 19:00:18,047 INFO L280 TraceCheckUtils]: 42: Hoare triple {6244#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6244#true} is VALID [2020-07-28 19:00:18,048 INFO L280 TraceCheckUtils]: 43: Hoare triple {6244#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {6244#true} is VALID [2020-07-28 19:00:18,048 INFO L280 TraceCheckUtils]: 44: Hoare triple {6244#true} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {6244#true} is VALID [2020-07-28 19:00:18,049 INFO L280 TraceCheckUtils]: 45: Hoare triple {6244#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~2 := 1; {6388#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} is VALID [2020-07-28 19:00:18,050 INFO L280 TraceCheckUtils]: 46: Hoare triple {6388#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {6392#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:00:18,051 INFO L280 TraceCheckUtils]: 47: Hoare triple {6392#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {6396#(<= 1 ULTIMATE.start_processEnvironment_~tmp~3)} is VALID [2020-07-28 19:00:18,052 INFO L280 TraceCheckUtils]: 48: Hoare triple {6396#(<= 1 ULTIMATE.start_processEnvironment_~tmp~3)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6245#false} is VALID [2020-07-28 19:00:18,052 INFO L280 TraceCheckUtils]: 49: Hoare triple {6245#false} assume !(0 == ~pumpRunning~0); {6245#false} is VALID [2020-07-28 19:00:18,053 INFO L280 TraceCheckUtils]: 50: Hoare triple {6245#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6245#false} is VALID [2020-07-28 19:00:18,053 INFO L280 TraceCheckUtils]: 51: Hoare triple {6245#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {6245#false} is VALID [2020-07-28 19:00:18,053 INFO L280 TraceCheckUtils]: 52: Hoare triple {6245#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {6245#false} is VALID [2020-07-28 19:00:18,053 INFO L280 TraceCheckUtils]: 53: Hoare triple {6245#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {6245#false} is VALID [2020-07-28 19:00:18,053 INFO L280 TraceCheckUtils]: 54: Hoare triple {6245#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {6245#false} is VALID [2020-07-28 19:00:18,054 INFO L280 TraceCheckUtils]: 55: Hoare triple {6245#false} assume 0 != ~methAndRunningLastTime~0; {6245#false} is VALID [2020-07-28 19:00:18,054 INFO L280 TraceCheckUtils]: 56: Hoare triple {6245#false} assume !false; {6245#false} is VALID [2020-07-28 19:00:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:00:18,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:00:18,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 19:00:18,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877585793] [2020-07-28 19:00:18,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-28 19:00:18,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:18,061 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:18,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:18,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:18,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:18,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:18,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:00:18,122 INFO L87 Difference]: Start difference. First operand 120 states and 158 transitions. Second operand 5 states. [2020-07-28 19:00:18,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:18,981 INFO L93 Difference]: Finished difference Result 298 states and 403 transitions. [2020-07-28 19:00:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:00:18,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-28 19:00:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2020-07-28 19:00:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2020-07-28 19:00:18,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 182 transitions. [2020-07-28 19:00:19,224 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 182 edges. 182 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:19,229 INFO L225 Difference]: With dead ends: 298 [2020-07-28 19:00:19,230 INFO L226 Difference]: Without dead ends: 211 [2020-07-28 19:00:19,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:00:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-28 19:00:19,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 123. [2020-07-28 19:00:19,447 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:19,448 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand 123 states. [2020-07-28 19:00:19,448 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand 123 states. [2020-07-28 19:00:19,448 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 123 states. [2020-07-28 19:00:19,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:19,454 INFO L93 Difference]: Finished difference Result 211 states and 282 transitions. [2020-07-28 19:00:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-28 19:00:19,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:19,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:19,455 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 211 states. [2020-07-28 19:00:19,456 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 211 states. [2020-07-28 19:00:19,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:19,461 INFO L93 Difference]: Finished difference Result 211 states and 282 transitions. [2020-07-28 19:00:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-28 19:00:19,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:19,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:19,463 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:19,463 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-28 19:00:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 161 transitions. [2020-07-28 19:00:19,466 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 161 transitions. Word has length 57 [2020-07-28 19:00:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:19,466 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 161 transitions. [2020-07-28 19:00:19,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2020-07-28 19:00:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-28 19:00:19,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:19,468 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:19,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:00:19,683 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:19,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:19,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2134653524, now seen corresponding path program 1 times [2020-07-28 19:00:19,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:19,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598782365] [2020-07-28 19:00:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:19,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {7432#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,814 INFO L280 TraceCheckUtils]: 1: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,815 INFO L280 TraceCheckUtils]: 2: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 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; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,816 INFO L280 TraceCheckUtils]: 3: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,817 INFO L280 TraceCheckUtils]: 4: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != main_~tmp~0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,818 INFO L280 TraceCheckUtils]: 5: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} ~methAndRunningLastTime~0 := 0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,818 INFO L280 TraceCheckUtils]: 6: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,819 INFO L280 TraceCheckUtils]: 7: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !false; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume test_~splverifierCounter~0 < 4; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,821 INFO L280 TraceCheckUtils]: 9: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,821 INFO L280 TraceCheckUtils]: 10: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp~6; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,822 INFO L280 TraceCheckUtils]: 11: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,823 INFO L280 TraceCheckUtils]: 12: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,824 INFO L280 TraceCheckUtils]: 13: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp___0~3); {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,825 INFO L280 TraceCheckUtils]: 14: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,826 INFO L280 TraceCheckUtils]: 15: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0); {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,827 INFO L280 TraceCheckUtils]: 17: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,828 INFO L280 TraceCheckUtils]: 18: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,829 INFO L280 TraceCheckUtils]: 20: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,830 INFO L280 TraceCheckUtils]: 21: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,831 INFO L280 TraceCheckUtils]: 22: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,831 INFO L280 TraceCheckUtils]: 23: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,832 INFO L280 TraceCheckUtils]: 24: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,833 INFO L280 TraceCheckUtils]: 25: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:19,834 INFO L280 TraceCheckUtils]: 26: Hoare triple {7434#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {7435#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 19:00:19,835 INFO L280 TraceCheckUtils]: 27: Hoare triple {7435#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {7436#(and (< 0 (+ ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 1)) (<= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0))} is VALID [2020-07-28 19:00:19,836 INFO L280 TraceCheckUtils]: 28: Hoare triple {7436#(and (< 0 (+ ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 1)) (<= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {7433#false} is VALID [2020-07-28 19:00:19,836 INFO L280 TraceCheckUtils]: 29: Hoare triple {7433#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {7433#false} is VALID [2020-07-28 19:00:19,836 INFO L280 TraceCheckUtils]: 30: Hoare triple {7433#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {7433#false} is VALID [2020-07-28 19:00:19,836 INFO L280 TraceCheckUtils]: 31: Hoare triple {7433#false} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {7433#false} is VALID [2020-07-28 19:00:19,836 INFO L280 TraceCheckUtils]: 32: Hoare triple {7433#false} assume !false; {7433#false} is VALID [2020-07-28 19:00:19,837 INFO L280 TraceCheckUtils]: 33: Hoare triple {7433#false} assume test_~splverifierCounter~0 < 4; {7433#false} is VALID [2020-07-28 19:00:19,837 INFO L280 TraceCheckUtils]: 34: Hoare triple {7433#false} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {7433#false} is VALID [2020-07-28 19:00:19,837 INFO L280 TraceCheckUtils]: 35: Hoare triple {7433#false} assume !(0 != test_~tmp~6); {7433#false} is VALID [2020-07-28 19:00:19,837 INFO L280 TraceCheckUtils]: 36: Hoare triple {7433#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {7433#false} is VALID [2020-07-28 19:00:19,837 INFO L280 TraceCheckUtils]: 37: Hoare triple {7433#false} assume !(0 != test_~tmp___0~3); {7433#false} is VALID [2020-07-28 19:00:19,838 INFO L280 TraceCheckUtils]: 38: Hoare triple {7433#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {7433#false} is VALID [2020-07-28 19:00:19,838 INFO L280 TraceCheckUtils]: 39: Hoare triple {7433#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7433#false} is VALID [2020-07-28 19:00:19,838 INFO L280 TraceCheckUtils]: 40: Hoare triple {7433#false} assume 0 != ~pumpRunning~0; {7433#false} is VALID [2020-07-28 19:00:19,838 INFO L280 TraceCheckUtils]: 41: Hoare triple {7433#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {7433#false} is VALID [2020-07-28 19:00:19,838 INFO L280 TraceCheckUtils]: 42: Hoare triple {7433#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {7433#false} is VALID [2020-07-28 19:00:19,839 INFO L280 TraceCheckUtils]: 43: Hoare triple {7433#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {7433#false} is VALID [2020-07-28 19:00:19,839 INFO L280 TraceCheckUtils]: 44: Hoare triple {7433#false} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {7433#false} is VALID [2020-07-28 19:00:19,839 INFO L280 TraceCheckUtils]: 45: Hoare triple {7433#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {7433#false} is VALID [2020-07-28 19:00:19,839 INFO L280 TraceCheckUtils]: 46: Hoare triple {7433#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {7433#false} is VALID [2020-07-28 19:00:19,839 INFO L280 TraceCheckUtils]: 47: Hoare triple {7433#false} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {7433#false} is VALID [2020-07-28 19:00:19,840 INFO L280 TraceCheckUtils]: 48: Hoare triple {7433#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {7433#false} is VALID [2020-07-28 19:00:19,840 INFO L280 TraceCheckUtils]: 49: Hoare triple {7433#false} assume !(0 == ~pumpRunning~0); {7433#false} is VALID [2020-07-28 19:00:19,840 INFO L280 TraceCheckUtils]: 50: Hoare triple {7433#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {7433#false} is VALID [2020-07-28 19:00:19,840 INFO L280 TraceCheckUtils]: 51: Hoare triple {7433#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {7433#false} is VALID [2020-07-28 19:00:19,840 INFO L280 TraceCheckUtils]: 52: Hoare triple {7433#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {7433#false} is VALID [2020-07-28 19:00:19,841 INFO L280 TraceCheckUtils]: 53: Hoare triple {7433#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {7433#false} is VALID [2020-07-28 19:00:19,841 INFO L280 TraceCheckUtils]: 54: Hoare triple {7433#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {7433#false} is VALID [2020-07-28 19:00:19,841 INFO L280 TraceCheckUtils]: 55: Hoare triple {7433#false} assume 0 != ~methAndRunningLastTime~0; {7433#false} is VALID [2020-07-28 19:00:19,841 INFO L280 TraceCheckUtils]: 56: Hoare triple {7433#false} assume !false; {7433#false} is VALID [2020-07-28 19:00:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:00:19,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598782365] [2020-07-28 19:00:19,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:19,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:00:19,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58540769] [2020-07-28 19:00:19,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-28 19:00:19,848 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:19,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:19,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:19,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:19,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:19,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:19,933 INFO L87 Difference]: Start difference. First operand 123 states and 161 transitions. Second operand 5 states. [2020-07-28 19:00:21,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:21,857 INFO L93 Difference]: Finished difference Result 570 states and 742 transitions. [2020-07-28 19:00:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 19:00:21,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-28 19:00:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 304 transitions. [2020-07-28 19:00:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 304 transitions. [2020-07-28 19:00:21,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 304 transitions. [2020-07-28 19:00:22,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 304 edges. 304 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:22,247 INFO L225 Difference]: With dead ends: 570 [2020-07-28 19:00:22,247 INFO L226 Difference]: Without dead ends: 454 [2020-07-28 19:00:22,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:00:22,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-28 19:00:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 203. [2020-07-28 19:00:22,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:22,706 INFO L82 GeneralOperation]: Start isEquivalent. First operand 454 states. Second operand 203 states. [2020-07-28 19:00:22,706 INFO L74 IsIncluded]: Start isIncluded. First operand 454 states. Second operand 203 states. [2020-07-28 19:00:22,706 INFO L87 Difference]: Start difference. First operand 454 states. Second operand 203 states. [2020-07-28 19:00:22,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:22,724 INFO L93 Difference]: Finished difference Result 454 states and 579 transitions. [2020-07-28 19:00:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 579 transitions. [2020-07-28 19:00:22,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:22,725 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:22,725 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand 454 states. [2020-07-28 19:00:22,725 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 454 states. [2020-07-28 19:00:22,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:22,741 INFO L93 Difference]: Finished difference Result 454 states and 579 transitions. [2020-07-28 19:00:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 579 transitions. [2020-07-28 19:00:22,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:22,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:22,743 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:22,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-28 19:00:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-07-28 19:00:22,748 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 57 [2020-07-28 19:00:22,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:22,748 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-07-28 19:00:22,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-07-28 19:00:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-28 19:00:22,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:22,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:22,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:00:22,750 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:22,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:22,751 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2020-07-28 19:00:22,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:22,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202377310] [2020-07-28 19:00:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:22,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {9425#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {9427#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,885 INFO L280 TraceCheckUtils]: 2: Hoare triple {9427#(= 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; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,886 INFO L280 TraceCheckUtils]: 3: Hoare triple {9427#(= 1 ~waterLevel~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,886 INFO L280 TraceCheckUtils]: 4: Hoare triple {9427#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,887 INFO L280 TraceCheckUtils]: 5: Hoare triple {9427#(= 1 ~waterLevel~0)} ~methAndRunningLastTime~0 := 0; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,887 INFO L280 TraceCheckUtils]: 6: Hoare triple {9427#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,888 INFO L280 TraceCheckUtils]: 7: Hoare triple {9427#(= 1 ~waterLevel~0)} assume !false; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,888 INFO L280 TraceCheckUtils]: 8: Hoare triple {9427#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,889 INFO L280 TraceCheckUtils]: 9: Hoare triple {9427#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,890 INFO L280 TraceCheckUtils]: 10: Hoare triple {9427#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {9427#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {9427#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,891 INFO L280 TraceCheckUtils]: 12: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,891 INFO L280 TraceCheckUtils]: 13: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,892 INFO L280 TraceCheckUtils]: 14: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,893 INFO L280 TraceCheckUtils]: 15: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,893 INFO L280 TraceCheckUtils]: 16: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,894 INFO L280 TraceCheckUtils]: 17: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,894 INFO L280 TraceCheckUtils]: 18: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,895 INFO L280 TraceCheckUtils]: 19: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,895 INFO L280 TraceCheckUtils]: 20: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,896 INFO L280 TraceCheckUtils]: 21: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,897 INFO L280 TraceCheckUtils]: 22: Hoare triple {9428#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,897 INFO L280 TraceCheckUtils]: 23: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,898 INFO L280 TraceCheckUtils]: 24: Hoare triple {9428#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,898 INFO L280 TraceCheckUtils]: 25: Hoare triple {9428#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,899 INFO L280 TraceCheckUtils]: 26: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,899 INFO L280 TraceCheckUtils]: 27: Hoare triple {9428#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,900 INFO L280 TraceCheckUtils]: 28: Hoare triple {9428#(<= 2 ~waterLevel~0)} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,901 INFO L280 TraceCheckUtils]: 29: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,901 INFO L280 TraceCheckUtils]: 30: Hoare triple {9428#(<= 2 ~waterLevel~0)} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,902 INFO L280 TraceCheckUtils]: 31: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,902 INFO L280 TraceCheckUtils]: 32: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,903 INFO L280 TraceCheckUtils]: 33: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !false; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,903 INFO L280 TraceCheckUtils]: 34: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,904 INFO L280 TraceCheckUtils]: 35: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,904 INFO L280 TraceCheckUtils]: 36: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,905 INFO L280 TraceCheckUtils]: 37: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,905 INFO L280 TraceCheckUtils]: 38: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,906 INFO L280 TraceCheckUtils]: 39: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,907 INFO L280 TraceCheckUtils]: 40: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,907 INFO L280 TraceCheckUtils]: 41: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:22,908 INFO L280 TraceCheckUtils]: 42: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {9429#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:00:22,908 INFO L280 TraceCheckUtils]: 43: Hoare triple {9429#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {9429#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:00:22,909 INFO L280 TraceCheckUtils]: 44: Hoare triple {9429#(not (= 0 ~waterLevel~0))} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {9430#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} is VALID [2020-07-28 19:00:22,910 INFO L280 TraceCheckUtils]: 45: Hoare triple {9430#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {9431#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} is VALID [2020-07-28 19:00:22,910 INFO L280 TraceCheckUtils]: 46: Hoare triple {9431#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {9426#false} is VALID [2020-07-28 19:00:22,911 INFO L280 TraceCheckUtils]: 47: Hoare triple {9426#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {9426#false} is VALID [2020-07-28 19:00:22,911 INFO L280 TraceCheckUtils]: 48: Hoare triple {9426#false} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {9426#false} is VALID [2020-07-28 19:00:22,911 INFO L280 TraceCheckUtils]: 49: Hoare triple {9426#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {9426#false} is VALID [2020-07-28 19:00:22,911 INFO L280 TraceCheckUtils]: 50: Hoare triple {9426#false} assume !(0 == ~pumpRunning~0); {9426#false} is VALID [2020-07-28 19:00:22,911 INFO L280 TraceCheckUtils]: 51: Hoare triple {9426#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {9426#false} is VALID [2020-07-28 19:00:22,912 INFO L280 TraceCheckUtils]: 52: Hoare triple {9426#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {9426#false} is VALID [2020-07-28 19:00:22,912 INFO L280 TraceCheckUtils]: 53: Hoare triple {9426#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {9426#false} is VALID [2020-07-28 19:00:22,912 INFO L280 TraceCheckUtils]: 54: Hoare triple {9426#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {9426#false} is VALID [2020-07-28 19:00:22,912 INFO L280 TraceCheckUtils]: 55: Hoare triple {9426#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {9426#false} is VALID [2020-07-28 19:00:22,912 INFO L280 TraceCheckUtils]: 56: Hoare triple {9426#false} assume 0 != ~methAndRunningLastTime~0; {9426#false} is VALID [2020-07-28 19:00:22,913 INFO L280 TraceCheckUtils]: 57: Hoare triple {9426#false} assume !false; {9426#false} is VALID [2020-07-28 19:00:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:00:22,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202377310] [2020-07-28 19:00:22,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745481291] [2020-07-28 19:00:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:00:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:23,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 19:00:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:23,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:00:23,153 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 19:00:23,179 INFO L280 TraceCheckUtils]: 0: Hoare triple {9425#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {9425#true} is VALID [2020-07-28 19:00:23,179 INFO L280 TraceCheckUtils]: 1: Hoare triple {9425#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {9425#true} is VALID [2020-07-28 19:00:23,179 INFO L280 TraceCheckUtils]: 2: Hoare triple {9425#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; {9425#true} is VALID [2020-07-28 19:00:23,179 INFO L280 TraceCheckUtils]: 3: Hoare triple {9425#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {9425#true} is VALID [2020-07-28 19:00:23,179 INFO L280 TraceCheckUtils]: 4: Hoare triple {9425#true} assume 0 != main_~tmp~0; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 5: Hoare triple {9425#true} ~methAndRunningLastTime~0 := 0; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 6: Hoare triple {9425#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 7: Hoare triple {9425#true} assume !false; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 8: Hoare triple {9425#true} assume test_~splverifierCounter~0 < 4; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 9: Hoare triple {9425#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {9425#true} assume 0 != test_~tmp~6; {9425#true} is VALID [2020-07-28 19:00:23,180 INFO L280 TraceCheckUtils]: 11: Hoare triple {9425#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {9425#true} is VALID [2020-07-28 19:00:23,181 INFO L280 TraceCheckUtils]: 12: Hoare triple {9425#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {9425#true} is VALID [2020-07-28 19:00:23,181 INFO L280 TraceCheckUtils]: 13: Hoare triple {9425#true} assume 0 != test_~tmp___0~3; {9425#true} is VALID [2020-07-28 19:00:23,181 INFO L280 TraceCheckUtils]: 14: Hoare triple {9425#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {9425#true} is VALID [2020-07-28 19:00:23,181 INFO L280 TraceCheckUtils]: 15: Hoare triple {9425#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {9425#true} is VALID [2020-07-28 19:00:23,181 INFO L280 TraceCheckUtils]: 16: Hoare triple {9425#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {9425#true} is VALID [2020-07-28 19:00:23,182 INFO L280 TraceCheckUtils]: 17: Hoare triple {9425#true} assume !(0 != ~pumpRunning~0); {9425#true} is VALID [2020-07-28 19:00:23,182 INFO L280 TraceCheckUtils]: 18: Hoare triple {9425#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {9425#true} is VALID [2020-07-28 19:00:23,182 INFO L280 TraceCheckUtils]: 19: Hoare triple {9425#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {9425#true} is VALID [2020-07-28 19:00:23,182 INFO L280 TraceCheckUtils]: 20: Hoare triple {9425#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {9425#true} is VALID [2020-07-28 19:00:23,183 INFO L280 TraceCheckUtils]: 21: Hoare triple {9425#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,184 INFO L280 TraceCheckUtils]: 22: Hoare triple {9428#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,184 INFO L280 TraceCheckUtils]: 23: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,185 INFO L280 TraceCheckUtils]: 24: Hoare triple {9428#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,185 INFO L280 TraceCheckUtils]: 25: Hoare triple {9428#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,186 INFO L280 TraceCheckUtils]: 26: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,186 INFO L280 TraceCheckUtils]: 27: Hoare triple {9428#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,187 INFO L280 TraceCheckUtils]: 28: Hoare triple {9428#(<= 2 ~waterLevel~0)} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,188 INFO L280 TraceCheckUtils]: 29: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,188 INFO L280 TraceCheckUtils]: 30: Hoare triple {9428#(<= 2 ~waterLevel~0)} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,189 INFO L280 TraceCheckUtils]: 31: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,189 INFO L280 TraceCheckUtils]: 32: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,190 INFO L280 TraceCheckUtils]: 33: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !false; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,190 INFO L280 TraceCheckUtils]: 34: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,191 INFO L280 TraceCheckUtils]: 35: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,192 INFO L280 TraceCheckUtils]: 36: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,192 INFO L280 TraceCheckUtils]: 37: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,193 INFO L280 TraceCheckUtils]: 38: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,193 INFO L280 TraceCheckUtils]: 39: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,194 INFO L280 TraceCheckUtils]: 40: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,194 INFO L280 TraceCheckUtils]: 41: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {9428#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,195 INFO L280 TraceCheckUtils]: 42: Hoare triple {9428#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {9561#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,196 INFO L280 TraceCheckUtils]: 43: Hoare triple {9561#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {9561#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:23,197 INFO L280 TraceCheckUtils]: 44: Hoare triple {9561#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {9430#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} is VALID [2020-07-28 19:00:23,197 INFO L280 TraceCheckUtils]: 45: Hoare triple {9430#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {9431#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} is VALID [2020-07-28 19:00:23,198 INFO L280 TraceCheckUtils]: 46: Hoare triple {9431#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {9426#false} is VALID [2020-07-28 19:00:23,198 INFO L280 TraceCheckUtils]: 47: Hoare triple {9426#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 48: Hoare triple {9426#false} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 49: Hoare triple {9426#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 50: Hoare triple {9426#false} assume !(0 == ~pumpRunning~0); {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 51: Hoare triple {9426#false} havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 52: Hoare triple {9426#false} __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret2 && __utac_acc__Specification2_spec__2_#t~ret2 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; {9426#false} is VALID [2020-07-28 19:00:23,199 INFO L280 TraceCheckUtils]: 53: Hoare triple {9426#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {9426#false} is VALID [2020-07-28 19:00:23,200 INFO L280 TraceCheckUtils]: 54: Hoare triple {9426#false} __utac_acc__Specification2_spec__2_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret3 && __utac_acc__Specification2_spec__2_#t~ret3 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret3;havoc __utac_acc__Specification2_spec__2_#t~ret3; {9426#false} is VALID [2020-07-28 19:00:23,200 INFO L280 TraceCheckUtils]: 55: Hoare triple {9426#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {9426#false} is VALID [2020-07-28 19:00:23,200 INFO L280 TraceCheckUtils]: 56: Hoare triple {9426#false} assume 0 != ~methAndRunningLastTime~0; {9426#false} is VALID [2020-07-28 19:00:23,200 INFO L280 TraceCheckUtils]: 57: Hoare triple {9426#false} assume !false; {9426#false} is VALID [2020-07-28 19:00:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:23,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:00:23,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2020-07-28 19:00:23,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383974421] [2020-07-28 19:00:23,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-07-28 19:00:23,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:23,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:00:23,304 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 19:00:23,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:00:23,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:23,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:00:23,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:00:23,306 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-07-28 19:00:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:25,217 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-07-28 19:00:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:00:25,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-07-28 19:00:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 215 transitions. [2020-07-28 19:00:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:00:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 215 transitions. [2020-07-28 19:00:25,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 215 transitions. [2020-07-28 19:00:25,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:25,500 INFO L225 Difference]: With dead ends: 485 [2020-07-28 19:00:25,500 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:00:25,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:00:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:00:25,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:00:25,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:25,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:25,502 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:25,502 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:25,502 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:25,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:25,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:25,503 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:25,503 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:25,503 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:25,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:25,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:25,504 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:25,504 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:00:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:00:25,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-07-28 19:00:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:25,505 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:00:25,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:00:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:25,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:25,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-28 19:00:25,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:00:25,862 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-07-28 19:00:26,177 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2020-07-28 19:00:26,831 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 19 [2020-07-28 19:00:27,100 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 19 [2020-07-28 19:00:27,294 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 21 [2020-07-28 19:00:27,581 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-28 19:00:27,829 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-07-28 19:00:28,053 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-07-28 19:00:28,202 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-07-28 19:00:28,464 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-28 19:00:28,761 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-07-28 19:00:29,099 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2020-07-28 19:00:29,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,110 INFO L264 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: false [2020-07-28 19:00:29,110 INFO L268 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2020-07-28 19:00:29,110 INFO L268 CegarLoopResult]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2020-07-28 19:00:29,110 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2020-07-28 19:00:29,110 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-28 19:00:29,110 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L264 CegarLoopResult]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L264 CegarLoopResult]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L264 CegarLoopResult]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,111 INFO L268 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,112 INFO L268 CegarLoopResult]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2020-07-28 19:00:29,113 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-28 19:00:29,113 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2020-07-28 19:00:29,113 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-07-28 19:00:29,113 INFO L264 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 (<= 0 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 1 ~waterLevel~0) .cse2 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3) (and .cse0 .cse5 .cse1 .cse3 .cse4))) [2020-07-28 19:00:29,113 INFO L264 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2020-07-28 19:00:29,113 INFO L268 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2020-07-28 19:00:29,113 INFO L264 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2020-07-28 19:00:29,114 INFO L268 CegarLoopResult]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2020-07-28 19:00:29,114 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methAndRunningLastTime~0) (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 19:00:29,114 INFO L268 CegarLoopResult]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2020-07-28 19:00:29,116 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-28 19:00:29,116 INFO L264 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (and .cse3 .cse0 .cse1 .cse4 .cse2) (and .cse3 .cse1 .cse4 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2020-07-28 19:00:29,117 INFO L264 CegarLoopResult]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 0 ~methAndRunningLastTime~0) (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,117 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,118 INFO L268 CegarLoopResult]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,118 INFO L268 CegarLoopResult]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,118 INFO L268 CegarLoopResult]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,118 INFO L268 CegarLoopResult]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2020-07-28 19:00:29,121 INFO L264 CegarLoopResult]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and .cse1 (<= 1 ~waterLevel~0) .cse3 (<= 1 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-28 19:00:29,121 INFO L268 CegarLoopResult]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2020-07-28 19:00:29,121 INFO L264 CegarLoopResult]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L271 CegarLoopResult]: At program point L176(lines 157 179) the Hoare annotation is: true [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507(lines 492 510) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse5 (= 1 ~systemActive~0))) (or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4 (= 1 ~waterLevel~0) .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2020-07-28 19:00:29,122 INFO L264 CegarLoopResult]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,123 INFO L268 CegarLoopResult]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L268 CegarLoopResult]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L268 CegarLoopResult]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L268 CegarLoopResult]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L268 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L268 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2020-07-28 19:00:29,124 INFO L264 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 .cse5 .cse2 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3) (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse3 .cse6 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse4 .cse1 .cse3 .cse6))) [2020-07-28 19:00:29,124 INFO L264 CegarLoopResult]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2020-07-28 19:00:29,124 INFO L264 CegarLoopResult]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2020-07-28 19:00:29,125 INFO L268 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,125 INFO L268 CegarLoopResult]: For program point L976-1(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,125 INFO L268 CegarLoopResult]: For program point L976-2(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,125 INFO L264 CegarLoopResult]: At program point L316(lines 307 320) the Hoare annotation is: false [2020-07-28 19:00:29,125 INFO L264 CegarLoopResult]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))) (.cse3 (= 1 ~systemActive~0))) (or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 (<= 1 ~waterLevel~0) .cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3))) [2020-07-28 19:00:29,125 INFO L264 CegarLoopResult]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2020-07-28 19:00:29,125 INFO L264 CegarLoopResult]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2020-07-28 19:00:29,125 INFO L264 CegarLoopResult]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2020-07-28 19:00:29,126 INFO L264 CegarLoopResult]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2020-07-28 19:00:29,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:00:29,126 INFO L268 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2020-07-28 19:00:29,126 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-28 19:00:29,126 INFO L264 CegarLoopResult]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4 (<= 1 ~pumpRunning~0)) (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse4))) [2020-07-28 19:00:29,128 INFO L264 CegarLoopResult]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2020-07-28 19:00:29,128 INFO L264 CegarLoopResult]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2020-07-28 19:00:29,128 INFO L264 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,129 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:00:29,130 INFO L268 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-07-28 19:00:29,130 INFO L264 CegarLoopResult]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 0 ~methAndRunningLastTime~0) (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 19:00:29,130 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-28 19:00:29,130 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-28 19:00:29,130 INFO L264 CegarLoopResult]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (and .cse3 .cse0 .cse1 .cse4 .cse2) (and .cse3 .cse1 .cse4 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:00:29,131 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-28 19:00:29,131 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-28 19:00:29,131 INFO L268 CegarLoopResult]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2020-07-28 19:00:29,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:00:29,131 INFO L264 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0)) [2020-07-28 19:00:29,132 INFO L264 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-07-28 19:00:29,132 INFO L264 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-07-28 19:00:29,132 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-28 19:00:29,132 INFO L264 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-28 19:00:29,132 INFO L264 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0)) [2020-07-28 19:00:29,133 INFO L264 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2020-07-28 19:00:29,133 INFO L264 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-07-28 19:00:29,133 INFO L264 CegarLoopResult]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 0 ~methAndRunningLastTime~0) (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 19:00:29,133 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:00:29,133 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-28 19:00:29,133 INFO L268 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-07-28 19:00:29,134 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2020-07-28 19:00:29,138 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:00:29,138 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:00:29,140 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:00:29,140 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:00:29,140 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:00:29,141 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L341-1 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L341-1 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L341-1 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L551 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L234-3 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L234-3 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L399-1 has no Hoare annotation [2020-07-28 19:00:29,142 WARN L170 areAnnotationChecker]: L559 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L559 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L399-1 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L399-1 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L520-3 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L373-3 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L373-3 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:29,143 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L520-3 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L520-3 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L311-3 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L311-3 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 19:00:29,144 WARN L170 areAnnotationChecker]: L520-5 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L501-9 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L403-1 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L501-9 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L501-9 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-28 19:00:29,145 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:00:29,146 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-28 19:00:29,148 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 19:00:29,148 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L403-1 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L403-1 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L501-11 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L206-2 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L206-2 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-28 19:00:29,149 WARN L170 areAnnotationChecker]: L399 has no Hoare annotation [2020-07-28 19:00:29,152 WARN L170 areAnnotationChecker]: L373-2 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L373-2 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L377-3 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L976-1 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L976-1 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L399 has no Hoare annotation [2020-07-28 19:00:29,153 WARN L170 areAnnotationChecker]: L399 has no Hoare annotation [2020-07-28 19:00:29,156 WARN L170 areAnnotationChecker]: L311-2 has no Hoare annotation [2020-07-28 19:00:29,156 WARN L170 areAnnotationChecker]: L311-2 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L377-3 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L377-3 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L373-1 has no Hoare annotation [2020-07-28 19:00:29,157 WARN L170 areAnnotationChecker]: L373-1 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L501-6 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L234-6 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L234-6 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L399-2 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L311-1 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L311-1 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:29,158 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L501-6 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L501-6 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L399-2 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L399-2 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L520-2 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L501-3 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L501-8 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L520-6 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L373-5 has no Hoare annotation [2020-07-28 19:00:29,159 WARN L170 areAnnotationChecker]: L373-5 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L201-4 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L501-3 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L501-3 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:00:29,160 WARN L170 areAnnotationChecker]: L377-2 has no Hoare annotation [2020-07-28 19:00:29,161 WARN L170 areAnnotationChecker]: L520-6 has no Hoare annotation [2020-07-28 19:00:29,161 WARN L170 areAnnotationChecker]: L520-6 has no Hoare annotation [2020-07-28 19:00:29,161 WARN L170 areAnnotationChecker]: L311-5 has no Hoare annotation [2020-07-28 19:00:29,161 WARN L170 areAnnotationChecker]: L311-5 has no Hoare annotation [2020-07-28 19:00:29,161 WARN L170 areAnnotationChecker]: L201-4 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L201-4 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L501-5 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L377-2 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L377-2 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L520-8 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L501-15 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L205-4 has no Hoare annotation [2020-07-28 19:00:29,162 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L377-1 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L976 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L976 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L403-2 has no Hoare annotation [2020-07-28 19:00:29,163 WARN L170 areAnnotationChecker]: L501-15 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L501-15 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L205-4 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L205-4 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L311 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L311 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L377-1 has no Hoare annotation [2020-07-28 19:00:29,164 WARN L170 areAnnotationChecker]: L377-1 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L403-2 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L403-2 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L501-17 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L206-4 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L206-4 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L373-4 has no Hoare annotation [2020-07-28 19:00:29,165 WARN L170 areAnnotationChecker]: L373-4 has no Hoare annotation [2020-07-28 19:00:29,166 WARN L170 areAnnotationChecker]: L377-5 has no Hoare annotation [2020-07-28 19:00:29,166 WARN L170 areAnnotationChecker]: L976-2 has no Hoare annotation [2020-07-28 19:00:29,166 WARN L170 areAnnotationChecker]: L976-2 has no Hoare annotation [2020-07-28 19:00:29,166 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-28 19:00:29,166 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L311-4 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L311-4 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L377-5 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L377-5 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L501-2 has no Hoare annotation [2020-07-28 19:00:29,167 WARN L170 areAnnotationChecker]: L501-12 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L501-12 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L501-12 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L501-14 has no Hoare annotation [2020-07-28 19:00:29,168 WARN L170 areAnnotationChecker]: L377-4 has no Hoare annotation [2020-07-28 19:00:29,169 WARN L170 areAnnotationChecker]: L377-4 has no Hoare annotation [2020-07-28 19:00:29,169 WARN L170 areAnnotationChecker]: L377-4 has no Hoare annotation [2020-07-28 19:00:29,169 INFO L163 areAnnotationChecker]: CFG has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:00:29,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:00:29 BoogieIcfgContainer [2020-07-28 19:00:29,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:00:29,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:00:29,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:00:29,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:00:29,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:06" (3/4) ... [2020-07-28 19:00:29,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:00:29,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:00:29,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:00:29,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:00:29,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:00:29,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:00:29,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:29,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:00:29,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 1 == systemActive) && 1 <= pumpRunning) && 0 <= methaneLevelCritical)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) [2020-07-28 19:00:29,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && \result <= 0) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 1 <= pumpRunning) && 0 <= methaneLevelCritical)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) [2020-07-28 19:00:29,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) && 1 <= pumpRunning [2020-07-28 19:00:29,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) [2020-07-28 19:00:29,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || ((((((0 == \result && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive) [2020-07-28 19:00:29,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) && 1 <= pumpRunning [2020-07-28 19:00:29,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 0 == tmp) && 1 == systemActive) || (((((((0 == methAndRunningLastTime && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || ((((((2 <= waterLevel && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) [2020-07-28 19:00:29,341 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:00:29,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:00:29,343 INFO L168 Benchmark]: Toolchain (without parser) took 25032.08 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 501.2 MB). Free memory was 958.9 MB in the beginning and 1.3 GB in the end (delta: -371.2 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:29,344 INFO L168 Benchmark]: CDTParser took 0.47 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 19:00:29,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:29,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.02 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 19:00:29,346 INFO L168 Benchmark]: Boogie Preprocessor took 54.78 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 19:00:29,346 INFO L168 Benchmark]: RCFGBuilder took 1601.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.4 MB in the end (delta: 171.3 MB). Peak memory consumption was 171.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:29,347 INFO L168 Benchmark]: TraceAbstraction took 22396.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 352.3 MB). Free memory was 940.4 MB in the beginning and 1.3 GB in the end (delta: -402.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:00:29,347 INFO L168 Benchmark]: Witness Printer took 139.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:00:29,350 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 0.47 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 721.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.78 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 1601.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.4 MB in the end (delta: 171.3 MB). Peak memory consumption was 171.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22396.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 352.3 MB). Free memory was 940.4 MB in the beginning and 1.3 GB in the end (delta: -402.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 139.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: 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: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive) && 1 <= pumpRunning - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methAndRunningLastTime && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && \result <= 0) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 1 <= pumpRunning) && 0 <= methaneLevelCritical)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || ((((((0 == \result && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methAndRunningLastTime && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 1 == systemActive) && 1 <= pumpRunning) && 0 <= methaneLevelCritical)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((0 == methAndRunningLastTime && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) && 1 <= pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 0 == tmp) && 1 == systemActive) || (((((((0 == methAndRunningLastTime && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || ((((((2 <= waterLevel && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1231 SDtfs, 1308 SDslu, 1585 SDs, 0 SdLazy, 210 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 577 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 746 HoareAnnotationTreeSize, 44 FomulaSimplifications, 234407 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14677 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 633 ConstructedInterpolants, 0 QuantifiedInterpolants, 58229 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1267 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 124/133 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...