./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product41.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_spec5_product41.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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:05:26,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:05:26,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:05:26,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:05:26,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:05:26,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:05:26,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:05:26,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:05:26,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:05:26,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:05:26,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:05:26,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:05:26,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:05:26,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:05:26,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:05:26,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:05:26,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:05:26,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:05:26,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:05:26,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:05:26,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:05:26,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:05:26,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:05:26,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:05:26,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:05:26,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:05:26,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:05:26,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:05:26,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:05:26,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:05:26,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:05:26,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:05:26,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:05:26,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:05:26,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:05:26,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:05:26,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:05:26,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:05:26,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:05:26,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:05:26,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:05:26,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:05:26,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:05:26,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:05:26,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:05:26,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:05:26,851 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:05:26,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:05:26,851 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:05:26,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:05:26,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:05:26,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:05:26,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:05:26,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:05:26,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:05:26,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:05:26,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:05:26,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:05:26,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:05:26,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:05:26,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:05:26,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:05:26,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:05:26,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:05:26,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:05:26,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:05:26,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:05:26,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:05:26,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:05:26,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:05:26,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:05:26,856 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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2020-07-28 19:05:27,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:05:27,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:05:27,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:05:27,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:05:27,218 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:05:27,219 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-07-28 19:05:27,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b443d2e/dc3627f7fe3947dcb39ad5bccbb86a24/FLAG6fdae1056 [2020-07-28 19:05:27,824 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:05:27,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-07-28 19:05:27,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b443d2e/dc3627f7fe3947dcb39ad5bccbb86a24/FLAG6fdae1056 [2020-07-28 19:05:28,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b443d2e/dc3627f7fe3947dcb39ad5bccbb86a24 [2020-07-28 19:05:28,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:05:28,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:05:28,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:28,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:05:28,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:05:28,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1569f8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28, skipping insertion in model container [2020-07-28 19:05:28,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:05:28,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:05:28,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:28,702 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:05:28,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:28,859 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:05:28,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28 WrapperNode [2020-07-28 19:05:28,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:28,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:28,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:05:28,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:05:28,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:28,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:05:28,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:05:28,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:05:28,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:28,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:29,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:29,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:29,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (1/1) ... [2020-07-28 19:05:29,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:05:29,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:05:29,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:05:29,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:05:29,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (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 19:05:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:05:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:05:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:05:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:05:30,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:05:30,660 INFO L295 CfgBuilder]: Removed 128 assume(true) statements. [2020-07-28 19:05:30,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:30 BoogieIcfgContainer [2020-07-28 19:05:30,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:05:30,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:05:30,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:05:30,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:05:30,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:05:28" (1/3) ... [2020-07-28 19:05:30,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663000e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:30, skipping insertion in model container [2020-07-28 19:05:30,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:28" (2/3) ... [2020-07-28 19:05:30,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663000e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:30, skipping insertion in model container [2020-07-28 19:05:30,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:30" (3/3) ... [2020-07-28 19:05:30,678 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-07-28 19:05:30,691 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:05:30,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:05:30,718 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:05:30,748 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:05:30,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:05:30,749 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:05:30,749 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:05:30,750 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:05:30,750 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:05:30,751 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:05:30,751 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:05:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-07-28 19:05:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:05:30,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:30,786 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 19:05:30,787 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:30,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:30,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2020-07-28 19:05:30,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:30,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195168678] [2020-07-28 19:05:30,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:31,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {99#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {99#true} is VALID [2020-07-28 19:05:31,130 INFO L280 TraceCheckUtils]: 1: Hoare triple {99#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {99#true} is VALID [2020-07-28 19:05:31,130 INFO L280 TraceCheckUtils]: 2: Hoare triple {99#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {99#true} is VALID [2020-07-28 19:05:31,131 INFO L280 TraceCheckUtils]: 3: Hoare triple {99#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {99#true} is VALID [2020-07-28 19:05:31,132 INFO L280 TraceCheckUtils]: 4: Hoare triple {99#true} assume 0 != main_~tmp~1; {99#true} is VALID [2020-07-28 19:05:31,133 INFO L280 TraceCheckUtils]: 5: Hoare triple {99#true} ~switchedOnBeforeTS~0 := 0; {99#true} is VALID [2020-07-28 19:05:31,133 INFO L280 TraceCheckUtils]: 6: Hoare triple {99#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {99#true} is VALID [2020-07-28 19:05:31,135 INFO L280 TraceCheckUtils]: 7: Hoare triple {99#true} assume false; {100#false} is VALID [2020-07-28 19:05:31,135 INFO L280 TraceCheckUtils]: 8: Hoare triple {100#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {100#false} is VALID [2020-07-28 19:05:31,136 INFO L280 TraceCheckUtils]: 9: Hoare triple {100#false} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {100#false} is VALID [2020-07-28 19:05:31,136 INFO L280 TraceCheckUtils]: 10: Hoare triple {100#false} assume !(0 != ~pumpRunning~0); {100#false} is VALID [2020-07-28 19:05:31,137 INFO L280 TraceCheckUtils]: 11: Hoare triple {100#false} assume !(0 != ~systemActive~0); {100#false} is VALID [2020-07-28 19:05:31,137 INFO L280 TraceCheckUtils]: 12: Hoare triple {100#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {100#false} is VALID [2020-07-28 19:05:31,140 INFO L280 TraceCheckUtils]: 13: Hoare triple {100#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {100#false} is VALID [2020-07-28 19:05:31,141 INFO L280 TraceCheckUtils]: 14: Hoare triple {100#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {100#false} is VALID [2020-07-28 19:05:31,141 INFO L280 TraceCheckUtils]: 15: Hoare triple {100#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {100#false} is VALID [2020-07-28 19:05:31,142 INFO L280 TraceCheckUtils]: 16: Hoare triple {100#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {100#false} is VALID [2020-07-28 19:05:31,142 INFO L280 TraceCheckUtils]: 17: Hoare triple {100#false} assume 0 == ~switchedOnBeforeTS~0; {100#false} is VALID [2020-07-28 19:05:31,145 INFO L280 TraceCheckUtils]: 18: Hoare triple {100#false} assume !false; {100#false} is VALID [2020-07-28 19:05:31,152 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 19:05:31,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195168678] [2020-07-28 19:05:31,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:31,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:31,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854062487] [2020-07-28 19:05:31,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:31,175 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:31,181 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:05:31,240 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 19:05:31,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:05:31,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:31,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:05:31,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:05:31,255 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-07-28 19:05:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:31,513 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2020-07-28 19:05:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:05:31,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:31,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 274 transitions. [2020-07-28 19:05:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 274 transitions. [2020-07-28 19:05:31,537 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 274 transitions. [2020-07-28 19:05:31,916 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 274 edges. 274 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:31,933 INFO L225 Difference]: With dead ends: 185 [2020-07-28 19:05:31,933 INFO L226 Difference]: Without dead ends: 92 [2020-07-28 19:05:31,938 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 19:05:31,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-28 19:05:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-07-28 19:05:32,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:32,000 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 92 states. [2020-07-28 19:05:32,001 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 92 states. [2020-07-28 19:05:32,001 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 92 states. [2020-07-28 19:05:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,009 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-07-28 19:05:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-07-28 19:05:32,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,011 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 92 states. [2020-07-28 19:05:32,012 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 92 states. [2020-07-28 19:05:32,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,019 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-07-28 19:05:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-07-28 19:05:32,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:32,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:05:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-07-28 19:05:32,029 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-07-28 19:05:32,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:32,030 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-07-28 19:05:32,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:05:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-07-28 19:05:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 19:05:32,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:32,032 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] [2020-07-28 19:05:32,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:05:32,032 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:32,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:32,033 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2020-07-28 19:05:32,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:32,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702650634] [2020-07-28 19:05:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:32,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {687#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {687#true} is VALID [2020-07-28 19:05:32,151 INFO L280 TraceCheckUtils]: 1: Hoare triple {687#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {687#true} is VALID [2020-07-28 19:05:32,152 INFO L280 TraceCheckUtils]: 2: Hoare triple {687#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {687#true} is VALID [2020-07-28 19:05:32,152 INFO L280 TraceCheckUtils]: 3: Hoare triple {687#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {687#true} is VALID [2020-07-28 19:05:32,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {687#true} assume 0 != main_~tmp~1; {687#true} is VALID [2020-07-28 19:05:32,153 INFO L280 TraceCheckUtils]: 5: Hoare triple {687#true} ~switchedOnBeforeTS~0 := 0; {687#true} is VALID [2020-07-28 19:05:32,154 INFO L280 TraceCheckUtils]: 6: Hoare triple {687#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {689#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:32,154 INFO L280 TraceCheckUtils]: 7: Hoare triple {689#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {689#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:32,155 INFO L280 TraceCheckUtils]: 8: Hoare triple {689#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {688#false} is VALID [2020-07-28 19:05:32,156 INFO L280 TraceCheckUtils]: 9: Hoare triple {688#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {688#false} is VALID [2020-07-28 19:05:32,156 INFO L280 TraceCheckUtils]: 10: Hoare triple {688#false} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {688#false} is VALID [2020-07-28 19:05:32,156 INFO L280 TraceCheckUtils]: 11: Hoare triple {688#false} assume !(0 != ~pumpRunning~0); {688#false} is VALID [2020-07-28 19:05:32,157 INFO L280 TraceCheckUtils]: 12: Hoare triple {688#false} assume !(0 != ~systemActive~0); {688#false} is VALID [2020-07-28 19:05:32,157 INFO L280 TraceCheckUtils]: 13: Hoare triple {688#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {688#false} is VALID [2020-07-28 19:05:32,157 INFO L280 TraceCheckUtils]: 14: Hoare triple {688#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {688#false} is VALID [2020-07-28 19:05:32,158 INFO L280 TraceCheckUtils]: 15: Hoare triple {688#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {688#false} is VALID [2020-07-28 19:05:32,158 INFO L280 TraceCheckUtils]: 16: Hoare triple {688#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {688#false} is VALID [2020-07-28 19:05:32,158 INFO L280 TraceCheckUtils]: 17: Hoare triple {688#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {688#false} is VALID [2020-07-28 19:05:32,159 INFO L280 TraceCheckUtils]: 18: Hoare triple {688#false} assume 0 == ~switchedOnBeforeTS~0; {688#false} is VALID [2020-07-28 19:05:32,159 INFO L280 TraceCheckUtils]: 19: Hoare triple {688#false} assume !false; {688#false} is VALID [2020-07-28 19:05:32,161 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 19:05:32,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702650634] [2020-07-28 19:05:32,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:32,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:05:32,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212118681] [2020-07-28 19:05:32,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:32,164 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:32,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:32,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:32,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:32,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:32,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:32,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:32,214 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-07-28 19:05:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,479 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-07-28 19:05:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:32,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:32,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:05:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:05:32,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 129 transitions. [2020-07-28 19:05:32,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:32,655 INFO L225 Difference]: With dead ends: 92 [2020-07-28 19:05:32,656 INFO L226 Difference]: Without dead ends: 41 [2020-07-28 19:05:32,657 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 19:05:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-28 19:05:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-28 19:05:32,675 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:32,675 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:32,676 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:32,676 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:32,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,678 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2020-07-28 19:05:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-07-28 19:05:32,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,679 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:32,679 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:32,682 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2020-07-28 19:05:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-07-28 19:05:32,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:32,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:32,683 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:32,683 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 19:05:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-07-28 19:05:32,686 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-07-28 19:05:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:32,686 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-07-28 19:05:32,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-07-28 19:05:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:05:32,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:32,687 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 19:05:32,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:05:32,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2020-07-28 19:05:32,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:32,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300800799] [2020-07-28 19:05:32,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:32,849 INFO L280 TraceCheckUtils]: 0: Hoare triple {965#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {967#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {967#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {967#(= 1 ~systemActive~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,852 INFO L280 TraceCheckUtils]: 4: Hoare triple {967#(= 1 ~systemActive~0)} assume 0 != main_~tmp~1; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,853 INFO L280 TraceCheckUtils]: 5: Hoare triple {967#(= 1 ~systemActive~0)} ~switchedOnBeforeTS~0 := 0; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,853 INFO L280 TraceCheckUtils]: 6: Hoare triple {967#(= 1 ~systemActive~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,854 INFO L280 TraceCheckUtils]: 7: Hoare triple {967#(= 1 ~systemActive~0)} assume !false; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,855 INFO L280 TraceCheckUtils]: 8: Hoare triple {967#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,855 INFO L280 TraceCheckUtils]: 9: Hoare triple {967#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,856 INFO L280 TraceCheckUtils]: 10: Hoare triple {967#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~5); {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,857 INFO L280 TraceCheckUtils]: 11: Hoare triple {967#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,858 INFO L280 TraceCheckUtils]: 12: Hoare triple {967#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~2); {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,858 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,859 INFO L280 TraceCheckUtils]: 14: Hoare triple {967#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,860 INFO L280 TraceCheckUtils]: 15: Hoare triple {967#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,861 INFO L280 TraceCheckUtils]: 16: Hoare triple {967#(= 1 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {967#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {967#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:32,862 INFO L280 TraceCheckUtils]: 18: Hoare triple {967#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {966#false} is VALID [2020-07-28 19:05:32,863 INFO L280 TraceCheckUtils]: 19: Hoare triple {966#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {966#false} is VALID [2020-07-28 19:05:32,863 INFO L280 TraceCheckUtils]: 20: Hoare triple {966#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {966#false} is VALID [2020-07-28 19:05:32,863 INFO L280 TraceCheckUtils]: 21: Hoare triple {966#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {966#false} is VALID [2020-07-28 19:05:32,864 INFO L280 TraceCheckUtils]: 22: Hoare triple {966#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {966#false} is VALID [2020-07-28 19:05:32,864 INFO L280 TraceCheckUtils]: 23: Hoare triple {966#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {966#false} is VALID [2020-07-28 19:05:32,864 INFO L280 TraceCheckUtils]: 24: Hoare triple {966#false} assume 0 == ~switchedOnBeforeTS~0; {966#false} is VALID [2020-07-28 19:05:32,865 INFO L280 TraceCheckUtils]: 25: Hoare triple {966#false} assume !false; {966#false} is VALID [2020-07-28 19:05:32,866 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 19:05:32,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300800799] [2020-07-28 19:05:32,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:32,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:32,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209955891] [2020-07-28 19:05:32,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:32,868 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:32,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:32,907 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 19:05:32,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:32,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:32,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:32,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:32,908 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-07-28 19:05:33,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,098 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-07-28 19:05:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:33,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:33,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2020-07-28 19:05:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2020-07-28 19:05:33,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 107 transitions. [2020-07-28 19:05:33,259 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:33,262 INFO L225 Difference]: With dead ends: 75 [2020-07-28 19:05:33,262 INFO L226 Difference]: Without dead ends: 41 [2020-07-28 19:05:33,263 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 19:05:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-28 19:05:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-28 19:05:33,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:33,289 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:33,290 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:33,290 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,292 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2020-07-28 19:05:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-07-28 19:05:33,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,293 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:33,293 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:05:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,295 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2020-07-28 19:05:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-07-28 19:05:33,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,296 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:33,296 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 19:05:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-07-28 19:05:33,298 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-07-28 19:05:33,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:33,299 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-07-28 19:05:33,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-07-28 19:05:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:05:33,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:33,300 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] [2020-07-28 19:05:33,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:05:33,301 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:33,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:33,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2020-07-28 19:05:33,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:33,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822473228] [2020-07-28 19:05:33,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:33,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {1215#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {1217#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {1217#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,384 INFO L280 TraceCheckUtils]: 3: Hoare triple {1217#(= 0 ~pumpRunning~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,386 INFO L280 TraceCheckUtils]: 4: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,389 INFO L280 TraceCheckUtils]: 5: Hoare triple {1217#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,389 INFO L280 TraceCheckUtils]: 6: Hoare triple {1217#(= 0 ~pumpRunning~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,390 INFO L280 TraceCheckUtils]: 7: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume !false; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,391 INFO L280 TraceCheckUtils]: 8: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,392 INFO L280 TraceCheckUtils]: 9: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,392 INFO L280 TraceCheckUtils]: 10: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,393 INFO L280 TraceCheckUtils]: 11: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,394 INFO L280 TraceCheckUtils]: 12: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,395 INFO L280 TraceCheckUtils]: 13: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,395 INFO L280 TraceCheckUtils]: 14: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,396 INFO L280 TraceCheckUtils]: 15: Hoare triple {1217#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,397 INFO L280 TraceCheckUtils]: 16: Hoare triple {1217#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,397 INFO L280 TraceCheckUtils]: 17: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,398 INFO L280 TraceCheckUtils]: 18: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1217#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:33,399 INFO L280 TraceCheckUtils]: 19: Hoare triple {1217#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1216#false} is VALID [2020-07-28 19:05:33,399 INFO L280 TraceCheckUtils]: 20: Hoare triple {1216#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1216#false} is VALID [2020-07-28 19:05:33,399 INFO L280 TraceCheckUtils]: 21: Hoare triple {1216#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {1216#false} is VALID [2020-07-28 19:05:33,400 INFO L280 TraceCheckUtils]: 22: Hoare triple {1216#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1216#false} is VALID [2020-07-28 19:05:33,400 INFO L280 TraceCheckUtils]: 23: Hoare triple {1216#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {1216#false} is VALID [2020-07-28 19:05:33,400 INFO L280 TraceCheckUtils]: 24: Hoare triple {1216#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {1216#false} is VALID [2020-07-28 19:05:33,401 INFO L280 TraceCheckUtils]: 25: Hoare triple {1216#false} assume 0 == ~switchedOnBeforeTS~0; {1216#false} is VALID [2020-07-28 19:05:33,401 INFO L280 TraceCheckUtils]: 26: Hoare triple {1216#false} assume !false; {1216#false} is VALID [2020-07-28 19:05:33,402 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 19:05:33,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822473228] [2020-07-28 19:05:33,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:33,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:33,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210678561] [2020-07-28 19:05:33,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:33,404 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:33,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:33,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:33,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:33,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:33,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:33,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:33,456 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-07-28 19:05:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,670 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-07-28 19:05:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:33,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:05:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2020-07-28 19:05:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2020-07-28 19:05:33,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 139 transitions. [2020-07-28 19:05:33,849 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:33,851 INFO L225 Difference]: With dead ends: 99 [2020-07-28 19:05:33,852 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 19:05:33,852 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 19:05:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 19:05:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-28 19:05:33,918 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:33,918 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 63 states. [2020-07-28 19:05:33,918 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 63 states. [2020-07-28 19:05:33,919 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 63 states. [2020-07-28 19:05:33,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,923 INFO L93 Difference]: Finished difference Result 65 states and 88 transitions. [2020-07-28 19:05:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2020-07-28 19:05:33,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,924 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 65 states. [2020-07-28 19:05:33,924 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 65 states. [2020-07-28 19:05:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:33,928 INFO L93 Difference]: Finished difference Result 65 states and 88 transitions. [2020-07-28 19:05:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2020-07-28 19:05:33,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:33,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:33,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:33,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-28 19:05:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-07-28 19:05:33,934 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-07-28 19:05:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:33,938 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-07-28 19:05:33,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-07-28 19:05:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:05:33,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:33,940 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 19:05:33,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:05:33,941 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:33,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:33,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2020-07-28 19:05:33,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:33,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933982735] [2020-07-28 19:05:33,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:34,125 INFO L280 TraceCheckUtils]: 0: Hoare triple {1577#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {1579#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,127 INFO L280 TraceCheckUtils]: 2: Hoare triple {1579#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,128 INFO L280 TraceCheckUtils]: 3: Hoare triple {1579#(= 0 ~pumpRunning~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,128 INFO L280 TraceCheckUtils]: 4: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,129 INFO L280 TraceCheckUtils]: 5: Hoare triple {1579#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,130 INFO L280 TraceCheckUtils]: 6: Hoare triple {1579#(= 0 ~pumpRunning~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,131 INFO L280 TraceCheckUtils]: 7: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume !false; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,131 INFO L280 TraceCheckUtils]: 8: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,132 INFO L280 TraceCheckUtils]: 10: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,133 INFO L280 TraceCheckUtils]: 11: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,134 INFO L280 TraceCheckUtils]: 12: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,134 INFO L280 TraceCheckUtils]: 13: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,135 INFO L280 TraceCheckUtils]: 14: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,142 INFO L280 TraceCheckUtils]: 15: Hoare triple {1579#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,143 INFO L280 TraceCheckUtils]: 16: Hoare triple {1579#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,143 INFO L280 TraceCheckUtils]: 17: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,144 INFO L280 TraceCheckUtils]: 18: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,145 INFO L280 TraceCheckUtils]: 19: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,145 INFO L280 TraceCheckUtils]: 20: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,146 INFO L280 TraceCheckUtils]: 21: Hoare triple {1579#(= 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; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,147 INFO L280 TraceCheckUtils]: 22: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,147 INFO L280 TraceCheckUtils]: 23: Hoare triple {1579#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,148 INFO L280 TraceCheckUtils]: 24: Hoare triple {1579#(= 0 ~pumpRunning~0)} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,148 INFO L280 TraceCheckUtils]: 25: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment_~tmp~2); {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,149 INFO L280 TraceCheckUtils]: 26: Hoare triple {1579#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,150 INFO L280 TraceCheckUtils]: 27: Hoare triple {1579#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {1579#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:34,166 INFO L280 TraceCheckUtils]: 28: Hoare triple {1579#(= 0 ~pumpRunning~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1580#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:34,167 INFO L280 TraceCheckUtils]: 29: Hoare triple {1580#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {1581#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0)} is VALID [2020-07-28 19:05:34,168 INFO L280 TraceCheckUtils]: 30: Hoare triple {1581#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {1578#false} is VALID [2020-07-28 19:05:34,168 INFO L280 TraceCheckUtils]: 31: Hoare triple {1578#false} assume 0 == ~switchedOnBeforeTS~0; {1578#false} is VALID [2020-07-28 19:05:34,168 INFO L280 TraceCheckUtils]: 32: Hoare triple {1578#false} assume !false; {1578#false} is VALID [2020-07-28 19:05:34,170 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 19:05:34,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933982735] [2020-07-28 19:05:34,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:34,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:05:34,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892977209] [2020-07-28 19:05:34,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:34,173 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:34,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:34,218 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 19:05:34,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:34,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:34,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:34,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:34,219 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-07-28 19:05:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:34,936 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-07-28 19:05:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:05:34,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:05:34,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 273 transitions. [2020-07-28 19:05:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 273 transitions. [2020-07-28 19:05:34,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 273 transitions. [2020-07-28 19:05:35,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,344 INFO L225 Difference]: With dead ends: 216 [2020-07-28 19:05:35,344 INFO L226 Difference]: Without dead ends: 160 [2020-07-28 19:05:35,348 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 19:05:35,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-28 19:05:35,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-07-28 19:05:35,470 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:35,470 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:35,471 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:35,471 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 62 states. [2020-07-28 19:05:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,480 INFO L93 Difference]: Finished difference Result 160 states and 223 transitions. [2020-07-28 19:05:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2020-07-28 19:05:35,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:35,481 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:35,481 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 160 states. [2020-07-28 19:05:35,481 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 160 states. [2020-07-28 19:05:35,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:35,490 INFO L93 Difference]: Finished difference Result 160 states and 223 transitions. [2020-07-28 19:05:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2020-07-28 19:05:35,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:35,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:35,492 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:35,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-28 19:05:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-07-28 19:05:35,497 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-07-28 19:05:35,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:35,497 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-07-28 19:05:35,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-07-28 19:05:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:35,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:35,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:35,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:05:35,503 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:35,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:35,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2020-07-28 19:05:35,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:35,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220794666] [2020-07-28 19:05:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:35,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {2304#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2304#true} is VALID [2020-07-28 19:05:35,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {2304#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {2304#true} is VALID [2020-07-28 19:05:35,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {2304#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2304#true} is VALID [2020-07-28 19:05:35,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {2304#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {2304#true} is VALID [2020-07-28 19:05:35,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {2304#true} assume 0 != main_~tmp~1; {2304#true} is VALID [2020-07-28 19:05:35,625 INFO L280 TraceCheckUtils]: 5: Hoare triple {2304#true} ~switchedOnBeforeTS~0 := 0; {2304#true} is VALID [2020-07-28 19:05:35,626 INFO L280 TraceCheckUtils]: 6: Hoare triple {2304#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2304#true} is VALID [2020-07-28 19:05:35,626 INFO L280 TraceCheckUtils]: 7: Hoare triple {2304#true} assume !false; {2304#true} is VALID [2020-07-28 19:05:35,626 INFO L280 TraceCheckUtils]: 8: Hoare triple {2304#true} assume test_~splverifierCounter~0 < 4; {2304#true} is VALID [2020-07-28 19:05:35,627 INFO L280 TraceCheckUtils]: 9: Hoare triple {2304#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {2304#true} is VALID [2020-07-28 19:05:35,627 INFO L280 TraceCheckUtils]: 10: Hoare triple {2304#true} assume !(0 != test_~tmp~5); {2304#true} is VALID [2020-07-28 19:05:35,628 INFO L280 TraceCheckUtils]: 11: Hoare triple {2304#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {2304#true} is VALID [2020-07-28 19:05:35,628 INFO L280 TraceCheckUtils]: 12: Hoare triple {2304#true} assume !(0 != test_~tmp___0~2); {2304#true} is VALID [2020-07-28 19:05:35,628 INFO L280 TraceCheckUtils]: 13: Hoare triple {2304#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {2304#true} is VALID [2020-07-28 19:05:35,629 INFO L280 TraceCheckUtils]: 14: Hoare triple {2304#true} assume 0 != test_~tmp___2~0; {2304#true} is VALID [2020-07-28 19:05:35,629 INFO L280 TraceCheckUtils]: 15: Hoare triple {2304#true} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2304#true} is VALID [2020-07-28 19:05:35,629 INFO L280 TraceCheckUtils]: 16: Hoare triple {2304#true} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {2304#true} is VALID [2020-07-28 19:05:35,632 INFO L280 TraceCheckUtils]: 17: Hoare triple {2304#true} assume !(0 != ~pumpRunning~0); {2304#true} is VALID [2020-07-28 19:05:35,632 INFO L280 TraceCheckUtils]: 18: Hoare triple {2304#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2304#true} is VALID [2020-07-28 19:05:35,633 INFO L280 TraceCheckUtils]: 19: Hoare triple {2304#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2304#true} is VALID [2020-07-28 19:05:35,633 INFO L280 TraceCheckUtils]: 20: Hoare triple {2304#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2304#true} is VALID [2020-07-28 19:05:35,633 INFO L280 TraceCheckUtils]: 21: Hoare triple {2304#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; {2304#true} is VALID [2020-07-28 19:05:35,634 INFO L280 TraceCheckUtils]: 22: Hoare triple {2304#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {2306#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:05:35,635 INFO L280 TraceCheckUtils]: 23: Hoare triple {2306#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {2307#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:05:35,636 INFO L280 TraceCheckUtils]: 24: Hoare triple {2307#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {2308#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:05:35,637 INFO L280 TraceCheckUtils]: 25: Hoare triple {2308#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2305#false} is VALID [2020-07-28 19:05:35,638 INFO L280 TraceCheckUtils]: 26: Hoare triple {2305#false} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {2305#false} is VALID [2020-07-28 19:05:35,638 INFO L280 TraceCheckUtils]: 27: Hoare triple {2305#false} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {2305#false} is VALID [2020-07-28 19:05:35,638 INFO L280 TraceCheckUtils]: 28: Hoare triple {2305#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {2305#false} is VALID [2020-07-28 19:05:35,641 INFO L280 TraceCheckUtils]: 29: Hoare triple {2305#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {2305#false} is VALID [2020-07-28 19:05:35,641 INFO L280 TraceCheckUtils]: 30: Hoare triple {2305#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {2305#false} is VALID [2020-07-28 19:05:35,641 INFO L280 TraceCheckUtils]: 31: Hoare triple {2305#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2305#false} is VALID [2020-07-28 19:05:35,642 INFO L280 TraceCheckUtils]: 32: Hoare triple {2305#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {2305#false} is VALID [2020-07-28 19:05:35,642 INFO L280 TraceCheckUtils]: 33: Hoare triple {2305#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {2305#false} is VALID [2020-07-28 19:05:35,642 INFO L280 TraceCheckUtils]: 34: Hoare triple {2305#false} assume 0 == ~switchedOnBeforeTS~0; {2305#false} is VALID [2020-07-28 19:05:35,642 INFO L280 TraceCheckUtils]: 35: Hoare triple {2305#false} assume !false; {2305#false} is VALID [2020-07-28 19:05:35,646 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 19:05:35,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220794666] [2020-07-28 19:05:35,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:35,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:35,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616545679] [2020-07-28 19:05:35,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:35,649 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:35,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:35,710 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:35,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:35,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:35,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:35,711 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-07-28 19:05:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,481 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-07-28 19:05:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:05:36,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-07-28 19:05:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 19:05:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 19:05:36,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 164 transitions. [2020-07-28 19:05:36,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,690 INFO L225 Difference]: With dead ends: 161 [2020-07-28 19:05:36,690 INFO L226 Difference]: Without dead ends: 106 [2020-07-28 19:05:36,690 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 19:05:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-28 19:05:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-07-28 19:05:36,803 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:36,803 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 65 states. [2020-07-28 19:05:36,803 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 65 states. [2020-07-28 19:05:36,803 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 65 states. [2020-07-28 19:05:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,807 INFO L93 Difference]: Finished difference Result 106 states and 142 transitions. [2020-07-28 19:05:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 142 transitions. [2020-07-28 19:05:36,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,809 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 106 states. [2020-07-28 19:05:36,809 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 106 states. [2020-07-28 19:05:36,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:36,813 INFO L93 Difference]: Finished difference Result 106 states and 142 transitions. [2020-07-28 19:05:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 142 transitions. [2020-07-28 19:05:36,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:36,814 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:36,814 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:36,814 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 19:05:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-07-28 19:05:36,818 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-07-28 19:05:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:36,821 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-07-28 19:05:36,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-07-28 19:05:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:36,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:36,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:36,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:05:36,822 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:36,823 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2020-07-28 19:05:36,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:36,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680062540] [2020-07-28 19:05:36,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:36,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2849#true} is VALID [2020-07-28 19:05:36,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {2849#true} is VALID [2020-07-28 19:05:36,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {2849#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2849#true} is VALID [2020-07-28 19:05:36,902 INFO L280 TraceCheckUtils]: 3: Hoare triple {2849#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {2849#true} is VALID [2020-07-28 19:05:36,903 INFO L280 TraceCheckUtils]: 4: Hoare triple {2849#true} assume 0 != main_~tmp~1; {2849#true} is VALID [2020-07-28 19:05:36,903 INFO L280 TraceCheckUtils]: 5: Hoare triple {2849#true} ~switchedOnBeforeTS~0 := 0; {2849#true} is VALID [2020-07-28 19:05:36,903 INFO L280 TraceCheckUtils]: 6: Hoare triple {2849#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2849#true} is VALID [2020-07-28 19:05:36,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {2849#true} assume !false; {2849#true} is VALID [2020-07-28 19:05:36,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {2849#true} assume test_~splverifierCounter~0 < 4; {2849#true} is VALID [2020-07-28 19:05:36,904 INFO L280 TraceCheckUtils]: 9: Hoare triple {2849#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {2849#true} is VALID [2020-07-28 19:05:36,904 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume !(0 != test_~tmp~5); {2849#true} is VALID [2020-07-28 19:05:36,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {2849#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {2849#true} is VALID [2020-07-28 19:05:36,905 INFO L280 TraceCheckUtils]: 12: Hoare triple {2849#true} assume !(0 != test_~tmp___0~2); {2849#true} is VALID [2020-07-28 19:05:36,905 INFO L280 TraceCheckUtils]: 13: Hoare triple {2849#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {2849#true} is VALID [2020-07-28 19:05:36,905 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} assume 0 != test_~tmp___2~0; {2849#true} is VALID [2020-07-28 19:05:36,906 INFO L280 TraceCheckUtils]: 15: Hoare triple {2849#true} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2849#true} is VALID [2020-07-28 19:05:36,906 INFO L280 TraceCheckUtils]: 16: Hoare triple {2849#true} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {2849#true} is VALID [2020-07-28 19:05:36,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {2849#true} assume !(0 != ~pumpRunning~0); {2849#true} is VALID [2020-07-28 19:05:36,906 INFO L280 TraceCheckUtils]: 18: Hoare triple {2849#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2849#true} is VALID [2020-07-28 19:05:36,906 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2849#true} is VALID [2020-07-28 19:05:36,907 INFO L280 TraceCheckUtils]: 20: Hoare triple {2849#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2851#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:05:36,908 INFO L280 TraceCheckUtils]: 21: Hoare triple {2851#(= 1 |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; {2852#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} is VALID [2020-07-28 19:05:36,908 INFO L280 TraceCheckUtils]: 22: Hoare triple {2852#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 23: Hoare triple {2850#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 24: Hoare triple {2850#false} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 25: Hoare triple {2850#false} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 26: Hoare triple {2850#false} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 27: Hoare triple {2850#false} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {2850#false} is VALID [2020-07-28 19:05:36,909 INFO L280 TraceCheckUtils]: 28: Hoare triple {2850#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {2850#false} is VALID [2020-07-28 19:05:36,910 INFO L280 TraceCheckUtils]: 29: Hoare triple {2850#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {2850#false} is VALID [2020-07-28 19:05:36,910 INFO L280 TraceCheckUtils]: 30: Hoare triple {2850#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {2850#false} is VALID [2020-07-28 19:05:36,910 INFO L280 TraceCheckUtils]: 31: Hoare triple {2850#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2850#false} is VALID [2020-07-28 19:05:36,910 INFO L280 TraceCheckUtils]: 32: Hoare triple {2850#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {2850#false} is VALID [2020-07-28 19:05:36,910 INFO L280 TraceCheckUtils]: 33: Hoare triple {2850#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {2850#false} is VALID [2020-07-28 19:05:36,911 INFO L280 TraceCheckUtils]: 34: Hoare triple {2850#false} assume 0 == ~switchedOnBeforeTS~0; {2850#false} is VALID [2020-07-28 19:05:36,911 INFO L280 TraceCheckUtils]: 35: Hoare triple {2850#false} assume !false; {2850#false} is VALID [2020-07-28 19:05:36,912 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 19:05:36,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680062540] [2020-07-28 19:05:36,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:36,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:05:36,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881746446] [2020-07-28 19:05:36,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-07-28 19:05:36,913 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:36,914 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:05:36,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:36,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:05:36,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:36,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:05:36,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:05:36,967 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 4 states. [2020-07-28 19:05:37,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:37,445 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2020-07-28 19:05:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:05:37,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-07-28 19:05:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:05:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2020-07-28 19:05:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:05:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2020-07-28 19:05:37,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 139 transitions. [2020-07-28 19:05:37,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:37,620 INFO L225 Difference]: With dead ends: 149 [2020-07-28 19:05:37,621 INFO L226 Difference]: Without dead ends: 91 [2020-07-28 19:05:37,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:37,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-28 19:05:37,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2020-07-28 19:05:37,739 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:37,739 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 67 states. [2020-07-28 19:05:37,739 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 67 states. [2020-07-28 19:05:37,739 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 67 states. [2020-07-28 19:05:37,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:37,743 INFO L93 Difference]: Finished difference Result 91 states and 120 transitions. [2020-07-28 19:05:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2020-07-28 19:05:37,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:37,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:37,744 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 91 states. [2020-07-28 19:05:37,744 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 91 states. [2020-07-28 19:05:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:37,747 INFO L93 Difference]: Finished difference Result 91 states and 120 transitions. [2020-07-28 19:05:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2020-07-28 19:05:37,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:37,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:37,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:37,749 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 19:05:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-07-28 19:05:37,751 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-07-28 19:05:37,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:37,751 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-07-28 19:05:37,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:05:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-07-28 19:05:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-28 19:05:37,752 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:37,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:37,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:05:37,753 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:37,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:37,754 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2020-07-28 19:05:37,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:37,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224204764] [2020-07-28 19:05:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:37,842 INFO L280 TraceCheckUtils]: 0: Hoare triple {3345#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,843 INFO L280 TraceCheckUtils]: 1: Hoare triple {3347#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {3347#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,844 INFO L280 TraceCheckUtils]: 3: Hoare triple {3347#(= 1 ~waterLevel~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,845 INFO L280 TraceCheckUtils]: 4: Hoare triple {3347#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,845 INFO L280 TraceCheckUtils]: 5: Hoare triple {3347#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,846 INFO L280 TraceCheckUtils]: 6: Hoare triple {3347#(= 1 ~waterLevel~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,847 INFO L280 TraceCheckUtils]: 7: Hoare triple {3347#(= 1 ~waterLevel~0)} assume !false; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,849 INFO L280 TraceCheckUtils]: 8: Hoare triple {3347#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,850 INFO L280 TraceCheckUtils]: 9: Hoare triple {3347#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,851 INFO L280 TraceCheckUtils]: 10: Hoare triple {3347#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~5); {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,852 INFO L280 TraceCheckUtils]: 11: Hoare triple {3347#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,853 INFO L280 TraceCheckUtils]: 12: Hoare triple {3347#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,854 INFO L280 TraceCheckUtils]: 13: Hoare triple {3347#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,855 INFO L280 TraceCheckUtils]: 14: Hoare triple {3347#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,856 INFO L280 TraceCheckUtils]: 15: Hoare triple {3347#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,857 INFO L280 TraceCheckUtils]: 16: Hoare triple {3347#(= 1 ~waterLevel~0)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,858 INFO L280 TraceCheckUtils]: 17: Hoare triple {3347#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,859 INFO L280 TraceCheckUtils]: 18: Hoare triple {3347#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,860 INFO L280 TraceCheckUtils]: 19: Hoare triple {3347#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3347#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:37,861 INFO L280 TraceCheckUtils]: 20: Hoare triple {3347#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3346#false} is VALID [2020-07-28 19:05:37,862 INFO L280 TraceCheckUtils]: 21: Hoare triple {3346#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; {3346#false} is VALID [2020-07-28 19:05:37,862 INFO L280 TraceCheckUtils]: 22: Hoare triple {3346#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3346#false} is VALID [2020-07-28 19:05:37,862 INFO L280 TraceCheckUtils]: 23: Hoare triple {3346#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {3346#false} is VALID [2020-07-28 19:05:37,863 INFO L280 TraceCheckUtils]: 24: Hoare triple {3346#false} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {3346#false} is VALID [2020-07-28 19:05:37,863 INFO L280 TraceCheckUtils]: 25: Hoare triple {3346#false} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3346#false} is VALID [2020-07-28 19:05:37,863 INFO L280 TraceCheckUtils]: 26: Hoare triple {3346#false} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {3346#false} is VALID [2020-07-28 19:05:37,863 INFO L280 TraceCheckUtils]: 27: Hoare triple {3346#false} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {3346#false} is VALID [2020-07-28 19:05:37,863 INFO L280 TraceCheckUtils]: 28: Hoare triple {3346#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {3346#false} is VALID [2020-07-28 19:05:37,864 INFO L280 TraceCheckUtils]: 29: Hoare triple {3346#false} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {3346#false} is VALID [2020-07-28 19:05:37,864 INFO L280 TraceCheckUtils]: 30: Hoare triple {3346#false} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {3346#false} is VALID [2020-07-28 19:05:37,864 INFO L280 TraceCheckUtils]: 31: Hoare triple {3346#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3346#false} is VALID [2020-07-28 19:05:37,864 INFO L280 TraceCheckUtils]: 32: Hoare triple {3346#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {3346#false} is VALID [2020-07-28 19:05:37,864 INFO L280 TraceCheckUtils]: 33: Hoare triple {3346#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {3346#false} is VALID [2020-07-28 19:05:37,865 INFO L280 TraceCheckUtils]: 34: Hoare triple {3346#false} assume 0 == ~switchedOnBeforeTS~0; {3346#false} is VALID [2020-07-28 19:05:37,865 INFO L280 TraceCheckUtils]: 35: Hoare triple {3346#false} assume !false; {3346#false} is VALID [2020-07-28 19:05:37,867 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 19:05:37,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224204764] [2020-07-28 19:05:37,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:37,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:37,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093740662] [2020-07-28 19:05:37,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:05:37,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:37,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:37,923 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:37,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:37,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:37,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:37,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:37,924 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-07-28 19:05:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,247 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-07-28 19:05:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:38,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-07-28 19:05:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 19:05:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 19:05:38,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 140 transitions. [2020-07-28 19:05:38,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:38,410 INFO L225 Difference]: With dead ends: 154 [2020-07-28 19:05:38,411 INFO L226 Difference]: Without dead ends: 94 [2020-07-28 19:05:38,411 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 19:05:38,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-28 19:05:38,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-28 19:05:38,596 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:38,597 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:38,597 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:38,597 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:38,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,602 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2020-07-28 19:05:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-07-28 19:05:38,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,602 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:38,602 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 94 states. [2020-07-28 19:05:38,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:38,605 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2020-07-28 19:05:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-07-28 19:05:38,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:38,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:38,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:38,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-28 19:05:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-07-28 19:05:38,618 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-07-28 19:05:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:38,618 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-07-28 19:05:38,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-07-28 19:05:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-28 19:05:38,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:38,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:38,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:05:38,620 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:38,620 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2020-07-28 19:05:38,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:38,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000003291] [2020-07-28 19:05:38,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:38,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {3888#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {3890#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {3890#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,757 INFO L280 TraceCheckUtils]: 3: Hoare triple {3890#(= 1 ~waterLevel~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,758 INFO L280 TraceCheckUtils]: 4: Hoare triple {3890#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,759 INFO L280 TraceCheckUtils]: 5: Hoare triple {3890#(= 1 ~waterLevel~0)} ~switchedOnBeforeTS~0 := 0; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,759 INFO L280 TraceCheckUtils]: 6: Hoare triple {3890#(= 1 ~waterLevel~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,760 INFO L280 TraceCheckUtils]: 7: Hoare triple {3890#(= 1 ~waterLevel~0)} assume !false; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,760 INFO L280 TraceCheckUtils]: 8: Hoare triple {3890#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,761 INFO L280 TraceCheckUtils]: 9: Hoare triple {3890#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,762 INFO L280 TraceCheckUtils]: 10: Hoare triple {3890#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~5; {3890#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,762 INFO L280 TraceCheckUtils]: 11: Hoare triple {3890#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,763 INFO L280 TraceCheckUtils]: 12: Hoare triple {3891#(= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,764 INFO L280 TraceCheckUtils]: 13: Hoare triple {3891#(= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,764 INFO L280 TraceCheckUtils]: 14: Hoare triple {3891#(= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,765 INFO L280 TraceCheckUtils]: 15: Hoare triple {3891#(= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,766 INFO L280 TraceCheckUtils]: 16: Hoare triple {3891#(= 2 ~waterLevel~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,767 INFO L280 TraceCheckUtils]: 17: Hoare triple {3891#(= 2 ~waterLevel~0)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,767 INFO L280 TraceCheckUtils]: 18: Hoare triple {3891#(= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,768 INFO L280 TraceCheckUtils]: 19: Hoare triple {3891#(= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,769 INFO L280 TraceCheckUtils]: 20: Hoare triple {3891#(= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,769 INFO L280 TraceCheckUtils]: 21: Hoare triple {3891#(= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,770 INFO L280 TraceCheckUtils]: 22: Hoare triple {3891#(= 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; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,771 INFO L280 TraceCheckUtils]: 23: Hoare triple {3891#(= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,772 INFO L280 TraceCheckUtils]: 24: Hoare triple {3891#(= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,773 INFO L280 TraceCheckUtils]: 25: Hoare triple {3891#(= 2 ~waterLevel~0)} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,773 INFO L280 TraceCheckUtils]: 26: Hoare triple {3891#(= 2 ~waterLevel~0)} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,774 INFO L280 TraceCheckUtils]: 27: Hoare triple {3891#(= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,775 INFO L280 TraceCheckUtils]: 28: Hoare triple {3891#(= 2 ~waterLevel~0)} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,775 INFO L280 TraceCheckUtils]: 29: Hoare triple {3891#(= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {3891#(= 2 ~waterLevel~0)} is VALID [2020-07-28 19:05:38,776 INFO L280 TraceCheckUtils]: 30: Hoare triple {3891#(= 2 ~waterLevel~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {3892#(= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:05:38,777 INFO L280 TraceCheckUtils]: 31: Hoare triple {3892#(= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {3893#(= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)} is VALID [2020-07-28 19:05:38,778 INFO L280 TraceCheckUtils]: 32: Hoare triple {3893#(= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3889#false} is VALID [2020-07-28 19:05:38,778 INFO L280 TraceCheckUtils]: 33: Hoare triple {3889#false} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {3889#false} is VALID [2020-07-28 19:05:38,778 INFO L280 TraceCheckUtils]: 34: Hoare triple {3889#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {3889#false} is VALID [2020-07-28 19:05:38,778 INFO L280 TraceCheckUtils]: 35: Hoare triple {3889#false} assume 0 == ~switchedOnBeforeTS~0; {3889#false} is VALID [2020-07-28 19:05:38,779 INFO L280 TraceCheckUtils]: 36: Hoare triple {3889#false} assume !false; {3889#false} is VALID [2020-07-28 19:05:38,781 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 19:05:38,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000003291] [2020-07-28 19:05:38,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:38,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:05:38,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737442059] [2020-07-28 19:05:38,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-07-28 19:05:38,782 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:38,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:05:38,837 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:38,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:05:38,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:38,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:05:38,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:05:38,838 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2020-07-28 19:05:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:40,674 INFO L93 Difference]: Finished difference Result 448 states and 607 transitions. [2020-07-28 19:05:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 19:05:40,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-07-28 19:05:40,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 339 transitions. [2020-07-28 19:05:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:05:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 339 transitions. [2020-07-28 19:05:40,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 339 transitions. [2020-07-28 19:05:41,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 339 edges. 339 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:41,135 INFO L225 Difference]: With dead ends: 448 [2020-07-28 19:05:41,135 INFO L226 Difference]: Without dead ends: 388 [2020-07-28 19:05:41,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:05:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-07-28 19:05:41,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 166. [2020-07-28 19:05:41,473 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:41,473 INFO L82 GeneralOperation]: Start isEquivalent. First operand 388 states. Second operand 166 states. [2020-07-28 19:05:41,473 INFO L74 IsIncluded]: Start isIncluded. First operand 388 states. Second operand 166 states. [2020-07-28 19:05:41,474 INFO L87 Difference]: Start difference. First operand 388 states. Second operand 166 states. [2020-07-28 19:05:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:41,486 INFO L93 Difference]: Finished difference Result 388 states and 506 transitions. [2020-07-28 19:05:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 506 transitions. [2020-07-28 19:05:41,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:41,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:41,487 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 388 states. [2020-07-28 19:05:41,488 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 388 states. [2020-07-28 19:05:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:41,499 INFO L93 Difference]: Finished difference Result 388 states and 506 transitions. [2020-07-28 19:05:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 506 transitions. [2020-07-28 19:05:41,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:41,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:41,500 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:41,500 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-28 19:05:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 218 transitions. [2020-07-28 19:05:41,504 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 218 transitions. Word has length 37 [2020-07-28 19:05:41,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:41,504 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 218 transitions. [2020-07-28 19:05:41,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:05:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2020-07-28 19:05:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:05:41,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:41,507 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] [2020-07-28 19:05:41,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:05:41,507 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:41,508 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2020-07-28 19:05:41,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:41,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352096079] [2020-07-28 19:05:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:41,630 INFO L280 TraceCheckUtils]: 0: Hoare triple {5549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5549#true} is VALID [2020-07-28 19:05:41,631 INFO L280 TraceCheckUtils]: 1: Hoare triple {5549#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {5549#true} is VALID [2020-07-28 19:05:41,631 INFO L280 TraceCheckUtils]: 2: Hoare triple {5549#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5549#true} is VALID [2020-07-28 19:05:41,631 INFO L280 TraceCheckUtils]: 3: Hoare triple {5549#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {5549#true} is VALID [2020-07-28 19:05:41,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {5549#true} assume 0 != main_~tmp~1; {5549#true} is VALID [2020-07-28 19:05:41,632 INFO L280 TraceCheckUtils]: 5: Hoare triple {5549#true} ~switchedOnBeforeTS~0 := 0; {5549#true} is VALID [2020-07-28 19:05:41,632 INFO L280 TraceCheckUtils]: 6: Hoare triple {5549#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5549#true} is VALID [2020-07-28 19:05:41,633 INFO L280 TraceCheckUtils]: 7: Hoare triple {5549#true} assume !false; {5549#true} is VALID [2020-07-28 19:05:41,633 INFO L280 TraceCheckUtils]: 8: Hoare triple {5549#true} assume test_~splverifierCounter~0 < 4; {5549#true} is VALID [2020-07-28 19:05:41,633 INFO L280 TraceCheckUtils]: 9: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {5549#true} is VALID [2020-07-28 19:05:41,634 INFO L280 TraceCheckUtils]: 10: Hoare triple {5549#true} assume 0 != test_~tmp~5; {5549#true} is VALID [2020-07-28 19:05:41,634 INFO L280 TraceCheckUtils]: 11: Hoare triple {5549#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5549#true} is VALID [2020-07-28 19:05:41,634 INFO L280 TraceCheckUtils]: 12: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {5549#true} is VALID [2020-07-28 19:05:41,635 INFO L280 TraceCheckUtils]: 13: Hoare triple {5549#true} assume !(0 != test_~tmp___0~2); {5549#true} is VALID [2020-07-28 19:05:41,635 INFO L280 TraceCheckUtils]: 14: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {5549#true} is VALID [2020-07-28 19:05:41,635 INFO L280 TraceCheckUtils]: 15: Hoare triple {5549#true} assume 0 != test_~tmp___2~0; {5549#true} is VALID [2020-07-28 19:05:41,635 INFO L280 TraceCheckUtils]: 16: Hoare triple {5549#true} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5549#true} is VALID [2020-07-28 19:05:41,635 INFO L280 TraceCheckUtils]: 17: Hoare triple {5549#true} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {5549#true} is VALID [2020-07-28 19:05:41,636 INFO L280 TraceCheckUtils]: 18: Hoare triple {5549#true} assume !(0 != ~pumpRunning~0); {5549#true} is VALID [2020-07-28 19:05:41,636 INFO L280 TraceCheckUtils]: 19: Hoare triple {5549#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5549#true} is VALID [2020-07-28 19:05:41,636 INFO L280 TraceCheckUtils]: 20: Hoare triple {5549#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {5549#true} is VALID [2020-07-28 19:05:41,636 INFO L280 TraceCheckUtils]: 21: Hoare triple {5549#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {5549#true} is VALID [2020-07-28 19:05:41,636 INFO L280 TraceCheckUtils]: 22: Hoare triple {5549#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; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 23: Hoare triple {5549#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 24: Hoare triple {5549#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 25: Hoare triple {5549#true} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 26: Hoare triple {5549#true} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 27: Hoare triple {5549#true} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5549#true} is VALID [2020-07-28 19:05:41,637 INFO L280 TraceCheckUtils]: 28: Hoare triple {5549#true} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {5549#true} is VALID [2020-07-28 19:05:41,638 INFO L280 TraceCheckUtils]: 29: Hoare triple {5549#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,640 INFO L280 TraceCheckUtils]: 30: Hoare triple {5551#(= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,641 INFO L280 TraceCheckUtils]: 31: Hoare triple {5551#(= 1 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,642 INFO L280 TraceCheckUtils]: 32: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,642 INFO L280 TraceCheckUtils]: 33: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume !false; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,643 INFO L280 TraceCheckUtils]: 34: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,643 INFO L280 TraceCheckUtils]: 35: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,644 INFO L280 TraceCheckUtils]: 36: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,645 INFO L280 TraceCheckUtils]: 37: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,646 INFO L280 TraceCheckUtils]: 38: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,647 INFO L280 TraceCheckUtils]: 39: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,648 INFO L280 TraceCheckUtils]: 40: Hoare triple {5551#(= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {5551#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:41,649 INFO L280 TraceCheckUtils]: 41: Hoare triple {5551#(= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5552#(= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:41,650 INFO L280 TraceCheckUtils]: 42: Hoare triple {5552#(= 1 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,652 INFO L280 TraceCheckUtils]: 43: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume 0 != ~pumpRunning~0; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,653 INFO L280 TraceCheckUtils]: 44: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,655 INFO L280 TraceCheckUtils]: 45: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,656 INFO L280 TraceCheckUtils]: 46: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume !(0 == ~pumpRunning~0); {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,657 INFO L280 TraceCheckUtils]: 47: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,658 INFO L280 TraceCheckUtils]: 48: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,658 INFO L280 TraceCheckUtils]: 49: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,659 INFO L280 TraceCheckUtils]: 50: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,660 INFO L280 TraceCheckUtils]: 51: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {5553#(= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:41,660 INFO L280 TraceCheckUtils]: 52: Hoare triple {5553#(= 1 ~switchedOnBeforeTS~0)} assume 0 == ~switchedOnBeforeTS~0; {5550#false} is VALID [2020-07-28 19:05:41,660 INFO L280 TraceCheckUtils]: 53: Hoare triple {5550#false} assume !false; {5550#false} is VALID [2020-07-28 19:05:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:41,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352096079] [2020-07-28 19:05:41,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781495276] [2020-07-28 19:05:41,663 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 19:05:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:41,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:05:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:41,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:05:42,055 INFO L280 TraceCheckUtils]: 0: Hoare triple {5549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5549#true} is VALID [2020-07-28 19:05:42,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {5549#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; {5549#true} is VALID [2020-07-28 19:05:42,056 INFO L280 TraceCheckUtils]: 2: Hoare triple {5549#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5549#true} is VALID [2020-07-28 19:05:42,056 INFO L280 TraceCheckUtils]: 3: Hoare triple {5549#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {5549#true} is VALID [2020-07-28 19:05:42,056 INFO L280 TraceCheckUtils]: 4: Hoare triple {5549#true} assume 0 != main_~tmp~1; {5549#true} is VALID [2020-07-28 19:05:42,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {5549#true} ~switchedOnBeforeTS~0 := 0; {5549#true} is VALID [2020-07-28 19:05:42,056 INFO L280 TraceCheckUtils]: 6: Hoare triple {5549#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5549#true} is VALID [2020-07-28 19:05:42,057 INFO L280 TraceCheckUtils]: 7: Hoare triple {5549#true} assume !false; {5549#true} is VALID [2020-07-28 19:05:42,057 INFO L280 TraceCheckUtils]: 8: Hoare triple {5549#true} assume test_~splverifierCounter~0 < 4; {5549#true} is VALID [2020-07-28 19:05:42,057 INFO L280 TraceCheckUtils]: 9: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {5549#true} is VALID [2020-07-28 19:05:42,058 INFO L280 TraceCheckUtils]: 10: Hoare triple {5549#true} assume 0 != test_~tmp~5; {5549#true} is VALID [2020-07-28 19:05:42,058 INFO L280 TraceCheckUtils]: 11: Hoare triple {5549#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5549#true} is VALID [2020-07-28 19:05:42,059 INFO L280 TraceCheckUtils]: 12: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {5549#true} is VALID [2020-07-28 19:05:42,059 INFO L280 TraceCheckUtils]: 13: Hoare triple {5549#true} assume !(0 != test_~tmp___0~2); {5549#true} is VALID [2020-07-28 19:05:42,059 INFO L280 TraceCheckUtils]: 14: Hoare triple {5549#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {5549#true} is VALID [2020-07-28 19:05:42,060 INFO L280 TraceCheckUtils]: 15: Hoare triple {5549#true} assume 0 != test_~tmp___2~0; {5549#true} is VALID [2020-07-28 19:05:42,060 INFO L280 TraceCheckUtils]: 16: Hoare triple {5549#true} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5549#true} is VALID [2020-07-28 19:05:42,060 INFO L280 TraceCheckUtils]: 17: Hoare triple {5549#true} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {5549#true} is VALID [2020-07-28 19:05:42,060 INFO L280 TraceCheckUtils]: 18: Hoare triple {5549#true} assume !(0 != ~pumpRunning~0); {5549#true} is VALID [2020-07-28 19:05:42,060 INFO L280 TraceCheckUtils]: 19: Hoare triple {5549#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5549#true} is VALID [2020-07-28 19:05:42,061 INFO L280 TraceCheckUtils]: 20: Hoare triple {5549#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {5549#true} is VALID [2020-07-28 19:05:42,061 INFO L280 TraceCheckUtils]: 21: Hoare triple {5549#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {5549#true} is VALID [2020-07-28 19:05:42,061 INFO L280 TraceCheckUtils]: 22: Hoare triple {5549#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; {5549#true} is VALID [2020-07-28 19:05:42,061 INFO L280 TraceCheckUtils]: 23: Hoare triple {5549#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5549#true} is VALID [2020-07-28 19:05:42,061 INFO L280 TraceCheckUtils]: 24: Hoare triple {5549#true} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {5549#true} is VALID [2020-07-28 19:05:42,062 INFO L280 TraceCheckUtils]: 25: Hoare triple {5549#true} processEnvironment_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret14 && processEnvironment_#t~ret14 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret14;havoc processEnvironment_#t~ret14; {5549#true} is VALID [2020-07-28 19:05:42,062 INFO L280 TraceCheckUtils]: 26: Hoare triple {5549#true} assume 0 != processEnvironment_~tmp~2;havoc activatePump_#t~ret15, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret16, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {5549#true} is VALID [2020-07-28 19:05:42,062 INFO L280 TraceCheckUtils]: 27: Hoare triple {5549#true} isMethaneAlarm_#t~ret16 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret16 && isMethaneAlarm_#t~ret16 <= 2147483647;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret16;havoc isMethaneAlarm_#t~ret16;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; {5549#true} is VALID [2020-07-28 19:05:42,063 INFO L280 TraceCheckUtils]: 28: Hoare triple {5549#true} activatePump_#t~ret15 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret15 && activatePump_#t~ret15 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret15;havoc activatePump_#t~ret15; {5549#true} is VALID [2020-07-28 19:05:42,064 INFO L280 TraceCheckUtils]: 29: Hoare triple {5549#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,065 INFO L280 TraceCheckUtils]: 30: Hoare triple {5644#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,065 INFO L280 TraceCheckUtils]: 31: Hoare triple {5644#(<= 1 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,066 INFO L280 TraceCheckUtils]: 32: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,067 INFO L280 TraceCheckUtils]: 33: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume !false; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,067 INFO L280 TraceCheckUtils]: 34: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,068 INFO L280 TraceCheckUtils]: 35: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,069 INFO L280 TraceCheckUtils]: 36: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,070 INFO L280 TraceCheckUtils]: 37: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,070 INFO L280 TraceCheckUtils]: 38: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,071 INFO L280 TraceCheckUtils]: 39: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,072 INFO L280 TraceCheckUtils]: 40: Hoare triple {5644#(<= 1 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {5644#(<= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:05:42,073 INFO L280 TraceCheckUtils]: 41: Hoare triple {5644#(<= 1 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5681#(<= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:42,074 INFO L280 TraceCheckUtils]: 42: Hoare triple {5681#(<= 1 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret0 && __utac_acc__Specification5_spec__2_#t~ret0 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,075 INFO L280 TraceCheckUtils]: 43: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~pumpRunning~0; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,075 INFO L280 TraceCheckUtils]: 44: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,076 INFO L280 TraceCheckUtils]: 45: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,077 INFO L280 TraceCheckUtils]: 46: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume !(0 == ~pumpRunning~0); {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,078 INFO L280 TraceCheckUtils]: 47: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,078 INFO L280 TraceCheckUtils]: 48: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret1 && __utac_acc__Specification5_spec__3_#t~ret1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,079 INFO L280 TraceCheckUtils]: 49: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,080 INFO L280 TraceCheckUtils]: 50: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret2 && __utac_acc__Specification5_spec__3_#t~ret2 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,081 INFO L280 TraceCheckUtils]: 51: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0; {5685#(<= 1 ~switchedOnBeforeTS~0)} is VALID [2020-07-28 19:05:42,081 INFO L280 TraceCheckUtils]: 52: Hoare triple {5685#(<= 1 ~switchedOnBeforeTS~0)} assume 0 == ~switchedOnBeforeTS~0; {5550#false} is VALID [2020-07-28 19:05:42,082 INFO L280 TraceCheckUtils]: 53: Hoare triple {5550#false} assume !false; {5550#false} is VALID [2020-07-28 19:05:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:42,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:05:42,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-28 19:05:42,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882856376] [2020-07-28 19:05:42,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-28 19:05:42,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:42,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:05:42,197 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:42,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:05:42,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:42,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:05:42,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:05:42,198 INFO L87 Difference]: Start difference. First operand 166 states and 218 transitions. Second operand 8 states. [2020-07-28 19:05:43,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:43,386 INFO L93 Difference]: Finished difference Result 296 states and 394 transitions. [2020-07-28 19:05:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:05:43,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-28 19:05:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:05:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2020-07-28 19:05:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:05:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2020-07-28 19:05:43,390 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 153 transitions. [2020-07-28 19:05:43,572 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:43,572 INFO L225 Difference]: With dead ends: 296 [2020-07-28 19:05:43,572 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:43,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:05:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:43,574 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:43,574 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:43,574 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:43,575 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:43,575 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:43,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:43,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:43,576 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:43,576 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:43,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:43,576 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:43,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:43,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:43,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:43,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:43,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-28 19:05:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:43,577 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:43,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:05:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:43,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:43,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:05:43,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:44,387 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2020-07-28 19:05:44,510 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2020-07-28 19:05:44,649 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2020-07-28 19:05:44,793 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2020-07-28 19:05:44,984 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-28 19:05:45,120 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-28 19:05:45,288 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2020-07-28 19:05:45,634 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-07-28 19:05:45,651 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2020-07-28 19:05:45,651 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,651 INFO L264 CegarLoopResult]: At program point L465(lines 450 468) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2020-07-28 19:05:45,652 INFO L264 CegarLoopResult]: At program point L465-1(lines 450 468) the Hoare annotation is: false [2020-07-28 19:05:45,652 INFO L264 CegarLoopResult]: At program point L465-2(lines 450 468) the Hoare annotation is: false [2020-07-28 19:05:45,652 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-07-28 19:05:45,652 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:45,652 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-28 19:05:45,652 INFO L264 CegarLoopResult]: At program point L70-1(lines 1 943) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse6 (= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse1) (and .cse0 .cse4 .cse5 .cse6 .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:45,652 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2020-07-28 19:05:45,652 INFO L268 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2020-07-28 19:05:45,653 INFO L264 CegarLoopResult]: At program point L70-3(lines 1 943) the Hoare annotation is: false [2020-07-28 19:05:45,653 INFO L268 CegarLoopResult]: For program point L516-2(lines 510 521) no Hoare annotation was computed. [2020-07-28 19:05:45,653 INFO L268 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2020-07-28 19:05:45,653 INFO L264 CegarLoopResult]: At program point L70-5(lines 1 943) the Hoare annotation is: false [2020-07-28 19:05:45,653 INFO L264 CegarLoopResult]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:05:45,654 INFO L264 CegarLoopResult]: At program point L186-1(lines 177 190) the Hoare annotation is: false [2020-07-28 19:05:45,654 INFO L264 CegarLoopResult]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2020-07-28 19:05:45,654 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-07-28 19:05:45,654 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse3 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse0 .cse4 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-28 19:05:45,654 INFO L264 CegarLoopResult]: At program point L401(lines 394 404) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 2 ~waterLevel~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,655 INFO L264 CegarLoopResult]: At program point L401-1(lines 394 404) the Hoare annotation is: false [2020-07-28 19:05:45,655 INFO L264 CegarLoopResult]: At program point L401-2(lines 394 404) the Hoare annotation is: false [2020-07-28 19:05:45,655 INFO L268 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-07-28 19:05:45,655 INFO L268 CegarLoopResult]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2020-07-28 19:05:45,655 INFO L268 CegarLoopResult]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2020-07-28 19:05:45,655 INFO L264 CegarLoopResult]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,655 INFO L264 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2020-07-28 19:05:45,655 INFO L264 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,655 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-28 19:05:45,656 INFO L264 CegarLoopResult]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse4 (= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse3 .cse4 .cse1) (and .cse0 .cse5 (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:45,656 INFO L264 CegarLoopResult]: At program point L173-1(lines 168 176) the Hoare annotation is: false [2020-07-28 19:05:45,656 INFO L264 CegarLoopResult]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2020-07-28 19:05:45,656 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-28 19:05:45,656 INFO L268 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2020-07-28 19:05:45,656 INFO L268 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2020-07-28 19:05:45,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:45,656 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L268 CegarLoopResult]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L264 CegarLoopResult]: At program point L141(lines 136 144) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 2 ~waterLevel~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,657 INFO L264 CegarLoopResult]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2020-07-28 19:05:45,657 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L264 CegarLoopResult]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2020-07-28 19:05:45,657 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L268 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2020-07-28 19:05:45,657 INFO L271 CegarLoopResult]: At program point L290(lines 271 293) the Hoare annotation is: true [2020-07-28 19:05:45,658 INFO L264 CegarLoopResult]: At program point L59(lines 307 313) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 .cse2 .cse3 (= 1 ~waterLevel~0) .cse1) (and .cse0 .cse2 (= 2 ~waterLevel~0) .cse3 .cse1))) [2020-07-28 19:05:45,658 INFO L264 CegarLoopResult]: At program point L59-1(lines 307 313) the Hoare annotation is: false [2020-07-28 19:05:45,658 INFO L264 CegarLoopResult]: At program point L59-2(lines 307 313) the Hoare annotation is: false [2020-07-28 19:05:45,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,658 INFO L264 CegarLoopResult]: At program point L307(lines 303 325) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 .cse2 (= 1 ~waterLevel~0) .cse1) (and .cse0 .cse2 (= 2 ~waterLevel~0) .cse1))) [2020-07-28 19:05:45,659 INFO L264 CegarLoopResult]: At program point L307-1(lines 303 325) the Hoare annotation is: false [2020-07-28 19:05:45,659 INFO L264 CegarLoopResult]: At program point L307-2(lines 303 325) the Hoare annotation is: false [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:45,659 INFO L264 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse3 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse0 .cse4 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point L128(lines 128 132) no Hoare annotation was computed. [2020-07-28 19:05:45,659 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L459-5(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,660 INFO L268 CegarLoopResult]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,661 INFO L268 CegarLoopResult]: For program point L459-8(lines 459 463) no Hoare annotation was computed. [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410(lines 405 413) the Hoare annotation is: (let ((.cse1 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse6 .cse5 .cse2))) [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410-1(lines 405 413) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410-2(lines 405 413) the Hoare annotation is: false [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410-3(lines 405 413) the Hoare annotation is: false [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410-4(lines 405 413) the Hoare annotation is: false [2020-07-28 19:05:45,661 INFO L264 CegarLoopResult]: At program point L410-5(lines 405 413) the Hoare annotation is: false [2020-07-28 19:05:45,662 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: false [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2020-07-28 19:05:45,662 INFO L264 CegarLoopResult]: At program point L923(lines 1 943) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point L940-2(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:45,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-07-28 19:05:45,663 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-07-28 19:05:45,663 INFO L268 CegarLoopResult]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2020-07-28 19:05:45,663 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2020-07-28 19:05:45,663 INFO L264 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:45,663 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse4 (= 1 ~waterLevel~0) .cse1) (and .cse0 .cse4 .cse3 .cse1))) [2020-07-28 19:05:45,663 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-28 19:05:45,663 INFO L264 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: false [2020-07-28 19:05:45,663 INFO L264 CegarLoopResult]: At program point L314-2(lines 314 320) the Hoare annotation is: false [2020-07-28 19:05:45,664 INFO L271 CegarLoopResult]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2020-07-28 19:05:45,664 INFO L268 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-07-28 19:05:45,668 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:45,668 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:45,669 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-28 19:05:45,669 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-28 19:05:45,669 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-28 19:05:45,678 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:45,684 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L104-3 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L104-3 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L104-3 has no Hoare annotation [2020-07-28 19:05:45,685 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L181-1 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L181-1 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 19:05:45,686 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L459-3 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:05:45,687 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:05:45,688 WARN L170 areAnnotationChecker]: L459-3 has no Hoare annotation [2020-07-28 19:05:45,688 WARN L170 areAnnotationChecker]: L459-3 has no Hoare annotation [2020-07-28 19:05:45,688 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 19:05:45,688 WARN L170 areAnnotationChecker]: L516-2 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L516 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L516 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L459-5 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 19:05:45,689 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:05:45,691 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 19:05:45,692 WARN L170 areAnnotationChecker]: L75-2 has no Hoare annotation [2020-07-28 19:05:45,692 WARN L170 areAnnotationChecker]: L75-2 has no Hoare annotation [2020-07-28 19:05:45,692 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 19:05:45,692 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:05:45,695 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L940-1 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L940-1 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:05:45,696 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:05:45,700 WARN L170 areAnnotationChecker]: L208-1 has no Hoare annotation [2020-07-28 19:05:45,701 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:05:45,701 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:05:45,702 WARN L170 areAnnotationChecker]: L376-2 has no Hoare annotation [2020-07-28 19:05:45,702 WARN L170 areAnnotationChecker]: L181 has no Hoare annotation [2020-07-28 19:05:45,704 WARN L170 areAnnotationChecker]: L181 has no Hoare annotation [2020-07-28 19:05:45,704 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:05:45,704 WARN L170 areAnnotationChecker]: L376-2 has no Hoare annotation [2020-07-28 19:05:45,704 WARN L170 areAnnotationChecker]: L376-2 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L104-6 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L104-6 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L104-6 has no Hoare annotation [2020-07-28 19:05:45,705 WARN L170 areAnnotationChecker]: L339-2 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L339-2 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L339-2 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L459-2 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L181-2 has no Hoare annotation [2020-07-28 19:05:45,706 WARN L170 areAnnotationChecker]: L181-2 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L70-4 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L459-6 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L70-4 has no Hoare annotation [2020-07-28 19:05:45,707 WARN L170 areAnnotationChecker]: L70-4 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L940 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L940 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L459-6 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L459-6 has no Hoare annotation [2020-07-28 19:05:45,708 WARN L170 areAnnotationChecker]: L74-4 has no Hoare annotation [2020-07-28 19:05:45,715 WARN L170 areAnnotationChecker]: L459-8 has no Hoare annotation [2020-07-28 19:05:45,715 WARN L170 areAnnotationChecker]: L74-4 has no Hoare annotation [2020-07-28 19:05:45,715 WARN L170 areAnnotationChecker]: L74-4 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L75-4 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L75-4 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L940-2 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L940-2 has no Hoare annotation [2020-07-28 19:05:45,716 WARN L170 areAnnotationChecker]: L376-4 has no Hoare annotation [2020-07-28 19:05:45,717 WARN L170 areAnnotationChecker]: L376-4 has no Hoare annotation [2020-07-28 19:05:45,717 WARN L170 areAnnotationChecker]: L376-4 has no Hoare annotation [2020-07-28 19:05:45,717 INFO L163 areAnnotationChecker]: CFG has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:45,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:45 BoogieIcfgContainer [2020-07-28 19:05:45,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:45,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:45,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:45,766 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:45,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:30" (3/4) ... [2020-07-28 19:05:45,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:45,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:45,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:45,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:45,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:45,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:45,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:45,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:45,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 2 == tmp) && 2 == \result) && 1 == systemActive)) || (((((0 == splverifierCounter && 2 == waterLevel) && 2 == tmp) && 2 == \result) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,827 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,827 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,828 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 == \result) && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == \result) && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:45,829 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((0 == splverifierCounter && 0 == \result) && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:45,829 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,829 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,830 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 2 == waterLevel) && 2 == \result) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 2 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,831 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,831 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:45,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp___0 && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:45,891 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:45,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:45,893 INFO L168 Benchmark]: Toolchain (without parser) took 17774.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.6 MB). Free memory was 952.2 MB in the beginning and 981.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 351.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,894 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:45,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.41 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,895 INFO L168 Benchmark]: Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:45,895 INFO L168 Benchmark]: RCFGBuilder took 1641.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 955.1 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,896 INFO L168 Benchmark]: TraceAbstraction took 15097.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 955.1 MB in the beginning and 992.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,896 INFO L168 Benchmark]: Witness Printer took 125.29 ms. Allocated memory is still 1.4 GB. Free memory was 992.2 MB in the beginning and 981.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:45,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.41 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1641.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 955.1 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15097.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 955.1 MB in the beginning and 992.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. * Witness Printer took 125.29 ms. Allocated memory is still 1.4 GB. Free memory was 992.2 MB in the beginning and 981.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 2 == waterLevel) && 2 == \result) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 2 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 2 == tmp) && 2 == \result) && 1 == systemActive)) || (((((0 == splverifierCounter && 2 == waterLevel) && 2 == tmp) && 2 == \result) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((0 == splverifierCounter && 0 == \result) && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((0 == tmp___0 && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && 1 == switchedOnBeforeTS) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 == \result) && 2 == waterLevel) && 1 == systemActive) && 1 == pumpRunning)) || ((((0 == splverifierCounter && 0 == \result) && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 830 SDtfs, 798 SDslu, 1225 SDs, 0 SdLazy, 180 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 387 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 643 HoareAnnotationTreeSize, 43 FomulaSimplifications, 10202 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 3328 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 26413 SizeOfPredicates, 4 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...