./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product39.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 c228d9f74ddd17cda7010ca670107d7221f92470 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:03:28,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:28,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:28,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:28,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:28,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:28,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:28,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:28,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:28,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:28,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:28,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:28,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:28,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:28,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:28,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:28,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:28,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:28,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:28,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:28,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:28,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:28,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:28,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:28,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:28,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:28,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:28,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:28,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:28,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:28,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:28,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:28,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:28,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:28,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:28,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:28,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:28,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:28,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:28,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:28,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:28,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:28,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:28,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:28,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:28,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:28,916 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:28,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:28,917 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:28,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:28,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:28,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:28,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:28,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:28,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:28,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:28,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:28,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:28,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:28,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:28,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:28,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:28,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:28,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:28,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:28,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:28,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:28,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:28,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:28,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:28,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:28,922 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 -> c228d9f74ddd17cda7010ca670107d7221f92470 [2020-07-28 19:03:29,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:29,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:29,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:29,301 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:29,303 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:29,304 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c [2020-07-28 19:03:29,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead864257/672c67b458204302800a3559ff233f35/FLAG42658834f [2020-07-28 19:03:29,819 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:29,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c [2020-07-28 19:03:29,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead864257/672c67b458204302800a3559ff233f35/FLAG42658834f [2020-07-28 19:03:30,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead864257/672c67b458204302800a3559ff233f35 [2020-07-28 19:03:30,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:30,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:30,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:30,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:30,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:30,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:30,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251766c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30, skipping insertion in model container [2020-07-28 19:03:30,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:30,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:30,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:30,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:30,769 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:30,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:30,975 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:30,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30 WrapperNode [2020-07-28 19:03:30,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:30,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:30,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:30,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:30,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:31,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:31,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:31,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:31,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... [2020-07-28 19:03:31,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:31,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:31,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:31,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:31,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:32,921 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:32,921 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 19:03:32,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:32 BoogieIcfgContainer [2020-07-28 19:03:32,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:32,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:32,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:32,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:32,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:30" (1/3) ... [2020-07-28 19:03:32,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52353767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:32, skipping insertion in model container [2020-07-28 19:03:32,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:30" (2/3) ... [2020-07-28 19:03:32,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52353767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:32, skipping insertion in model container [2020-07-28 19:03:32,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:32" (3/3) ... [2020-07-28 19:03:32,940 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product39.cil.c [2020-07-28 19:03:32,951 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:32,959 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:32,970 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:32,993 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:32,993 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:32,994 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:32,994 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:32,994 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:32,994 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:32,995 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:32,995 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-07-28 19:03:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:33,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:33,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:33,021 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1221872895, now seen corresponding path program 1 times [2020-07-28 19:03:33,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:33,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555687092] [2020-07-28 19:03:33,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:33,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {116#true} is VALID [2020-07-28 19:03:33,397 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {116#true} is VALID [2020-07-28 19:03:33,397 INFO L280 TraceCheckUtils]: 2: Hoare triple {116#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {116#true} is VALID [2020-07-28 19:03:33,398 INFO L280 TraceCheckUtils]: 3: Hoare triple {116#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {116#true} is VALID [2020-07-28 19:03:33,398 INFO L280 TraceCheckUtils]: 4: Hoare triple {116#true} assume 0 != main_~tmp~7; {116#true} is VALID [2020-07-28 19:03:33,404 INFO L280 TraceCheckUtils]: 5: Hoare triple {116#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {116#true} is VALID [2020-07-28 19:03:33,408 INFO L280 TraceCheckUtils]: 6: Hoare triple {116#true} assume false; {117#false} is VALID [2020-07-28 19:03:33,408 INFO L280 TraceCheckUtils]: 7: Hoare triple {117#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {117#false} is VALID [2020-07-28 19:03:33,409 INFO L280 TraceCheckUtils]: 8: Hoare triple {117#false} assume !(0 != ~pumpRunning~0); {117#false} is VALID [2020-07-28 19:03:33,409 INFO L280 TraceCheckUtils]: 9: Hoare triple {117#false} assume !(0 != ~systemActive~0); {117#false} is VALID [2020-07-28 19:03:33,410 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {117#false} is VALID [2020-07-28 19:03:33,410 INFO L280 TraceCheckUtils]: 11: Hoare triple {117#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {117#false} is VALID [2020-07-28 19:03:33,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {117#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {117#false} is VALID [2020-07-28 19:03:33,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {117#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {117#false} is VALID [2020-07-28 19:03:33,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {117#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {117#false} is VALID [2020-07-28 19:03:33,413 INFO L280 TraceCheckUtils]: 15: Hoare triple {117#false} assume !false; {117#false} is VALID [2020-07-28 19:03:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:33,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555687092] [2020-07-28 19:03:33,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:33,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:33,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632667863] [2020-07-28 19:03:33,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:33,431 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:33,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:33,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:33,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:33,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:33,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:33,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:33,504 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-07-28 19:03:33,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:33,811 INFO L93 Difference]: Finished difference Result 220 states and 335 transitions. [2020-07-28 19:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:33,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 19:03:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 19:03:33,831 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 335 transitions. [2020-07-28 19:03:34,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:34,265 INFO L225 Difference]: With dead ends: 220 [2020-07-28 19:03:34,265 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 19:03:34,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:34,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 19:03:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-28 19:03:34,376 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:34,376 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 109 states. [2020-07-28 19:03:34,377 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 19:03:34,379 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 19:03:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:34,394 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 19:03:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 19:03:34,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:34,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:34,396 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 19:03:34,397 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 19:03:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:34,418 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 19:03:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 19:03:34,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:34,420 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:34,421 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:34,421 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 19:03:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2020-07-28 19:03:34,431 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 16 [2020-07-28 19:03:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:34,431 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2020-07-28 19:03:34,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 19:03:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:34,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:34,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:34,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:34,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:34,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:34,436 INFO L82 PathProgramCache]: Analyzing trace with hash 175115998, now seen corresponding path program 1 times [2020-07-28 19:03:34,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:34,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581792423] [2020-07-28 19:03:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:34,594 INFO L280 TraceCheckUtils]: 0: Hoare triple {794#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {794#true} is VALID [2020-07-28 19:03:34,594 INFO L280 TraceCheckUtils]: 1: Hoare triple {794#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {794#true} is VALID [2020-07-28 19:03:34,595 INFO L280 TraceCheckUtils]: 2: Hoare triple {794#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {794#true} is VALID [2020-07-28 19:03:34,595 INFO L280 TraceCheckUtils]: 3: Hoare triple {794#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {794#true} is VALID [2020-07-28 19:03:34,595 INFO L280 TraceCheckUtils]: 4: Hoare triple {794#true} assume 0 != main_~tmp~7; {794#true} is VALID [2020-07-28 19:03:34,596 INFO L280 TraceCheckUtils]: 5: Hoare triple {794#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:34,597 INFO L280 TraceCheckUtils]: 6: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:34,598 INFO L280 TraceCheckUtils]: 7: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {795#false} is VALID [2020-07-28 19:03:34,598 INFO L280 TraceCheckUtils]: 8: Hoare triple {795#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {795#false} is VALID [2020-07-28 19:03:34,599 INFO L280 TraceCheckUtils]: 9: Hoare triple {795#false} assume !(0 != ~pumpRunning~0); {795#false} is VALID [2020-07-28 19:03:34,599 INFO L280 TraceCheckUtils]: 10: Hoare triple {795#false} assume !(0 != ~systemActive~0); {795#false} is VALID [2020-07-28 19:03:34,599 INFO L280 TraceCheckUtils]: 11: Hoare triple {795#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {795#false} is VALID [2020-07-28 19:03:34,600 INFO L280 TraceCheckUtils]: 12: Hoare triple {795#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {795#false} is VALID [2020-07-28 19:03:34,600 INFO L280 TraceCheckUtils]: 13: Hoare triple {795#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {795#false} is VALID [2020-07-28 19:03:34,600 INFO L280 TraceCheckUtils]: 14: Hoare triple {795#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {795#false} is VALID [2020-07-28 19:03:34,601 INFO L280 TraceCheckUtils]: 15: Hoare triple {795#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {795#false} is VALID [2020-07-28 19:03:34,601 INFO L280 TraceCheckUtils]: 16: Hoare triple {795#false} assume !false; {795#false} is VALID [2020-07-28 19:03:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:34,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581792423] [2020-07-28 19:03:34,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:34,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:34,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988588892] [2020-07-28 19:03:34,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:34,606 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:34,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:34,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:34,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:34,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:34,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:34,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:34,637 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 3 states. [2020-07-28 19:03:34,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:34,862 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 19:03:34,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:34,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 19:03:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 19:03:34,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 159 transitions. [2020-07-28 19:03:35,045 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:35,046 INFO L225 Difference]: With dead ends: 109 [2020-07-28 19:03:35,047 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 19:03:35,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 19:03:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 19:03:35,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:35,067 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:35,067 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:35,067 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:35,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:35,069 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 19:03:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:35,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:35,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:35,070 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:35,071 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 19:03:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:35,073 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 19:03:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:35,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:35,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:35,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:35,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 19:03:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 19:03:35,077 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-07-28 19:03:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:35,078 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 19:03:35,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 19:03:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:35,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:35,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:35,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:35,080 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:35,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1744081540, now seen corresponding path program 1 times [2020-07-28 19:03:35,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:35,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796053662] [2020-07-28 19:03:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:35,206 INFO L280 TraceCheckUtils]: 0: Hoare triple {1109#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {1111#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {1111#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {1111#(= 1 ~systemActive~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,209 INFO L280 TraceCheckUtils]: 4: Hoare triple {1111#(= 1 ~systemActive~0)} assume 0 != main_~tmp~7; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,210 INFO L280 TraceCheckUtils]: 5: Hoare triple {1111#(= 1 ~systemActive~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,211 INFO L280 TraceCheckUtils]: 6: Hoare triple {1111#(= 1 ~systemActive~0)} assume !false; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,212 INFO L280 TraceCheckUtils]: 7: Hoare triple {1111#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,212 INFO L280 TraceCheckUtils]: 8: Hoare triple {1111#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,213 INFO L280 TraceCheckUtils]: 9: Hoare triple {1111#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3); {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,214 INFO L280 TraceCheckUtils]: 10: Hoare triple {1111#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,214 INFO L280 TraceCheckUtils]: 11: Hoare triple {1111#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,215 INFO L280 TraceCheckUtils]: 12: Hoare triple {1111#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,216 INFO L280 TraceCheckUtils]: 13: Hoare triple {1111#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,217 INFO L280 TraceCheckUtils]: 14: Hoare triple {1111#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:35,218 INFO L280 TraceCheckUtils]: 15: Hoare triple {1111#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1110#false} is VALID [2020-07-28 19:03:35,218 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {1110#false} is VALID [2020-07-28 19:03:35,219 INFO L280 TraceCheckUtils]: 17: Hoare triple {1110#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {1110#false} is VALID [2020-07-28 19:03:35,219 INFO L280 TraceCheckUtils]: 18: Hoare triple {1110#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1110#false} is VALID [2020-07-28 19:03:35,219 INFO L280 TraceCheckUtils]: 19: Hoare triple {1110#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {1110#false} is VALID [2020-07-28 19:03:35,220 INFO L280 TraceCheckUtils]: 20: Hoare triple {1110#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1110#false} is VALID [2020-07-28 19:03:35,220 INFO L280 TraceCheckUtils]: 21: Hoare triple {1110#false} assume !false; {1110#false} is VALID [2020-07-28 19:03:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:35,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796053662] [2020-07-28 19:03:35,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:35,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:35,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353715837] [2020-07-28 19:03:35,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:35,228 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:35,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:35,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:35,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:35,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:35,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:35,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:35,272 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-07-28 19:03:35,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:35,592 INFO L93 Difference]: Finished difference Result 129 states and 192 transitions. [2020-07-28 19:03:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:35,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:35,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:03:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:03:35,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 19:03:35,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:35,897 INFO L225 Difference]: With dead ends: 129 [2020-07-28 19:03:35,897 INFO L226 Difference]: Without dead ends: 88 [2020-07-28 19:03:35,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:35,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-28 19:03:35,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-07-28 19:03:35,974 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:35,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 84 states. [2020-07-28 19:03:35,975 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 84 states. [2020-07-28 19:03:35,975 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 84 states. [2020-07-28 19:03:35,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:35,982 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2020-07-28 19:03:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2020-07-28 19:03:35,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:35,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:35,988 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 88 states. [2020-07-28 19:03:35,988 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 88 states. [2020-07-28 19:03:35,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:35,998 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2020-07-28 19:03:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2020-07-28 19:03:35,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:36,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:36,000 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:36,000 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-28 19:03:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2020-07-28 19:03:36,007 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 22 [2020-07-28 19:03:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:36,008 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2020-07-28 19:03:36,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2020-07-28 19:03:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:36,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:36,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:36,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:36,010 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:36,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:36,013 INFO L82 PathProgramCache]: Analyzing trace with hash -595366227, now seen corresponding path program 1 times [2020-07-28 19:03:36,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:36,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322631366] [2020-07-28 19:03:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:36,156 INFO L280 TraceCheckUtils]: 0: Hoare triple {1583#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,157 INFO L280 TraceCheckUtils]: 1: Hoare triple {1585#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,158 INFO L280 TraceCheckUtils]: 2: Hoare triple {1585#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,158 INFO L280 TraceCheckUtils]: 3: Hoare triple {1585#(= 0 ~pumpRunning~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,159 INFO L280 TraceCheckUtils]: 4: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~7; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,161 INFO L280 TraceCheckUtils]: 5: Hoare triple {1585#(= 0 ~pumpRunning~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,164 INFO L280 TraceCheckUtils]: 6: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !false; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,166 INFO L280 TraceCheckUtils]: 9: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,167 INFO L280 TraceCheckUtils]: 10: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,168 INFO L280 TraceCheckUtils]: 11: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,169 INFO L280 TraceCheckUtils]: 12: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,170 INFO L280 TraceCheckUtils]: 13: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,171 INFO L280 TraceCheckUtils]: 14: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,171 INFO L280 TraceCheckUtils]: 15: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,172 INFO L280 TraceCheckUtils]: 16: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {1585#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:36,173 INFO L280 TraceCheckUtils]: 17: Hoare triple {1585#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1584#false} is VALID [2020-07-28 19:03:36,173 INFO L280 TraceCheckUtils]: 18: Hoare triple {1584#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {1584#false} is VALID [2020-07-28 19:03:36,174 INFO L280 TraceCheckUtils]: 19: Hoare triple {1584#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {1584#false} is VALID [2020-07-28 19:03:36,174 INFO L280 TraceCheckUtils]: 20: Hoare triple {1584#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1584#false} is VALID [2020-07-28 19:03:36,174 INFO L280 TraceCheckUtils]: 21: Hoare triple {1584#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {1584#false} is VALID [2020-07-28 19:03:36,174 INFO L280 TraceCheckUtils]: 22: Hoare triple {1584#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1584#false} is VALID [2020-07-28 19:03:36,175 INFO L280 TraceCheckUtils]: 23: Hoare triple {1584#false} assume !false; {1584#false} is VALID [2020-07-28 19:03:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:36,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322631366] [2020-07-28 19:03:36,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:36,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:36,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503265026] [2020-07-28 19:03:36,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:36,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:36,179 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:36,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:36,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:36,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:36,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:36,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:36,217 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand 3 states. [2020-07-28 19:03:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:36,505 INFO L93 Difference]: Finished difference Result 203 states and 306 transitions. [2020-07-28 19:03:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:36,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:36,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 19:03:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2020-07-28 19:03:36,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 163 transitions. [2020-07-28 19:03:36,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:36,707 INFO L225 Difference]: With dead ends: 203 [2020-07-28 19:03:36,707 INFO L226 Difference]: Without dead ends: 125 [2020-07-28 19:03:36,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-28 19:03:36,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-28 19:03:36,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:36,774 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 123 states. [2020-07-28 19:03:36,775 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 123 states. [2020-07-28 19:03:36,775 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 123 states. [2020-07-28 19:03:36,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:36,779 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-07-28 19:03:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-07-28 19:03:36,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:36,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:36,780 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 125 states. [2020-07-28 19:03:36,780 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 125 states. [2020-07-28 19:03:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:36,786 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-07-28 19:03:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-07-28 19:03:36,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:36,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:36,787 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:36,787 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-28 19:03:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2020-07-28 19:03:36,792 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 24 [2020-07-28 19:03:36,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:36,793 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2020-07-28 19:03:36,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2020-07-28 19:03:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:03:36,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:36,794 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] [2020-07-28 19:03:36,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:36,795 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash 566175321, now seen corresponding path program 1 times [2020-07-28 19:03:36,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:36,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262267398] [2020-07-28 19:03:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:36,910 INFO L280 TraceCheckUtils]: 0: Hoare triple {2289#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {2291#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {2291#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,912 INFO L280 TraceCheckUtils]: 3: Hoare triple {2291#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,913 INFO L280 TraceCheckUtils]: 4: Hoare triple {2291#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,914 INFO L280 TraceCheckUtils]: 5: Hoare triple {2291#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,914 INFO L280 TraceCheckUtils]: 6: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !false; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,915 INFO L280 TraceCheckUtils]: 7: Hoare triple {2291#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,916 INFO L280 TraceCheckUtils]: 8: Hoare triple {2291#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,917 INFO L280 TraceCheckUtils]: 9: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,917 INFO L280 TraceCheckUtils]: 10: Hoare triple {2291#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,918 INFO L280 TraceCheckUtils]: 11: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,920 INFO L280 TraceCheckUtils]: 12: Hoare triple {2291#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,921 INFO L280 TraceCheckUtils]: 13: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,922 INFO L280 TraceCheckUtils]: 14: Hoare triple {2291#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,924 INFO L280 TraceCheckUtils]: 15: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,925 INFO L280 TraceCheckUtils]: 16: Hoare triple {2291#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,926 INFO L280 TraceCheckUtils]: 17: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,926 INFO L280 TraceCheckUtils]: 18: Hoare triple {2291#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2291#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:36,927 INFO L280 TraceCheckUtils]: 19: Hoare triple {2291#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {2292#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:36,928 INFO L280 TraceCheckUtils]: 20: Hoare triple {2292#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {2293#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} is VALID [2020-07-28 19:03:36,928 INFO L280 TraceCheckUtils]: 21: Hoare triple {2293#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2290#false} is VALID [2020-07-28 19:03:36,929 INFO L280 TraceCheckUtils]: 22: Hoare triple {2290#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {2290#false} is VALID [2020-07-28 19:03:36,929 INFO L280 TraceCheckUtils]: 23: Hoare triple {2290#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {2290#false} is VALID [2020-07-28 19:03:36,929 INFO L280 TraceCheckUtils]: 24: Hoare triple {2290#false} assume !false; {2290#false} is VALID [2020-07-28 19:03:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:36,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262267398] [2020-07-28 19:03:36,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:36,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:36,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259161204] [2020-07-28 19:03:36,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:03:36,931 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:36,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:36,969 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:36,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:36,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:36,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:36,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:36,971 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand 5 states. [2020-07-28 19:03:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:38,009 INFO L93 Difference]: Finished difference Result 439 states and 645 transitions. [2020-07-28 19:03:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:38,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:03:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 250 transitions. [2020-07-28 19:03:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 250 transitions. [2020-07-28 19:03:38,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 250 transitions. [2020-07-28 19:03:38,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 250 edges. 250 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:38,354 INFO L225 Difference]: With dead ends: 439 [2020-07-28 19:03:38,355 INFO L226 Difference]: Without dead ends: 322 [2020-07-28 19:03:38,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:38,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-28 19:03:38,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 206. [2020-07-28 19:03:38,593 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:38,593 INFO L82 GeneralOperation]: Start isEquivalent. First operand 322 states. Second operand 206 states. [2020-07-28 19:03:38,593 INFO L74 IsIncluded]: Start isIncluded. First operand 322 states. Second operand 206 states. [2020-07-28 19:03:38,593 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 206 states. [2020-07-28 19:03:38,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:38,607 INFO L93 Difference]: Finished difference Result 322 states and 457 transitions. [2020-07-28 19:03:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 457 transitions. [2020-07-28 19:03:38,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:38,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:38,609 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 322 states. [2020-07-28 19:03:38,609 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 322 states. [2020-07-28 19:03:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:38,623 INFO L93 Difference]: Finished difference Result 322 states and 457 transitions. [2020-07-28 19:03:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 457 transitions. [2020-07-28 19:03:38,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:38,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:38,624 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:38,624 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-28 19:03:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 290 transitions. [2020-07-28 19:03:38,633 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 290 transitions. Word has length 25 [2020-07-28 19:03:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:38,633 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 290 transitions. [2020-07-28 19:03:38,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 290 transitions. [2020-07-28 19:03:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:03:38,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:38,635 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 19:03:38,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:38,635 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:38,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:38,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1393133669, now seen corresponding path program 1 times [2020-07-28 19:03:38,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:38,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686124678] [2020-07-28 19:03:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:38,725 INFO L280 TraceCheckUtils]: 0: Hoare triple {3843#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,726 INFO L280 TraceCheckUtils]: 1: Hoare triple {3845#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {3845#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,730 INFO L280 TraceCheckUtils]: 3: Hoare triple {3845#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,732 INFO L280 TraceCheckUtils]: 4: Hoare triple {3845#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,733 INFO L280 TraceCheckUtils]: 5: Hoare triple {3845#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,733 INFO L280 TraceCheckUtils]: 6: Hoare triple {3845#(= 1 ~waterLevel~0)} assume !false; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,734 INFO L280 TraceCheckUtils]: 7: Hoare triple {3845#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,734 INFO L280 TraceCheckUtils]: 8: Hoare triple {3845#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,735 INFO L280 TraceCheckUtils]: 9: Hoare triple {3845#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~3; {3845#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,735 INFO L280 TraceCheckUtils]: 10: Hoare triple {3845#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,736 INFO L280 TraceCheckUtils]: 11: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,736 INFO L280 TraceCheckUtils]: 12: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,737 INFO L280 TraceCheckUtils]: 13: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,737 INFO L280 TraceCheckUtils]: 14: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,738 INFO L280 TraceCheckUtils]: 15: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,740 INFO L280 TraceCheckUtils]: 16: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,747 INFO L280 TraceCheckUtils]: 17: Hoare triple {3846#(<= 2 ~waterLevel~0)} ~systemActive~0 := 0; {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,748 INFO L280 TraceCheckUtils]: 18: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,749 INFO L280 TraceCheckUtils]: 19: Hoare triple {3846#(<= 2 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3846#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:38,749 INFO L280 TraceCheckUtils]: 20: Hoare triple {3846#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {3847#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:38,750 INFO L280 TraceCheckUtils]: 21: Hoare triple {3847#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {3848#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} is VALID [2020-07-28 19:03:38,751 INFO L280 TraceCheckUtils]: 22: Hoare triple {3848#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {3844#false} is VALID [2020-07-28 19:03:38,751 INFO L280 TraceCheckUtils]: 23: Hoare triple {3844#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {3844#false} is VALID [2020-07-28 19:03:38,752 INFO L280 TraceCheckUtils]: 24: Hoare triple {3844#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {3844#false} is VALID [2020-07-28 19:03:38,752 INFO L280 TraceCheckUtils]: 25: Hoare triple {3844#false} assume !false; {3844#false} is VALID [2020-07-28 19:03:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:38,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686124678] [2020-07-28 19:03:38,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:38,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:38,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519555004] [2020-07-28 19:03:38,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-28 19:03:38,755 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:38,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:38,791 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 19:03:38,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:38,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:38,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:38,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:38,793 INFO L87 Difference]: Start difference. First operand 206 states and 290 transitions. Second operand 6 states. [2020-07-28 19:03:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:40,045 INFO L93 Difference]: Finished difference Result 523 states and 758 transitions. [2020-07-28 19:03:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:03:40,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-28 19:03:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 281 transitions. [2020-07-28 19:03:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 281 transitions. [2020-07-28 19:03:40,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 281 transitions. [2020-07-28 19:03:40,363 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 281 edges. 281 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:40,381 INFO L225 Difference]: With dead ends: 523 [2020-07-28 19:03:40,382 INFO L226 Difference]: Without dead ends: 406 [2020-07-28 19:03:40,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:03:40,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-07-28 19:03:40,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 297. [2020-07-28 19:03:40,808 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:40,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 406 states. Second operand 297 states. [2020-07-28 19:03:40,809 INFO L74 IsIncluded]: Start isIncluded. First operand 406 states. Second operand 297 states. [2020-07-28 19:03:40,809 INFO L87 Difference]: Start difference. First operand 406 states. Second operand 297 states. [2020-07-28 19:03:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:40,843 INFO L93 Difference]: Finished difference Result 406 states and 569 transitions. [2020-07-28 19:03:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 569 transitions. [2020-07-28 19:03:40,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:40,847 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:40,848 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 406 states. [2020-07-28 19:03:40,848 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 406 states. [2020-07-28 19:03:40,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:40,864 INFO L93 Difference]: Finished difference Result 406 states and 569 transitions. [2020-07-28 19:03:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 569 transitions. [2020-07-28 19:03:40,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:40,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:40,866 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:40,867 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-07-28 19:03:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 413 transitions. [2020-07-28 19:03:40,878 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 413 transitions. Word has length 26 [2020-07-28 19:03:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:40,878 INFO L479 AbstractCegarLoop]: Abstraction has 297 states and 413 transitions. [2020-07-28 19:03:40,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 413 transitions. [2020-07-28 19:03:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-28 19:03:40,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:40,881 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-28 19:03:40,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:03:40,881 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:40,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:40,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1636260158, now seen corresponding path program 1 times [2020-07-28 19:03:40,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:40,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921963621] [2020-07-28 19:03:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:40,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {5807#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {5807#true} is VALID [2020-07-28 19:03:40,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {5807#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {5807#true} is VALID [2020-07-28 19:03:40,966 INFO L280 TraceCheckUtils]: 2: Hoare triple {5807#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {5807#true} is VALID [2020-07-28 19:03:40,967 INFO L280 TraceCheckUtils]: 3: Hoare triple {5807#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {5807#true} is VALID [2020-07-28 19:03:40,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {5807#true} assume 0 != main_~tmp~7; {5807#true} is VALID [2020-07-28 19:03:40,967 INFO L280 TraceCheckUtils]: 5: Hoare triple {5807#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5807#true} is VALID [2020-07-28 19:03:40,968 INFO L280 TraceCheckUtils]: 6: Hoare triple {5807#true} assume !false; {5807#true} is VALID [2020-07-28 19:03:40,968 INFO L280 TraceCheckUtils]: 7: Hoare triple {5807#true} assume test_~splverifierCounter~0 < 4; {5807#true} is VALID [2020-07-28 19:03:40,968 INFO L280 TraceCheckUtils]: 8: Hoare triple {5807#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {5807#true} is VALID [2020-07-28 19:03:40,968 INFO L280 TraceCheckUtils]: 9: Hoare triple {5807#true} assume !(0 != test_~tmp~3); {5807#true} is VALID [2020-07-28 19:03:40,969 INFO L280 TraceCheckUtils]: 10: Hoare triple {5807#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {5807#true} is VALID [2020-07-28 19:03:40,969 INFO L280 TraceCheckUtils]: 11: Hoare triple {5807#true} assume !(0 != test_~tmp___0~0); {5807#true} is VALID [2020-07-28 19:03:40,969 INFO L280 TraceCheckUtils]: 12: Hoare triple {5807#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {5807#true} is VALID [2020-07-28 19:03:40,970 INFO L280 TraceCheckUtils]: 13: Hoare triple {5807#true} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; {5807#true} is VALID [2020-07-28 19:03:40,970 INFO L280 TraceCheckUtils]: 14: Hoare triple {5807#true} assume 0 != test_~tmp___1~0; {5807#true} is VALID [2020-07-28 19:03:40,970 INFO L280 TraceCheckUtils]: 15: Hoare triple {5807#true} assume !(0 != ~pumpRunning~0); {5807#true} is VALID [2020-07-28 19:03:40,971 INFO L280 TraceCheckUtils]: 16: Hoare triple {5807#true} ~systemActive~0 := 0; {5809#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:03:40,972 INFO L280 TraceCheckUtils]: 17: Hoare triple {5809#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {5809#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:03:40,972 INFO L280 TraceCheckUtils]: 18: Hoare triple {5809#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {5808#false} is VALID [2020-07-28 19:03:40,972 INFO L280 TraceCheckUtils]: 19: Hoare triple {5808#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {5808#false} is VALID [2020-07-28 19:03:40,973 INFO L280 TraceCheckUtils]: 20: Hoare triple {5808#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {5808#false} is VALID [2020-07-28 19:03:40,973 INFO L280 TraceCheckUtils]: 21: Hoare triple {5808#false} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {5808#false} is VALID [2020-07-28 19:03:40,973 INFO L280 TraceCheckUtils]: 22: Hoare triple {5808#false} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {5808#false} is VALID [2020-07-28 19:03:40,973 INFO L280 TraceCheckUtils]: 23: Hoare triple {5808#false} assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; {5808#false} is VALID [2020-07-28 19:03:40,974 INFO L280 TraceCheckUtils]: 24: Hoare triple {5808#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {5808#false} is VALID [2020-07-28 19:03:40,974 INFO L280 TraceCheckUtils]: 25: Hoare triple {5808#false} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {5808#false} is VALID [2020-07-28 19:03:40,975 INFO L280 TraceCheckUtils]: 26: Hoare triple {5808#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {5808#false} is VALID [2020-07-28 19:03:40,975 INFO L280 TraceCheckUtils]: 27: Hoare triple {5808#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {5808#false} is VALID [2020-07-28 19:03:40,975 INFO L280 TraceCheckUtils]: 28: Hoare triple {5808#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {5808#false} is VALID [2020-07-28 19:03:40,975 INFO L280 TraceCheckUtils]: 29: Hoare triple {5808#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {5808#false} is VALID [2020-07-28 19:03:40,975 INFO L280 TraceCheckUtils]: 30: Hoare triple {5808#false} assume !false; {5808#false} is VALID [2020-07-28 19:03:40,976 INFO L280 TraceCheckUtils]: 31: Hoare triple {5808#false} assume test_~splverifierCounter~0 < 4; {5808#false} is VALID [2020-07-28 19:03:40,976 INFO L280 TraceCheckUtils]: 32: Hoare triple {5808#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {5808#false} is VALID [2020-07-28 19:03:40,976 INFO L280 TraceCheckUtils]: 33: Hoare triple {5808#false} assume !(0 != test_~tmp~3); {5808#false} is VALID [2020-07-28 19:03:40,977 INFO L280 TraceCheckUtils]: 34: Hoare triple {5808#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {5808#false} is VALID [2020-07-28 19:03:40,977 INFO L280 TraceCheckUtils]: 35: Hoare triple {5808#false} assume !(0 != test_~tmp___0~0); {5808#false} is VALID [2020-07-28 19:03:40,977 INFO L280 TraceCheckUtils]: 36: Hoare triple {5808#false} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {5808#false} is VALID [2020-07-28 19:03:40,977 INFO L280 TraceCheckUtils]: 37: Hoare triple {5808#false} assume 0 != test_~tmp___2~0; {5808#false} is VALID [2020-07-28 19:03:40,978 INFO L280 TraceCheckUtils]: 38: Hoare triple {5808#false} assume 0 != ~pumpRunning~0; {5808#false} is VALID [2020-07-28 19:03:40,978 INFO L280 TraceCheckUtils]: 39: Hoare triple {5808#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5808#false} is VALID [2020-07-28 19:03:40,978 INFO L280 TraceCheckUtils]: 40: Hoare triple {5808#false} assume !(0 != ~systemActive~0); {5808#false} is VALID [2020-07-28 19:03:40,978 INFO L280 TraceCheckUtils]: 41: Hoare triple {5808#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {5808#false} is VALID [2020-07-28 19:03:40,978 INFO L280 TraceCheckUtils]: 42: Hoare triple {5808#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {5808#false} is VALID [2020-07-28 19:03:40,979 INFO L280 TraceCheckUtils]: 43: Hoare triple {5808#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {5808#false} is VALID [2020-07-28 19:03:40,979 INFO L280 TraceCheckUtils]: 44: Hoare triple {5808#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {5808#false} is VALID [2020-07-28 19:03:40,979 INFO L280 TraceCheckUtils]: 45: Hoare triple {5808#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {5808#false} is VALID [2020-07-28 19:03:40,980 INFO L280 TraceCheckUtils]: 46: Hoare triple {5808#false} assume !false; {5808#false} is VALID [2020-07-28 19:03:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:03:40,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921963621] [2020-07-28 19:03:40,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:40,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:40,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751078985] [2020-07-28 19:03:40,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-28 19:03:40,984 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:40,984 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:41,033 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:41,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:41,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:41,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:41,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:41,034 INFO L87 Difference]: Start difference. First operand 297 states and 413 transitions. Second operand 3 states. [2020-07-28 19:03:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:41,526 INFO L93 Difference]: Finished difference Result 366 states and 504 transitions. [2020-07-28 19:03:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:41,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-28 19:03:41,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2020-07-28 19:03:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2020-07-28 19:03:41,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 157 transitions. [2020-07-28 19:03:41,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:41,685 INFO L225 Difference]: With dead ends: 366 [2020-07-28 19:03:41,685 INFO L226 Difference]: Without dead ends: 173 [2020-07-28 19:03:41,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:41,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-28 19:03:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2020-07-28 19:03:41,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:41,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 173 states. Second operand 169 states. [2020-07-28 19:03:41,862 INFO L74 IsIncluded]: Start isIncluded. First operand 173 states. Second operand 169 states. [2020-07-28 19:03:41,862 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 169 states. [2020-07-28 19:03:41,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:41,868 INFO L93 Difference]: Finished difference Result 173 states and 230 transitions. [2020-07-28 19:03:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 230 transitions. [2020-07-28 19:03:41,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:41,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:41,869 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 173 states. [2020-07-28 19:03:41,869 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 173 states. [2020-07-28 19:03:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:41,873 INFO L93 Difference]: Finished difference Result 173 states and 230 transitions. [2020-07-28 19:03:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 230 transitions. [2020-07-28 19:03:41,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:41,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:41,874 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:41,875 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-28 19:03:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 227 transitions. [2020-07-28 19:03:41,879 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 227 transitions. Word has length 47 [2020-07-28 19:03:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:41,879 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 227 transitions. [2020-07-28 19:03:41,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 227 transitions. [2020-07-28 19:03:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-28 19:03:41,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:41,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:41,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:03:41,882 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:41,882 INFO L82 PathProgramCache]: Analyzing trace with hash -764962150, now seen corresponding path program 1 times [2020-07-28 19:03:41,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:41,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657516561] [2020-07-28 19:03:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:41,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {6901#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {6901#true} is VALID [2020-07-28 19:03:41,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {6901#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {6901#true} is VALID [2020-07-28 19:03:41,951 INFO L280 TraceCheckUtils]: 2: Hoare triple {6901#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {6901#true} is VALID [2020-07-28 19:03:41,951 INFO L280 TraceCheckUtils]: 3: Hoare triple {6901#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {6901#true} is VALID [2020-07-28 19:03:41,951 INFO L280 TraceCheckUtils]: 4: Hoare triple {6901#true} assume 0 != main_~tmp~7; {6901#true} is VALID [2020-07-28 19:03:41,951 INFO L280 TraceCheckUtils]: 5: Hoare triple {6901#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6901#true} is VALID [2020-07-28 19:03:41,952 INFO L280 TraceCheckUtils]: 6: Hoare triple {6901#true} assume !false; {6901#true} is VALID [2020-07-28 19:03:41,952 INFO L280 TraceCheckUtils]: 7: Hoare triple {6901#true} assume test_~splverifierCounter~0 < 4; {6901#true} is VALID [2020-07-28 19:03:41,952 INFO L280 TraceCheckUtils]: 8: Hoare triple {6901#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {6901#true} is VALID [2020-07-28 19:03:41,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {6901#true} assume !(0 != test_~tmp~3); {6901#true} is VALID [2020-07-28 19:03:41,952 INFO L280 TraceCheckUtils]: 10: Hoare triple {6901#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {6901#true} is VALID [2020-07-28 19:03:41,953 INFO L280 TraceCheckUtils]: 11: Hoare triple {6901#true} assume !(0 != test_~tmp___0~0); {6901#true} is VALID [2020-07-28 19:03:41,953 INFO L280 TraceCheckUtils]: 12: Hoare triple {6901#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {6901#true} is VALID [2020-07-28 19:03:41,953 INFO L280 TraceCheckUtils]: 13: Hoare triple {6901#true} assume 0 != test_~tmp___2~0; {6901#true} is VALID [2020-07-28 19:03:41,954 INFO L280 TraceCheckUtils]: 14: Hoare triple {6901#true} assume !(0 != ~pumpRunning~0); {6901#true} is VALID [2020-07-28 19:03:41,954 INFO L280 TraceCheckUtils]: 15: Hoare triple {6901#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {6901#true} is VALID [2020-07-28 19:03:41,954 INFO L280 TraceCheckUtils]: 16: Hoare triple {6901#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {6901#true} is VALID [2020-07-28 19:03:41,955 INFO L280 TraceCheckUtils]: 17: Hoare triple {6901#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {6901#true} is VALID [2020-07-28 19:03:41,955 INFO L280 TraceCheckUtils]: 18: Hoare triple {6901#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {6901#true} is VALID [2020-07-28 19:03:41,955 INFO L280 TraceCheckUtils]: 19: Hoare triple {6901#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {6901#true} is VALID [2020-07-28 19:03:41,956 INFO L280 TraceCheckUtils]: 20: Hoare triple {6901#true} assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; {6903#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:03:41,957 INFO L280 TraceCheckUtils]: 21: Hoare triple {6903#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {6904#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:03:41,958 INFO L280 TraceCheckUtils]: 22: Hoare triple {6904#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {6905#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} is VALID [2020-07-28 19:03:41,958 INFO L280 TraceCheckUtils]: 23: Hoare triple {6905#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {6902#false} is VALID [2020-07-28 19:03:41,959 INFO L280 TraceCheckUtils]: 24: Hoare triple {6902#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {6902#false} is VALID [2020-07-28 19:03:41,959 INFO L280 TraceCheckUtils]: 25: Hoare triple {6902#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {6902#false} is VALID [2020-07-28 19:03:41,959 INFO L280 TraceCheckUtils]: 26: Hoare triple {6902#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {6902#false} is VALID [2020-07-28 19:03:41,959 INFO L280 TraceCheckUtils]: 27: Hoare triple {6902#false} assume !false; {6902#false} is VALID [2020-07-28 19:03:41,959 INFO L280 TraceCheckUtils]: 28: Hoare triple {6902#false} assume test_~splverifierCounter~0 < 4; {6902#false} is VALID [2020-07-28 19:03:41,960 INFO L280 TraceCheckUtils]: 29: Hoare triple {6902#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {6902#false} is VALID [2020-07-28 19:03:41,960 INFO L280 TraceCheckUtils]: 30: Hoare triple {6902#false} assume !(0 != test_~tmp~3); {6902#false} is VALID [2020-07-28 19:03:41,961 INFO L280 TraceCheckUtils]: 31: Hoare triple {6902#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {6902#false} is VALID [2020-07-28 19:03:41,961 INFO L280 TraceCheckUtils]: 32: Hoare triple {6902#false} assume !(0 != test_~tmp___0~0); {6902#false} is VALID [2020-07-28 19:03:41,961 INFO L280 TraceCheckUtils]: 33: Hoare triple {6902#false} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {6902#false} is VALID [2020-07-28 19:03:41,961 INFO L280 TraceCheckUtils]: 34: Hoare triple {6902#false} assume 0 != test_~tmp___2~0; {6902#false} is VALID [2020-07-28 19:03:41,961 INFO L280 TraceCheckUtils]: 35: Hoare triple {6902#false} assume 0 != ~pumpRunning~0; {6902#false} is VALID [2020-07-28 19:03:41,962 INFO L280 TraceCheckUtils]: 36: Hoare triple {6902#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {6902#false} is VALID [2020-07-28 19:03:41,962 INFO L280 TraceCheckUtils]: 37: Hoare triple {6902#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {6902#false} is VALID [2020-07-28 19:03:41,962 INFO L280 TraceCheckUtils]: 38: Hoare triple {6902#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {6902#false} is VALID [2020-07-28 19:03:41,962 INFO L280 TraceCheckUtils]: 39: Hoare triple {6902#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {6902#false} is VALID [2020-07-28 19:03:41,963 INFO L280 TraceCheckUtils]: 40: Hoare triple {6902#false} processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret41 && processEnvironment_#t~ret41 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; {6902#false} is VALID [2020-07-28 19:03:41,963 INFO L280 TraceCheckUtils]: 41: Hoare triple {6902#false} assume 0 != processEnvironment_~tmp~5;~pumpRunning~0 := 0; {6902#false} is VALID [2020-07-28 19:03:41,963 INFO L280 TraceCheckUtils]: 42: Hoare triple {6902#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {6902#false} is VALID [2020-07-28 19:03:41,964 INFO L280 TraceCheckUtils]: 43: Hoare triple {6902#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {6902#false} is VALID [2020-07-28 19:03:41,964 INFO L280 TraceCheckUtils]: 44: Hoare triple {6902#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {6902#false} is VALID [2020-07-28 19:03:41,964 INFO L280 TraceCheckUtils]: 45: Hoare triple {6902#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {6902#false} is VALID [2020-07-28 19:03:41,964 INFO L280 TraceCheckUtils]: 46: Hoare triple {6902#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {6902#false} is VALID [2020-07-28 19:03:41,964 INFO L280 TraceCheckUtils]: 47: Hoare triple {6902#false} assume !false; {6902#false} is VALID [2020-07-28 19:03:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:03:41,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657516561] [2020-07-28 19:03:41,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:41,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:41,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389594244] [2020-07-28 19:03:41,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-07-28 19:03:41,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:41,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:42,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:42,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:42,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:42,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:42,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:42,024 INFO L87 Difference]: Start difference. First operand 169 states and 227 transitions. Second operand 5 states. [2020-07-28 19:03:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:43,077 INFO L93 Difference]: Finished difference Result 489 states and 653 transitions. [2020-07-28 19:03:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:43,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-07-28 19:03:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2020-07-28 19:03:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2020-07-28 19:03:43,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 199 transitions. [2020-07-28 19:03:43,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:43,340 INFO L225 Difference]: With dead ends: 489 [2020-07-28 19:03:43,341 INFO L226 Difference]: Without dead ends: 326 [2020-07-28 19:03:43,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:43,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-28 19:03:43,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 184. [2020-07-28 19:03:43,611 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:43,611 INFO L82 GeneralOperation]: Start isEquivalent. First operand 326 states. Second operand 184 states. [2020-07-28 19:03:43,611 INFO L74 IsIncluded]: Start isIncluded. First operand 326 states. Second operand 184 states. [2020-07-28 19:03:43,612 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 184 states. [2020-07-28 19:03:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:43,621 INFO L93 Difference]: Finished difference Result 326 states and 427 transitions. [2020-07-28 19:03:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 427 transitions. [2020-07-28 19:03:43,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:43,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:43,623 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 326 states. [2020-07-28 19:03:43,623 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 326 states. [2020-07-28 19:03:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:43,632 INFO L93 Difference]: Finished difference Result 326 states and 427 transitions. [2020-07-28 19:03:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 427 transitions. [2020-07-28 19:03:43,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:43,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:43,634 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:43,634 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-28 19:03:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2020-07-28 19:03:43,639 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 48 [2020-07-28 19:03:43,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:43,640 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2020-07-28 19:03:43,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2020-07-28 19:03:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-28 19:03:43,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:43,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:43,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:03:43,642 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1274435240, now seen corresponding path program 1 times [2020-07-28 19:03:43,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:43,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318653778] [2020-07-28 19:03:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:43,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {8501#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {8503#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {8503#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,748 INFO L280 TraceCheckUtils]: 3: Hoare triple {8503#(= 1 ~systemActive~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,749 INFO L280 TraceCheckUtils]: 4: Hoare triple {8503#(= 1 ~systemActive~0)} assume 0 != main_~tmp~7; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,750 INFO L280 TraceCheckUtils]: 5: Hoare triple {8503#(= 1 ~systemActive~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,751 INFO L280 TraceCheckUtils]: 6: Hoare triple {8503#(= 1 ~systemActive~0)} assume !false; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,751 INFO L280 TraceCheckUtils]: 7: Hoare triple {8503#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,752 INFO L280 TraceCheckUtils]: 8: Hoare triple {8503#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {8503#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3); {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,753 INFO L280 TraceCheckUtils]: 10: Hoare triple {8503#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,754 INFO L280 TraceCheckUtils]: 11: Hoare triple {8503#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,755 INFO L280 TraceCheckUtils]: 12: Hoare triple {8503#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,756 INFO L280 TraceCheckUtils]: 13: Hoare triple {8503#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,756 INFO L280 TraceCheckUtils]: 14: Hoare triple {8503#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {8503#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:43,756 INFO L280 TraceCheckUtils]: 15: Hoare triple {8503#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {8501#true} is VALID [2020-07-28 19:03:43,757 INFO L280 TraceCheckUtils]: 16: Hoare triple {8501#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {8501#true} is VALID [2020-07-28 19:03:43,757 INFO L280 TraceCheckUtils]: 17: Hoare triple {8501#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {8501#true} is VALID [2020-07-28 19:03:43,758 INFO L280 TraceCheckUtils]: 18: Hoare triple {8501#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {8504#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:03:43,759 INFO L280 TraceCheckUtils]: 19: Hoare triple {8504#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {8505#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6))} is VALID [2020-07-28 19:03:43,759 INFO L280 TraceCheckUtils]: 20: Hoare triple {8505#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6))} assume !(0 != isHighWaterLevel_~tmp~6);isHighWaterLevel_~tmp___0~1 := 1; {8502#false} is VALID [2020-07-28 19:03:43,760 INFO L280 TraceCheckUtils]: 21: Hoare triple {8502#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {8502#false} is VALID [2020-07-28 19:03:43,760 INFO L280 TraceCheckUtils]: 22: Hoare triple {8502#false} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {8502#false} is VALID [2020-07-28 19:03:43,760 INFO L280 TraceCheckUtils]: 23: Hoare triple {8502#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {8502#false} is VALID [2020-07-28 19:03:43,760 INFO L280 TraceCheckUtils]: 24: Hoare triple {8502#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {8502#false} is VALID [2020-07-28 19:03:43,760 INFO L280 TraceCheckUtils]: 25: Hoare triple {8502#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {8502#false} is VALID [2020-07-28 19:03:43,761 INFO L280 TraceCheckUtils]: 26: Hoare triple {8502#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {8502#false} is VALID [2020-07-28 19:03:43,761 INFO L280 TraceCheckUtils]: 27: Hoare triple {8502#false} assume !false; {8502#false} is VALID [2020-07-28 19:03:43,761 INFO L280 TraceCheckUtils]: 28: Hoare triple {8502#false} assume test_~splverifierCounter~0 < 4; {8502#false} is VALID [2020-07-28 19:03:43,762 INFO L280 TraceCheckUtils]: 29: Hoare triple {8502#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {8502#false} is VALID [2020-07-28 19:03:43,762 INFO L280 TraceCheckUtils]: 30: Hoare triple {8502#false} assume !(0 != test_~tmp~3); {8502#false} is VALID [2020-07-28 19:03:43,762 INFO L280 TraceCheckUtils]: 31: Hoare triple {8502#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {8502#false} is VALID [2020-07-28 19:03:43,763 INFO L280 TraceCheckUtils]: 32: Hoare triple {8502#false} assume !(0 != test_~tmp___0~0); {8502#false} is VALID [2020-07-28 19:03:43,763 INFO L280 TraceCheckUtils]: 33: Hoare triple {8502#false} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {8502#false} is VALID [2020-07-28 19:03:43,763 INFO L280 TraceCheckUtils]: 34: Hoare triple {8502#false} assume 0 != test_~tmp___2~0; {8502#false} is VALID [2020-07-28 19:03:43,764 INFO L280 TraceCheckUtils]: 35: Hoare triple {8502#false} assume 0 != ~pumpRunning~0; {8502#false} is VALID [2020-07-28 19:03:43,764 INFO L280 TraceCheckUtils]: 36: Hoare triple {8502#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8502#false} is VALID [2020-07-28 19:03:43,764 INFO L280 TraceCheckUtils]: 37: Hoare triple {8502#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {8502#false} is VALID [2020-07-28 19:03:43,764 INFO L280 TraceCheckUtils]: 38: Hoare triple {8502#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {8502#false} is VALID [2020-07-28 19:03:43,764 INFO L280 TraceCheckUtils]: 39: Hoare triple {8502#false} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {8502#false} is VALID [2020-07-28 19:03:43,765 INFO L280 TraceCheckUtils]: 40: Hoare triple {8502#false} processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret41 && processEnvironment_#t~ret41 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; {8502#false} is VALID [2020-07-28 19:03:43,765 INFO L280 TraceCheckUtils]: 41: Hoare triple {8502#false} assume 0 != processEnvironment_~tmp~5;~pumpRunning~0 := 0; {8502#false} is VALID [2020-07-28 19:03:43,765 INFO L280 TraceCheckUtils]: 42: Hoare triple {8502#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {8502#false} is VALID [2020-07-28 19:03:43,765 INFO L280 TraceCheckUtils]: 43: Hoare triple {8502#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {8502#false} is VALID [2020-07-28 19:03:43,765 INFO L280 TraceCheckUtils]: 44: Hoare triple {8502#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {8502#false} is VALID [2020-07-28 19:03:43,766 INFO L280 TraceCheckUtils]: 45: Hoare triple {8502#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {8502#false} is VALID [2020-07-28 19:03:43,766 INFO L280 TraceCheckUtils]: 46: Hoare triple {8502#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {8502#false} is VALID [2020-07-28 19:03:43,766 INFO L280 TraceCheckUtils]: 47: Hoare triple {8502#false} assume !false; {8502#false} is VALID [2020-07-28 19:03:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:03:43,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318653778] [2020-07-28 19:03:43,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:43,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:43,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203694040] [2020-07-28 19:03:43,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-07-28 19:03:43,771 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:43,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:43,825 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:43,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:43,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:43,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:43,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:43,826 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand 5 states. [2020-07-28 19:03:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:44,795 INFO L93 Difference]: Finished difference Result 431 states and 562 transitions. [2020-07-28 19:03:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:03:44,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-07-28 19:03:44,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 254 transitions. [2020-07-28 19:03:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 254 transitions. [2020-07-28 19:03:44,800 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 254 transitions. [2020-07-28 19:03:45,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 254 edges. 254 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:45,116 INFO L225 Difference]: With dead ends: 431 [2020-07-28 19:03:45,116 INFO L226 Difference]: Without dead ends: 253 [2020-07-28 19:03:45,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 19:03:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-28 19:03:45,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 160. [2020-07-28 19:03:45,374 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:45,374 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 160 states. [2020-07-28 19:03:45,374 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 160 states. [2020-07-28 19:03:45,375 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 160 states. [2020-07-28 19:03:45,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:45,382 INFO L93 Difference]: Finished difference Result 253 states and 323 transitions. [2020-07-28 19:03:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 323 transitions. [2020-07-28 19:03:45,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:45,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:45,383 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 253 states. [2020-07-28 19:03:45,383 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 253 states. [2020-07-28 19:03:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:45,389 INFO L93 Difference]: Finished difference Result 253 states and 323 transitions. [2020-07-28 19:03:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 323 transitions. [2020-07-28 19:03:45,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:45,391 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:45,391 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:45,391 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-28 19:03:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2020-07-28 19:03:45,395 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 48 [2020-07-28 19:03:45,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:45,395 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2020-07-28 19:03:45,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2020-07-28 19:03:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-28 19:03:45,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:45,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:45,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:03:45,397 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:45,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:45,398 INFO L82 PathProgramCache]: Analyzing trace with hash -219716332, now seen corresponding path program 1 times [2020-07-28 19:03:45,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:45,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914915573] [2020-07-28 19:03:45,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:45,503 INFO L280 TraceCheckUtils]: 0: Hoare triple {9842#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,504 INFO L280 TraceCheckUtils]: 1: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,504 INFO L280 TraceCheckUtils]: 2: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,505 INFO L280 TraceCheckUtils]: 3: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~7; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,506 INFO L280 TraceCheckUtils]: 5: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,507 INFO L280 TraceCheckUtils]: 6: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !false; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,508 INFO L280 TraceCheckUtils]: 7: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,509 INFO L280 TraceCheckUtils]: 8: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,509 INFO L280 TraceCheckUtils]: 9: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp~3; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,510 INFO L280 TraceCheckUtils]: 10: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,511 INFO L280 TraceCheckUtils]: 11: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,512 INFO L280 TraceCheckUtils]: 12: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,513 INFO L280 TraceCheckUtils]: 13: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,514 INFO L280 TraceCheckUtils]: 14: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,515 INFO L280 TraceCheckUtils]: 15: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,515 INFO L280 TraceCheckUtils]: 16: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,516 INFO L280 TraceCheckUtils]: 17: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,517 INFO L280 TraceCheckUtils]: 18: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,518 INFO L280 TraceCheckUtils]: 19: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,518 INFO L280 TraceCheckUtils]: 20: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,519 INFO L280 TraceCheckUtils]: 21: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~6);isHighWaterLevel_~tmp___0~1 := 1; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,520 INFO L280 TraceCheckUtils]: 22: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,521 INFO L280 TraceCheckUtils]: 23: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,522 INFO L280 TraceCheckUtils]: 24: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,523 INFO L280 TraceCheckUtils]: 25: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,523 INFO L280 TraceCheckUtils]: 26: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,524 INFO L280 TraceCheckUtils]: 27: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,525 INFO L280 TraceCheckUtils]: 28: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !false; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,525 INFO L280 TraceCheckUtils]: 29: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,526 INFO L280 TraceCheckUtils]: 30: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,527 INFO L280 TraceCheckUtils]: 31: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~3); {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,527 INFO L280 TraceCheckUtils]: 32: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,528 INFO L280 TraceCheckUtils]: 33: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,529 INFO L280 TraceCheckUtils]: 34: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,529 INFO L280 TraceCheckUtils]: 35: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,530 INFO L280 TraceCheckUtils]: 36: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,531 INFO L280 TraceCheckUtils]: 37: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,534 INFO L280 TraceCheckUtils]: 38: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {9844#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:03:45,535 INFO L280 TraceCheckUtils]: 39: Hoare triple {9844#(= 0 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {9845#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:03:45,536 INFO L280 TraceCheckUtils]: 40: Hoare triple {9845#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {9846#(= 0 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 19:03:45,537 INFO L280 TraceCheckUtils]: 41: Hoare triple {9846#(= 0 |ULTIMATE.start_isMethaneAlarm_#res|)} processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret41 && processEnvironment_#t~ret41 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; {9847#(= 0 ULTIMATE.start_processEnvironment_~tmp~5)} is VALID [2020-07-28 19:03:45,538 INFO L280 TraceCheckUtils]: 42: Hoare triple {9847#(= 0 ULTIMATE.start_processEnvironment_~tmp~5)} assume 0 != processEnvironment_~tmp~5;~pumpRunning~0 := 0; {9843#false} is VALID [2020-07-28 19:03:45,538 INFO L280 TraceCheckUtils]: 43: Hoare triple {9843#false} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {9843#false} is VALID [2020-07-28 19:03:45,538 INFO L280 TraceCheckUtils]: 44: Hoare triple {9843#false} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {9843#false} is VALID [2020-07-28 19:03:45,538 INFO L280 TraceCheckUtils]: 45: Hoare triple {9843#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {9843#false} is VALID [2020-07-28 19:03:45,538 INFO L280 TraceCheckUtils]: 46: Hoare triple {9843#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {9843#false} is VALID [2020-07-28 19:03:45,539 INFO L280 TraceCheckUtils]: 47: Hoare triple {9843#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {9843#false} is VALID [2020-07-28 19:03:45,539 INFO L280 TraceCheckUtils]: 48: Hoare triple {9843#false} assume !false; {9843#false} is VALID [2020-07-28 19:03:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:03:45,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914915573] [2020-07-28 19:03:45,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:45,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:45,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329300982] [2020-07-28 19:03:45,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-28 19:03:45,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:45,547 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:45,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:45,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:45,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:45,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:45,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:45,602 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 6 states. [2020-07-28 19:03:48,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:48,168 INFO L93 Difference]: Finished difference Result 888 states and 1161 transitions. [2020-07-28 19:03:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 19:03:48,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-28 19:03:48,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:48,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 407 transitions. [2020-07-28 19:03:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 407 transitions. [2020-07-28 19:03:48,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 407 transitions. [2020-07-28 19:03:48,587 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 407 edges. 407 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:48,632 INFO L225 Difference]: With dead ends: 888 [2020-07-28 19:03:48,632 INFO L226 Difference]: Without dead ends: 734 [2020-07-28 19:03:48,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:03:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-07-28 19:03:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 312. [2020-07-28 19:03:49,271 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:49,271 INFO L82 GeneralOperation]: Start isEquivalent. First operand 734 states. Second operand 312 states. [2020-07-28 19:03:49,271 INFO L74 IsIncluded]: Start isIncluded. First operand 734 states. Second operand 312 states. [2020-07-28 19:03:49,271 INFO L87 Difference]: Start difference. First operand 734 states. Second operand 312 states. [2020-07-28 19:03:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:49,302 INFO L93 Difference]: Finished difference Result 734 states and 944 transitions. [2020-07-28 19:03:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 944 transitions. [2020-07-28 19:03:49,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:49,304 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:49,304 INFO L74 IsIncluded]: Start isIncluded. First operand 312 states. Second operand 734 states. [2020-07-28 19:03:49,304 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 734 states. [2020-07-28 19:03:49,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:49,337 INFO L93 Difference]: Finished difference Result 734 states and 944 transitions. [2020-07-28 19:03:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 944 transitions. [2020-07-28 19:03:49,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:49,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:49,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:49,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-07-28 19:03:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 400 transitions. [2020-07-28 19:03:49,349 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 400 transitions. Word has length 49 [2020-07-28 19:03:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:49,349 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 400 transitions. [2020-07-28 19:03:49,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 400 transitions. [2020-07-28 19:03:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-28 19:03:49,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:49,351 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:49,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:03:49,351 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:49,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:49,352 INFO L82 PathProgramCache]: Analyzing trace with hash -2038322788, now seen corresponding path program 1 times [2020-07-28 19:03:49,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:49,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450343993] [2020-07-28 19:03:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:49,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {13005#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,495 INFO L280 TraceCheckUtils]: 1: Hoare triple {13007#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,496 INFO L280 TraceCheckUtils]: 2: Hoare triple {13007#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,496 INFO L280 TraceCheckUtils]: 3: Hoare triple {13007#(= 1 ~waterLevel~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,497 INFO L280 TraceCheckUtils]: 4: Hoare triple {13007#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,498 INFO L280 TraceCheckUtils]: 5: Hoare triple {13007#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,498 INFO L280 TraceCheckUtils]: 6: Hoare triple {13007#(= 1 ~waterLevel~0)} assume !false; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,499 INFO L280 TraceCheckUtils]: 7: Hoare triple {13007#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,500 INFO L280 TraceCheckUtils]: 8: Hoare triple {13007#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,501 INFO L280 TraceCheckUtils]: 9: Hoare triple {13007#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~3; {13007#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,502 INFO L280 TraceCheckUtils]: 10: Hoare triple {13007#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,502 INFO L280 TraceCheckUtils]: 11: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,503 INFO L280 TraceCheckUtils]: 12: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,504 INFO L280 TraceCheckUtils]: 13: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,504 INFO L280 TraceCheckUtils]: 14: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,505 INFO L280 TraceCheckUtils]: 15: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,506 INFO L280 TraceCheckUtils]: 16: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,507 INFO L280 TraceCheckUtils]: 17: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,507 INFO L280 TraceCheckUtils]: 18: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,508 INFO L280 TraceCheckUtils]: 19: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,509 INFO L280 TraceCheckUtils]: 20: Hoare triple {13008#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,509 INFO L280 TraceCheckUtils]: 21: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~6);isHighWaterLevel_~tmp___0~1 := 1; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,510 INFO L280 TraceCheckUtils]: 22: Hoare triple {13008#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,511 INFO L280 TraceCheckUtils]: 23: Hoare triple {13008#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,511 INFO L280 TraceCheckUtils]: 24: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,512 INFO L280 TraceCheckUtils]: 25: Hoare triple {13008#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,513 INFO L280 TraceCheckUtils]: 26: Hoare triple {13008#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,514 INFO L280 TraceCheckUtils]: 27: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,514 INFO L280 TraceCheckUtils]: 28: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !false; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,515 INFO L280 TraceCheckUtils]: 29: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,515 INFO L280 TraceCheckUtils]: 30: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,516 INFO L280 TraceCheckUtils]: 31: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~3); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,517 INFO L280 TraceCheckUtils]: 32: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,518 INFO L280 TraceCheckUtils]: 33: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,518 INFO L280 TraceCheckUtils]: 34: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,519 INFO L280 TraceCheckUtils]: 35: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,520 INFO L280 TraceCheckUtils]: 36: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,521 INFO L280 TraceCheckUtils]: 37: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,522 INFO L280 TraceCheckUtils]: 38: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,522 INFO L280 TraceCheckUtils]: 39: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,523 INFO L280 TraceCheckUtils]: 40: Hoare triple {13009#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,524 INFO L280 TraceCheckUtils]: 41: Hoare triple {13009#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret41 && processEnvironment_#t~ret41 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,525 INFO L280 TraceCheckUtils]: 42: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~5);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,526 INFO L280 TraceCheckUtils]: 43: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,526 INFO L280 TraceCheckUtils]: 44: Hoare triple {13009#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {13010#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:49,527 INFO L280 TraceCheckUtils]: 45: Hoare triple {13010#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {13011#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} is VALID [2020-07-28 19:03:49,528 INFO L280 TraceCheckUtils]: 46: Hoare triple {13011#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {13006#false} is VALID [2020-07-28 19:03:49,529 INFO L280 TraceCheckUtils]: 47: Hoare triple {13006#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {13006#false} is VALID [2020-07-28 19:03:49,529 INFO L280 TraceCheckUtils]: 48: Hoare triple {13006#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {13006#false} is VALID [2020-07-28 19:03:49,529 INFO L280 TraceCheckUtils]: 49: Hoare triple {13006#false} assume !false; {13006#false} is VALID [2020-07-28 19:03:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:03:49,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450343993] [2020-07-28 19:03:49,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088085758] [2020-07-28 19:03:49,535 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 19:03:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:49,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:03:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:49,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:03:49,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {13005#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {13005#true} is VALID [2020-07-28 19:03:49,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {13005#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {13005#true} is VALID [2020-07-28 19:03:49,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {13005#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {13005#true} is VALID [2020-07-28 19:03:49,972 INFO L280 TraceCheckUtils]: 3: Hoare triple {13005#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {13005#true} is VALID [2020-07-28 19:03:49,972 INFO L280 TraceCheckUtils]: 4: Hoare triple {13005#true} assume 0 != main_~tmp~7; {13005#true} is VALID [2020-07-28 19:03:49,972 INFO L280 TraceCheckUtils]: 5: Hoare triple {13005#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {13005#true} is VALID [2020-07-28 19:03:49,973 INFO L280 TraceCheckUtils]: 6: Hoare triple {13005#true} assume !false; {13005#true} is VALID [2020-07-28 19:03:49,973 INFO L280 TraceCheckUtils]: 7: Hoare triple {13005#true} assume test_~splverifierCounter~0 < 4; {13005#true} is VALID [2020-07-28 19:03:49,973 INFO L280 TraceCheckUtils]: 8: Hoare triple {13005#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {13005#true} is VALID [2020-07-28 19:03:49,973 INFO L280 TraceCheckUtils]: 9: Hoare triple {13005#true} assume 0 != test_~tmp~3; {13005#true} is VALID [2020-07-28 19:03:49,973 INFO L280 TraceCheckUtils]: 10: Hoare triple {13005#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {13005#true} is VALID [2020-07-28 19:03:49,974 INFO L280 TraceCheckUtils]: 11: Hoare triple {13005#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {13005#true} is VALID [2020-07-28 19:03:49,974 INFO L280 TraceCheckUtils]: 12: Hoare triple {13005#true} assume !(0 != test_~tmp___0~0); {13005#true} is VALID [2020-07-28 19:03:49,974 INFO L280 TraceCheckUtils]: 13: Hoare triple {13005#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {13005#true} is VALID [2020-07-28 19:03:49,974 INFO L280 TraceCheckUtils]: 14: Hoare triple {13005#true} assume 0 != test_~tmp___2~0; {13005#true} is VALID [2020-07-28 19:03:49,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {13005#true} assume !(0 != ~pumpRunning~0); {13005#true} is VALID [2020-07-28 19:03:49,975 INFO L280 TraceCheckUtils]: 16: Hoare triple {13005#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13005#true} is VALID [2020-07-28 19:03:49,975 INFO L280 TraceCheckUtils]: 17: Hoare triple {13005#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {13005#true} is VALID [2020-07-28 19:03:49,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {13005#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; {13005#true} is VALID [2020-07-28 19:03:49,976 INFO L280 TraceCheckUtils]: 19: Hoare triple {13005#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,977 INFO L280 TraceCheckUtils]: 20: Hoare triple {13008#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,978 INFO L280 TraceCheckUtils]: 21: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~6);isHighWaterLevel_~tmp___0~1 := 1; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,979 INFO L280 TraceCheckUtils]: 22: Hoare triple {13008#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,979 INFO L280 TraceCheckUtils]: 23: Hoare triple {13008#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret40 && processEnvironment__wrappee__highWaterSensor_#t~ret40 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,980 INFO L280 TraceCheckUtils]: 24: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,981 INFO L280 TraceCheckUtils]: 25: Hoare triple {13008#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,981 INFO L280 TraceCheckUtils]: 26: Hoare triple {13008#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,982 INFO L280 TraceCheckUtils]: 27: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,983 INFO L280 TraceCheckUtils]: 28: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !false; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,984 INFO L280 TraceCheckUtils]: 29: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,984 INFO L280 TraceCheckUtils]: 30: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,985 INFO L280 TraceCheckUtils]: 31: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~3); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,986 INFO L280 TraceCheckUtils]: 32: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,986 INFO L280 TraceCheckUtils]: 33: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,987 INFO L280 TraceCheckUtils]: 34: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,988 INFO L280 TraceCheckUtils]: 35: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,989 INFO L280 TraceCheckUtils]: 36: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {13008#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,990 INFO L280 TraceCheckUtils]: 37: Hoare triple {13008#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,991 INFO L280 TraceCheckUtils]: 38: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,991 INFO L280 TraceCheckUtils]: 39: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,992 INFO L280 TraceCheckUtils]: 40: Hoare triple {13009#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret42 && isMethaneAlarm_#t~ret42 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,993 INFO L280 TraceCheckUtils]: 41: Hoare triple {13009#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret41 && processEnvironment_#t~ret41 <= 2147483647;processEnvironment_~tmp~5 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,993 INFO L280 TraceCheckUtils]: 42: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~5);havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,994 INFO L280 TraceCheckUtils]: 43: Hoare triple {13009#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {13009#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:49,995 INFO L280 TraceCheckUtils]: 44: Hoare triple {13009#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {13010#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:49,996 INFO L280 TraceCheckUtils]: 45: Hoare triple {13010#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {13011#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} is VALID [2020-07-28 19:03:49,996 INFO L280 TraceCheckUtils]: 46: Hoare triple {13011#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {13006#false} is VALID [2020-07-28 19:03:49,997 INFO L280 TraceCheckUtils]: 47: Hoare triple {13006#false} __utac_acc__Specification4_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret72 && __utac_acc__Specification4_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; {13006#false} is VALID [2020-07-28 19:03:49,997 INFO L280 TraceCheckUtils]: 48: Hoare triple {13006#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {13006#false} is VALID [2020-07-28 19:03:49,997 INFO L280 TraceCheckUtils]: 49: Hoare triple {13006#false} assume !false; {13006#false} is VALID [2020-07-28 19:03:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:50,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:03:50,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-28 19:03:50,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478423662] [2020-07-28 19:03:50,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-07-28 19:03:50,003 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:50,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:03:50,110 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:50,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:03:50,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:50,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:03:50,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:50,112 INFO L87 Difference]: Start difference. First operand 312 states and 400 transitions. Second operand 7 states. [2020-07-28 19:03:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:53,504 INFO L93 Difference]: Finished difference Result 1046 states and 1364 transitions. [2020-07-28 19:03:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-28 19:03:53,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-07-28 19:03:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 356 transitions. [2020-07-28 19:03:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 356 transitions. [2020-07-28 19:03:53,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 356 transitions. [2020-07-28 19:03:53,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 356 edges. 356 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:53,983 INFO L225 Difference]: With dead ends: 1046 [2020-07-28 19:03:53,984 INFO L226 Difference]: Without dead ends: 676 [2020-07-28 19:03:53,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:03:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-07-28 19:03:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 395. [2020-07-28 19:03:54,954 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:54,954 INFO L82 GeneralOperation]: Start isEquivalent. First operand 676 states. Second operand 395 states. [2020-07-28 19:03:54,954 INFO L74 IsIncluded]: Start isIncluded. First operand 676 states. Second operand 395 states. [2020-07-28 19:03:54,954 INFO L87 Difference]: Start difference. First operand 676 states. Second operand 395 states. [2020-07-28 19:03:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:54,982 INFO L93 Difference]: Finished difference Result 676 states and 851 transitions. [2020-07-28 19:03:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 851 transitions. [2020-07-28 19:03:54,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:54,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:54,984 INFO L74 IsIncluded]: Start isIncluded. First operand 395 states. Second operand 676 states. [2020-07-28 19:03:54,984 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 676 states. [2020-07-28 19:03:55,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:55,012 INFO L93 Difference]: Finished difference Result 676 states and 851 transitions. [2020-07-28 19:03:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 851 transitions. [2020-07-28 19:03:55,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:55,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:55,014 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:55,014 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-07-28 19:03:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 509 transitions. [2020-07-28 19:03:55,028 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 509 transitions. Word has length 50 [2020-07-28 19:03:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:55,029 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 509 transitions. [2020-07-28 19:03:55,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:03:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 509 transitions. [2020-07-28 19:03:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-28 19:03:55,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:55,031 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:55,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 19:03:55,245 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:55,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash 564554040, now seen corresponding path program 2 times [2020-07-28 19:03:55,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:55,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407167138] [2020-07-28 19:03:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:03:55,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:03:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:03:55,445 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:03:55,535 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:03:55,536 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:03:55,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:03:55,774 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:55,775 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:55,775 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:03:55,775 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:03:55,775 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:03:55,775 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L881 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L904-1 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L926-1 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L926-1 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L926-1 has no Hoare annotation [2020-07-28 19:03:55,776 WARN L170 areAnnotationChecker]: L913 has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: L532-1 has no Hoare annotation [2020-07-28 19:03:55,777 WARN L170 areAnnotationChecker]: L532-1 has no Hoare annotation [2020-07-28 19:03:55,778 WARN L170 areAnnotationChecker]: L461 has no Hoare annotation [2020-07-28 19:03:55,778 WARN L170 areAnnotationChecker]: L734-3 has no Hoare annotation [2020-07-28 19:03:55,778 WARN L170 areAnnotationChecker]: L734-3 has no Hoare annotation [2020-07-28 19:03:55,778 WARN L170 areAnnotationChecker]: L532-2 has no Hoare annotation [2020-07-28 19:03:55,778 WARN L170 areAnnotationChecker]: L532-2 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L469 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L469 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L539-1 has no Hoare annotation [2020-07-28 19:03:55,779 WARN L170 areAnnotationChecker]: L746 has no Hoare annotation [2020-07-28 19:03:55,780 WARN L170 areAnnotationChecker]: L746 has no Hoare annotation [2020-07-28 19:03:55,780 WARN L170 areAnnotationChecker]: L469-1 has no Hoare annotation [2020-07-28 19:03:55,780 WARN L170 areAnnotationChecker]: L771-1 has no Hoare annotation [2020-07-28 19:03:55,780 WARN L170 areAnnotationChecker]: L564-3 has no Hoare annotation [2020-07-28 19:03:55,780 WARN L170 areAnnotationChecker]: L564-3 has no Hoare annotation [2020-07-28 19:03:55,781 WARN L170 areAnnotationChecker]: L803-1 has no Hoare annotation [2020-07-28 19:03:55,781 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-28 19:03:55,781 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-28 19:03:55,781 WARN L170 areAnnotationChecker]: L634-1 has no Hoare annotation [2020-07-28 19:03:55,781 WARN L170 areAnnotationChecker]: L811-3 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L811-3 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L926-2 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L926-2 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:03:55,782 WARN L170 areAnnotationChecker]: L479-1 has no Hoare annotation [2020-07-28 19:03:55,783 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 19:03:55,783 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 19:03:55,783 WARN L170 areAnnotationChecker]: L816-3 has no Hoare annotation [2020-07-28 19:03:55,783 WARN L170 areAnnotationChecker]: L643-1 has no Hoare annotation [2020-07-28 19:03:55,783 WARN L170 areAnnotationChecker]: L926-3 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L564-2 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L564-2 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L692-9 has no Hoare annotation [2020-07-28 19:03:55,784 WARN L170 areAnnotationChecker]: L692-9 has no Hoare annotation [2020-07-28 19:03:55,785 WARN L170 areAnnotationChecker]: L930-2 has no Hoare annotation [2020-07-28 19:03:55,785 WARN L170 areAnnotationChecker]: L930-2 has no Hoare annotation [2020-07-28 19:03:55,785 WARN L170 areAnnotationChecker]: L833-2 has no Hoare annotation [2020-07-28 19:03:55,785 WARN L170 areAnnotationChecker]: L833-2 has no Hoare annotation [2020-07-28 19:03:55,785 WARN L170 areAnnotationChecker]: L833-2 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L495-1 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L495-1 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L495 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L495 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L811-2 has no Hoare annotation [2020-07-28 19:03:55,786 WARN L170 areAnnotationChecker]: L811-2 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L692-11 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L722-1 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L722-1 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 19:03:55,787 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L816-2 has no Hoare annotation [2020-07-28 19:03:55,788 WARN L170 areAnnotationChecker]: L698-3 has no Hoare annotation [2020-07-28 19:03:55,789 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 19:03:55,789 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 19:03:55,789 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-28 19:03:55,789 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-28 19:03:55,789 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-28 19:03:55,790 WARN L170 areAnnotationChecker]: L706-1 has no Hoare annotation [2020-07-28 19:03:55,790 WARN L170 areAnnotationChecker]: L692-6 has no Hoare annotation [2020-07-28 19:03:55,790 WARN L170 areAnnotationChecker]: L692-6 has no Hoare annotation [2020-07-28 19:03:55,790 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:03:55,790 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L837-1 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L837-1 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:03:55,791 WARN L170 areAnnotationChecker]: L803 has no Hoare annotation [2020-07-28 19:03:55,792 WARN L170 areAnnotationChecker]: L692-8 has no Hoare annotation [2020-07-28 19:03:55,792 WARN L170 areAnnotationChecker]: L734-6 has no Hoare annotation [2020-07-28 19:03:55,792 WARN L170 areAnnotationChecker]: L734-6 has no Hoare annotation [2020-07-28 19:03:55,792 WARN L170 areAnnotationChecker]: L532-3 has no Hoare annotation [2020-07-28 19:03:55,792 WARN L170 areAnnotationChecker]: L532-3 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L634 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L811-1 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L811-1 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 19:03:55,793 WARN L170 areAnnotationChecker]: L698-2 has no Hoare annotation [2020-07-28 19:03:55,794 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-28 19:03:55,794 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-28 19:03:55,794 WARN L170 areAnnotationChecker]: L539-2 has no Hoare annotation [2020-07-28 19:03:55,794 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 19:03:55,794 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 19:03:55,795 WARN L170 areAnnotationChecker]: L816-1 has no Hoare annotation [2020-07-28 19:03:55,795 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-28 19:03:55,795 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:03:55,795 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:03:55,795 WARN L170 areAnnotationChecker]: L771-2 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L564-5 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L564-5 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L803-2 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:03:55,796 WARN L170 areAnnotationChecker]: L692-3 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L692-3 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L930 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L930 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L634-2 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L811-5 has no Hoare annotation [2020-07-28 19:03:55,797 WARN L170 areAnnotationChecker]: L811-5 has no Hoare annotation [2020-07-28 19:03:55,798 WARN L170 areAnnotationChecker]: L926-4 has no Hoare annotation [2020-07-28 19:03:55,798 WARN L170 areAnnotationChecker]: L926-4 has no Hoare annotation [2020-07-28 19:03:55,798 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-28 19:03:55,798 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-28 19:03:55,798 WARN L170 areAnnotationChecker]: L692-5 has no Hoare annotation [2020-07-28 19:03:55,799 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-28 19:03:55,799 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-28 19:03:55,799 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 19:03:55,799 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 19:03:55,799 WARN L170 areAnnotationChecker]: L816-5 has no Hoare annotation [2020-07-28 19:03:55,800 WARN L170 areAnnotationChecker]: L643-2 has no Hoare annotation [2020-07-28 19:03:55,800 WARN L170 areAnnotationChecker]: L926-5 has no Hoare annotation [2020-07-28 19:03:55,800 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 19:03:55,800 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 19:03:55,801 WARN L170 areAnnotationChecker]: L564-4 has no Hoare annotation [2020-07-28 19:03:55,801 WARN L170 areAnnotationChecker]: L564-4 has no Hoare annotation [2020-07-28 19:03:55,801 WARN L170 areAnnotationChecker]: L692-15 has no Hoare annotation [2020-07-28 19:03:55,801 WARN L170 areAnnotationChecker]: L692-15 has no Hoare annotation [2020-07-28 19:03:55,802 WARN L170 areAnnotationChecker]: L930-4 has no Hoare annotation [2020-07-28 19:03:55,802 WARN L170 areAnnotationChecker]: L930-4 has no Hoare annotation [2020-07-28 19:03:55,802 WARN L170 areAnnotationChecker]: L692 has no Hoare annotation [2020-07-28 19:03:55,802 WARN L170 areAnnotationChecker]: L692 has no Hoare annotation [2020-07-28 19:03:55,803 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 19:03:55,803 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 19:03:55,803 WARN L170 areAnnotationChecker]: L811-4 has no Hoare annotation [2020-07-28 19:03:55,803 WARN L170 areAnnotationChecker]: L811-4 has no Hoare annotation [2020-07-28 19:03:55,804 WARN L170 areAnnotationChecker]: L692-17 has no Hoare annotation [2020-07-28 19:03:55,804 WARN L170 areAnnotationChecker]: L722-2 has no Hoare annotation [2020-07-28 19:03:55,804 WARN L170 areAnnotationChecker]: L722-2 has no Hoare annotation [2020-07-28 19:03:55,804 WARN L170 areAnnotationChecker]: L692-2 has no Hoare annotation [2020-07-28 19:03:55,805 WARN L170 areAnnotationChecker]: L816-4 has no Hoare annotation [2020-07-28 19:03:55,805 WARN L170 areAnnotationChecker]: L698-5 has no Hoare annotation [2020-07-28 19:03:55,805 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 19:03:55,805 WARN L170 areAnnotationChecker]: L692-12 has no Hoare annotation [2020-07-28 19:03:55,806 WARN L170 areAnnotationChecker]: L692-12 has no Hoare annotation [2020-07-28 19:03:55,806 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 19:03:55,806 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 19:03:55,806 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:03:55,806 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:03:55,807 WARN L170 areAnnotationChecker]: L692-14 has no Hoare annotation [2020-07-28 19:03:55,807 WARN L170 areAnnotationChecker]: L698-4 has no Hoare annotation [2020-07-28 19:03:55,807 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:03:55,807 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:03:55,807 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:55 BoogieIcfgContainer [2020-07-28 19:03:55,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:55,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:55,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:55,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:55,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:32" (3/4) ... [2020-07-28 19:03:55,817 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:03:56,066 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:56,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:56,069 INFO L168 Benchmark]: Toolchain (without parser) took 25856.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 482.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 310.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,070 INFO L168 Benchmark]: CDTParser took 0.38 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 19:03:56,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.43 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 19:03:56,071 INFO L168 Benchmark]: Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,072 INFO L168 Benchmark]: RCFGBuilder took 1788.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.2 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,072 INFO L168 Benchmark]: TraceAbstraction took 22881.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -249.5 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,072 INFO L168 Benchmark]: Witness Printer took 254.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:56,074 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 0.38 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 761.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1788.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.2 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22881.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -249.5 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 254.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 722]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int pumpRunning = 0; [L525] int systemActive = 1; [L728] int waterLevel = 1; [L729] int methaneLevelCritical = 0; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L896] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L450] int splverifierCounter ; [L451] int tmp ; [L452] int tmp___0 ; [L453] int tmp___1 ; [L454] int tmp___2 ; [L457] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L459] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] tmp = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L746] COND TRUE waterLevel < 2 [L747] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L539] COND TRUE \read(systemActive) [L587] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) [L561] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] COND TRUE ! pumpRunning [L684] int retValue_acc ; [L685] int tmp ; [L686] int tmp___0 ; [L808] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L811] COND FALSE !(waterLevel < 2) [L815] retValue_acc = 0 [L816] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] tmp = isHighWaterSensorDry() [L692] COND FALSE !(\read(tmp)) [L695] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L697] retValue_acc = tmp___0 [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isHighWaterLevel() [L568] COND TRUE \read(tmp) [L615] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L919] int tmp ; [L920] int tmp___0 ; [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L924] tmp = getWaterLevel() [L926] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L459] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L461] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L467] tmp = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L734] COND TRUE waterLevel > 0 [L735] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L539] COND TRUE \read(systemActive) [L587] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L590] COND TRUE \read(pumpRunning) [L628] int retValue_acc ; [L767] int retValue_acc ; [L770] retValue_acc = methaneLevelCritical [L771] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L632] retValue_acc = isMethaneLevelCritical() [L634] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L592] tmp = isMethaneAlarm() [L594] COND FALSE !(\read(tmp)) [L561] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L919] int tmp ; [L920] int tmp___0 ; [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L924] tmp = getWaterLevel() [L926] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L459] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L461] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L467] tmp = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L532] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L734] COND TRUE waterLevel > 0 [L735] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L539] COND TRUE \read(systemActive) [L587] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L590] COND TRUE \read(pumpRunning) [L628] int retValue_acc ; [L767] int retValue_acc ; [L770] retValue_acc = methaneLevelCritical [L771] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L632] retValue_acc = isMethaneLevelCritical() [L634] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L592] tmp = isMethaneAlarm() [L594] COND FALSE !(\read(tmp)) [L561] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L564] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L919] int tmp ; [L920] int tmp___0 ; [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] tmp = getWaterLevel() [L926] COND TRUE tmp == 0 [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L928] tmp___0 = isPumpRunning() [L930] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L722] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1099 SDtfs, 1810 SDslu, 2027 SDs, 0 SdLazy, 271 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1173 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 33220 SizeOfPredicates, 4 NumberOfNonLiveVariables, 394 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 71/83 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 incorrect! Received shutdown request...