./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product15.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 eaa884e9733c01fe9db8345a7c098b974c9047d7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:23,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:23,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:23,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:23,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:23,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:23,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:23,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:23,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:23,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:23,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:23,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:23,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:23,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:23,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:23,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:23,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:23,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:23,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:23,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:23,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:23,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:23,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:23,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:23,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:23,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:23,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:23,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:23,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:23,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:23,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:23,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:23,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:23,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:23,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:23,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:23,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:23,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:23,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:23,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:23,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:23,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:23,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:23,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:23,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:23,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:23,209 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:23,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:23,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:23,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:23,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:23,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:23,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:23,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:23,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:23,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:23,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:23,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:23,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:23,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:23,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:23,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:23,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:23,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:23,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:23,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:23,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:23,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:23,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:23,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:23,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:23,218 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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2020-07-28 18:59:23,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:23,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:23,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:23,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:23,548 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:23,549 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-07-28 18:59:23,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e0d0753/7b56a204cd6c4a16ab9c55860c5e483a/FLAG385866355 [2020-07-28 18:59:24,202 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:24,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-07-28 18:59:24,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e0d0753/7b56a204cd6c4a16ab9c55860c5e483a/FLAG385866355 [2020-07-28 18:59:24,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e0d0753/7b56a204cd6c4a16ab9c55860c5e483a [2020-07-28 18:59:24,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:24,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:24,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:24,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:24,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:24,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:24" (1/1) ... [2020-07-28 18:59:24,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6fb8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:24, skipping insertion in model container [2020-07-28 18:59:24,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:24" (1/1) ... [2020-07-28 18:59:24,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:24,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:25,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:25,139 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:25,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:25,288 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:25,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25 WrapperNode [2020-07-28 18:59:25,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:25,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:25,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:25,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:25,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:25,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:25,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:25,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:25,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:25,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:25,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:25,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:25,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:26,853 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:26,853 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 18:59:26,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:26 BoogieIcfgContainer [2020-07-28 18:59:26,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:26,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:26,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:26,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:26,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:24" (1/3) ... [2020-07-28 18:59:26,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e081834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:26, skipping insertion in model container [2020-07-28 18:59:26,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (2/3) ... [2020-07-28 18:59:26,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e081834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:26, skipping insertion in model container [2020-07-28 18:59:26,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:26" (3/3) ... [2020-07-28 18:59:26,872 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-07-28 18:59:26,883 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:26,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:26,908 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:26,939 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:26,939 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:26,939 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:26,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:26,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:26,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:26,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:26,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 18:59:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:26,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:26,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:26,980 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:26,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:26,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1574942692, now seen corresponding path program 1 times [2020-07-28 18:59:26,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:26,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541350696] [2020-07-28 18:59:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:27,307 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {78#true} is VALID [2020-07-28 18:59:27,308 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; {78#true} is VALID [2020-07-28 18:59:27,313 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {78#true} is VALID [2020-07-28 18:59:27,314 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; {78#true} is VALID [2020-07-28 18:59:27,315 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~7; {78#true} is VALID [2020-07-28 18:59:27,315 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} ~methAndRunningLastTime~0 := 0; {78#true} is VALID [2020-07-28 18:59:27,316 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 18:59:27,317 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#true} assume !true; {79#false} is VALID [2020-07-28 18:59:27,317 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 18:59:27,318 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 18:59:27,318 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 18:59:27,319 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {79#false} is VALID [2020-07-28 18:59:27,319 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {79#false} is VALID [2020-07-28 18:59:27,319 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {79#false} is VALID [2020-07-28 18:59:27,320 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {79#false} is VALID [2020-07-28 18:59:27,322 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {79#false} is VALID [2020-07-28 18:59:27,323 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume 0 != ~methAndRunningLastTime~0; {79#false} is VALID [2020-07-28 18:59:27,323 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 18:59:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:27,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541350696] [2020-07-28 18:59:27,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:27,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:27,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471284825] [2020-07-28 18:59:27,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:27,347 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:27,351 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:27,401 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:27,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:27,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:27,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:27,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:27,416 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 18:59:27,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:27,632 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2020-07-28 18:59:27,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:27,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:27,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 216 transitions. [2020-07-28 18:59:27,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:27,958 INFO L225 Difference]: With dead ends: 143 [2020-07-28 18:59:27,959 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:59:27,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:59:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:59:28,021 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:28,021 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,022 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,022 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,029 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,031 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,032 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,038 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,039 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:28,040 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:59:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-07-28 18:59:28,046 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-07-28 18:59:28,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:28,047 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-07-28 18:59:28,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:28,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:28,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:28,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:28,050 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:28,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:28,050 INFO L82 PathProgramCache]: Analyzing trace with hash -562353309, now seen corresponding path program 1 times [2020-07-28 18:59:28,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:28,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315006181] [2020-07-28 18:59:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:28,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {531#true} is VALID [2020-07-28 18:59:28,234 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; {531#true} is VALID [2020-07-28 18:59:28,234 INFO L280 TraceCheckUtils]: 2: Hoare triple {531#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {531#true} is VALID [2020-07-28 18:59:28,235 INFO L280 TraceCheckUtils]: 3: Hoare triple {531#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; {531#true} is VALID [2020-07-28 18:59:28,235 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} assume 0 != main_~tmp~7; {531#true} is VALID [2020-07-28 18:59:28,235 INFO L280 TraceCheckUtils]: 5: Hoare triple {531#true} ~methAndRunningLastTime~0 := 0; {531#true} is VALID [2020-07-28 18:59:28,237 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:28,238 INFO L280 TraceCheckUtils]: 7: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:28,240 INFO L280 TraceCheckUtils]: 8: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {532#false} is VALID [2020-07-28 18:59:28,240 INFO L280 TraceCheckUtils]: 9: Hoare triple {532#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {532#false} is VALID [2020-07-28 18:59:28,240 INFO L280 TraceCheckUtils]: 10: Hoare triple {532#false} assume !(0 != ~pumpRunning~0); {532#false} is VALID [2020-07-28 18:59:28,241 INFO L280 TraceCheckUtils]: 11: Hoare triple {532#false} assume !(0 != ~systemActive~0); {532#false} is VALID [2020-07-28 18:59:28,241 INFO L280 TraceCheckUtils]: 12: Hoare triple {532#false} havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {532#false} is VALID [2020-07-28 18:59:28,241 INFO L280 TraceCheckUtils]: 13: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {532#false} is VALID [2020-07-28 18:59:28,241 INFO L280 TraceCheckUtils]: 14: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {532#false} is VALID [2020-07-28 18:59:28,242 INFO L280 TraceCheckUtils]: 15: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {532#false} is VALID [2020-07-28 18:59:28,242 INFO L280 TraceCheckUtils]: 16: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {532#false} is VALID [2020-07-28 18:59:28,242 INFO L280 TraceCheckUtils]: 17: Hoare triple {532#false} assume 0 != ~methAndRunningLastTime~0; {532#false} is VALID [2020-07-28 18:59:28,243 INFO L280 TraceCheckUtils]: 18: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-28 18:59:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:28,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315006181] [2020-07-28 18:59:28,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:28,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:28,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885303064] [2020-07-28 18:59:28,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:28,247 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:28,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:28,277 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:28,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:28,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:28,278 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-07-28 18:59:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,476 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:28,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:28,484 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 100 transitions. [2020-07-28 18:59:28,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,654 INFO L225 Difference]: With dead ends: 71 [2020-07-28 18:59:28,654 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 18:59:28,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:28,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 18:59:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 18:59:28,672 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:28,672 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,673 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,673 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,675 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,676 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,676 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,679 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,680 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:28,680 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 18:59:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 18:59:28,682 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 18:59:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:28,683 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 18:59:28,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:28,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:28,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:28,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:28,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-07-28 18:59:28,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:28,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382934962] [2020-07-28 18:59:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:28,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {758#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {760#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {760#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,839 INFO L280 TraceCheckUtils]: 3: Hoare triple {760#(= 1 ~systemActive~0)} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,839 INFO L280 TraceCheckUtils]: 4: Hoare triple {760#(= 1 ~systemActive~0)} assume 0 != main_~tmp~7; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,840 INFO L280 TraceCheckUtils]: 5: Hoare triple {760#(= 1 ~systemActive~0)} ~methAndRunningLastTime~0 := 0; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,840 INFO L280 TraceCheckUtils]: 6: Hoare triple {760#(= 1 ~systemActive~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,841 INFO L280 TraceCheckUtils]: 7: Hoare triple {760#(= 1 ~systemActive~0)} assume !false; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,842 INFO L280 TraceCheckUtils]: 8: Hoare triple {760#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,842 INFO L280 TraceCheckUtils]: 9: Hoare triple {760#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,843 INFO L280 TraceCheckUtils]: 10: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~2); {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,843 INFO L280 TraceCheckUtils]: 11: Hoare triple {760#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,844 INFO L280 TraceCheckUtils]: 12: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,845 INFO L280 TraceCheckUtils]: 13: Hoare triple {760#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,845 INFO L280 TraceCheckUtils]: 14: Hoare triple {760#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,846 INFO L280 TraceCheckUtils]: 15: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:28,847 INFO L280 TraceCheckUtils]: 16: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {759#false} is VALID [2020-07-28 18:59:28,847 INFO L280 TraceCheckUtils]: 17: Hoare triple {759#false} havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {759#false} is VALID [2020-07-28 18:59:28,847 INFO L280 TraceCheckUtils]: 18: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {759#false} is VALID [2020-07-28 18:59:28,848 INFO L280 TraceCheckUtils]: 19: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {759#false} is VALID [2020-07-28 18:59:28,848 INFO L280 TraceCheckUtils]: 20: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {759#false} is VALID [2020-07-28 18:59:28,848 INFO L280 TraceCheckUtils]: 21: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {759#false} is VALID [2020-07-28 18:59:28,848 INFO L280 TraceCheckUtils]: 22: Hoare triple {759#false} assume 0 != ~methAndRunningLastTime~0; {759#false} is VALID [2020-07-28 18:59:28,849 INFO L280 TraceCheckUtils]: 23: Hoare triple {759#false} assume !false; {759#false} is VALID [2020-07-28 18:59:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:28,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382934962] [2020-07-28 18:59:28,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:28,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:28,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702246591] [2020-07-28 18:59:28,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:28,852 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:28,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:28,884 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:28,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:28,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:28,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:28,885 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-07-28 18:59:29,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,076 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-07-28 18:59:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:29,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2020-07-28 18:59:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2020-07-28 18:59:29,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 133 transitions. [2020-07-28 18:59:29,256 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,259 INFO L225 Difference]: With dead ends: 91 [2020-07-28 18:59:29,260 INFO L226 Difference]: Without dead ends: 63 [2020-07-28 18:59:29,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:29,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-28 18:59:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-07-28 18:59:29,314 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:29,314 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,314 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,315 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,321 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2020-07-28 18:59:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-07-28 18:59:29,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,322 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 63 states. [2020-07-28 18:59:29,323 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 63 states. [2020-07-28 18:59:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,326 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2020-07-28 18:59:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-07-28 18:59:29,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,327 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,327 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:29,327 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 18:59:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-07-28 18:59:29,331 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-07-28 18:59:29,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:29,331 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-07-28 18:59:29,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-07-28 18:59:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:29,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:29,333 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 18:59:29,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:29,333 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:29,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-07-28 18:59:29,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:29,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655600849] [2020-07-28 18:59:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:29,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {1101#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,438 INFO L280 TraceCheckUtils]: 1: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,439 INFO L280 TraceCheckUtils]: 2: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,439 INFO L280 TraceCheckUtils]: 3: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,440 INFO L280 TraceCheckUtils]: 4: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~7; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,442 INFO L280 TraceCheckUtils]: 5: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,442 INFO L280 TraceCheckUtils]: 6: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,448 INFO L280 TraceCheckUtils]: 7: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !false; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,449 INFO L280 TraceCheckUtils]: 8: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,450 INFO L280 TraceCheckUtils]: 9: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,451 INFO L280 TraceCheckUtils]: 10: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~2); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,452 INFO L280 TraceCheckUtils]: 11: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,453 INFO L280 TraceCheckUtils]: 12: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,454 INFO L280 TraceCheckUtils]: 13: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,454 INFO L280 TraceCheckUtils]: 14: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,458 INFO L280 TraceCheckUtils]: 15: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,458 INFO L280 TraceCheckUtils]: 16: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,459 INFO L280 TraceCheckUtils]: 17: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,460 INFO L280 TraceCheckUtils]: 18: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1104#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:29,461 INFO L280 TraceCheckUtils]: 19: Hoare triple {1104#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {1105#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)} is VALID [2020-07-28 18:59:29,462 INFO L280 TraceCheckUtils]: 20: Hoare triple {1105#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1102#false} is VALID [2020-07-28 18:59:29,462 INFO L280 TraceCheckUtils]: 21: Hoare triple {1102#false} __utac_acc__Specification2_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {1102#false} is VALID [2020-07-28 18:59:29,462 INFO L280 TraceCheckUtils]: 22: Hoare triple {1102#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1102#false} is VALID [2020-07-28 18:59:29,462 INFO L280 TraceCheckUtils]: 23: Hoare triple {1102#false} assume 0 != ~methAndRunningLastTime~0; {1102#false} is VALID [2020-07-28 18:59:29,463 INFO L280 TraceCheckUtils]: 24: Hoare triple {1102#false} assume !false; {1102#false} is VALID [2020-07-28 18:59:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:29,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655600849] [2020-07-28 18:59:29,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:29,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:29,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472577248] [2020-07-28 18:59:29,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:29,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:29,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:29,502 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 18:59:29,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:29,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:29,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:29,503 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-07-28 18:59:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,254 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-07-28 18:59:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:30,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:30,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:30,263 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-28 18:59:30,529 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:30,541 INFO L225 Difference]: With dead ends: 265 [2020-07-28 18:59:30,541 INFO L226 Difference]: Without dead ends: 213 [2020-07-28 18:59:30,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-28 18:59:30,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-07-28 18:59:30,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:30,645 INFO L82 GeneralOperation]: Start isEquivalent. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,645 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,645 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,656 INFO L93 Difference]: Finished difference Result 213 states and 323 transitions. [2020-07-28 18:59:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2020-07-28 18:59:30,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,658 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 213 states. [2020-07-28 18:59:30,659 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 213 states. [2020-07-28 18:59:30,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,669 INFO L93 Difference]: Finished difference Result 213 states and 323 transitions. [2020-07-28 18:59:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2020-07-28 18:59:30,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,671 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:30,671 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-28 18:59:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-07-28 18:59:30,676 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-07-28 18:59:30,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:30,676 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-07-28 18:59:30,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-07-28 18:59:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:30,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:30,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:30,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:30,679 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:30,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:30,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-07-28 18:59:30,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:30,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153046020] [2020-07-28 18:59:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:30,760 INFO L280 TraceCheckUtils]: 0: Hoare triple {2071#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,761 INFO L280 TraceCheckUtils]: 1: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,762 INFO L280 TraceCheckUtils]: 3: Hoare triple {2073#(= 0 ~pumpRunning~0)} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~7; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,766 INFO L280 TraceCheckUtils]: 5: Hoare triple {2073#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,767 INFO L280 TraceCheckUtils]: 6: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,769 INFO L280 TraceCheckUtils]: 7: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !false; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,772 INFO L280 TraceCheckUtils]: 8: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,777 INFO L280 TraceCheckUtils]: 9: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,777 INFO L280 TraceCheckUtils]: 10: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~2); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,778 INFO L280 TraceCheckUtils]: 11: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,779 INFO L280 TraceCheckUtils]: 12: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,780 INFO L280 TraceCheckUtils]: 13: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,781 INFO L280 TraceCheckUtils]: 14: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,781 INFO L280 TraceCheckUtils]: 15: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,782 INFO L280 TraceCheckUtils]: 16: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,783 INFO L280 TraceCheckUtils]: 17: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,783 INFO L280 TraceCheckUtils]: 18: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,784 INFO L280 TraceCheckUtils]: 19: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,785 INFO L280 TraceCheckUtils]: 20: Hoare triple {2073#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:30,785 INFO L280 TraceCheckUtils]: 21: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2074#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:30,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {2074#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {2075#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:30,787 INFO L280 TraceCheckUtils]: 23: Hoare triple {2075#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {2072#false} is VALID [2020-07-28 18:59:30,787 INFO L280 TraceCheckUtils]: 24: Hoare triple {2072#false} assume 0 != ~methAndRunningLastTime~0; {2072#false} is VALID [2020-07-28 18:59:30,788 INFO L280 TraceCheckUtils]: 25: Hoare triple {2072#false} assume !false; {2072#false} is VALID [2020-07-28 18:59:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:30,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153046020] [2020-07-28 18:59:30,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:30,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:30,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844610675] [2020-07-28 18:59:30,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:30,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:30,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:30,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:30,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:30,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:30,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:30,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:30,831 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-07-28 18:59:31,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,463 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-07-28 18:59:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:31,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:31,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2020-07-28 18:59:31,661 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:31,662 INFO L225 Difference]: With dead ends: 299 [2020-07-28 18:59:31,662 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:31,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:31,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:31,665 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:31,665 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:31,665 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:31,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,666 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:31,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:31,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:31,666 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:31,666 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,667 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:31,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:31,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:31,667 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:31,667 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:31,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:31,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:31,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:31,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:31,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:31,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:31,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:31,991 INFO L268 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-07-28 18:59:31,991 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-07-28 18:59:31,991 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:31,991 INFO L268 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-07-28 18:59:31,991 INFO L264 CegarLoopResult]: At program point L796-1(lines 1 913) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:31,991 INFO L264 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: false [2020-07-28 18:59:31,992 INFO L268 CegarLoopResult]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-07-28 18:59:31,992 INFO L264 CegarLoopResult]: At program point L796-3(lines 1 913) the Hoare annotation is: false [2020-07-28 18:59:31,992 INFO L268 CegarLoopResult]: For program point L796-4(lines 796 813) no Hoare annotation was computed. [2020-07-28 18:59:31,992 INFO L264 CegarLoopResult]: At program point L796-5(lines 1 913) the Hoare annotation is: false [2020-07-28 18:59:31,992 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-28 18:59:31,992 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-07-28 18:59:31,993 INFO L264 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:31,993 INFO L264 CegarLoopResult]: At program point L766(lines 1 913) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:31,993 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-28 18:59:31,993 INFO L268 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2020-07-28 18:59:31,994 INFO L268 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2020-07-28 18:59:31,994 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-07-28 18:59:31,994 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-07-28 18:59:31,994 INFO L268 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-07-28 18:59:31,994 INFO L268 CegarLoopResult]: For program point L370-2(line 370) no Hoare annotation was computed. [2020-07-28 18:59:31,997 INFO L268 CegarLoopResult]: For program point L238(lines 238 244) no Hoare annotation was computed. [2020-07-28 18:59:31,998 INFO L264 CegarLoopResult]: At program point L238-1(lines 238 244) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:31,998 INFO L268 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-07-28 18:59:31,998 INFO L268 CegarLoopResult]: For program point L800(lines 800 810) no Hoare annotation was computed. [2020-07-28 18:59:31,998 INFO L268 CegarLoopResult]: For program point L833-1(lines 57 63) no Hoare annotation was computed. [2020-07-28 18:59:31,998 INFO L268 CegarLoopResult]: For program point L800-2(lines 800 810) no Hoare annotation was computed. [2020-07-28 18:59:31,999 INFO L268 CegarLoopResult]: For program point L800-4(lines 800 810) no Hoare annotation was computed. [2020-07-28 18:59:31,999 INFO L264 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:31,999 INFO L268 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2020-07-28 18:59:31,999 INFO L264 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2020-07-28 18:59:32,000 INFO L264 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2020-07-28 18:59:32,001 INFO L268 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-07-28 18:59:32,002 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,002 INFO L268 CegarLoopResult]: For program point L801-2(lines 801 807) no Hoare annotation was computed. [2020-07-28 18:59:32,002 INFO L268 CegarLoopResult]: For program point L801-4(lines 801 807) no Hoare annotation was computed. [2020-07-28 18:59:32,002 INFO L264 CegarLoopResult]: At program point L785(lines 780 787) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,002 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-07-28 18:59:32,003 INFO L271 CegarLoopResult]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2020-07-28 18:59:32,003 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-07-28 18:59:32,003 INFO L268 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-07-28 18:59:32,003 INFO L264 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,004 INFO L264 CegarLoopResult]: At program point L159-1(lines 154 162) the Hoare annotation is: false [2020-07-28 18:59:32,004 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-28 18:59:32,004 INFO L264 CegarLoopResult]: At program point L159-2(lines 154 162) the Hoare annotation is: false [2020-07-28 18:59:32,004 INFO L268 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2020-07-28 18:59:32,004 INFO L268 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2020-07-28 18:59:32,004 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-07-28 18:59:32,009 INFO L268 CegarLoopResult]: For program point L292-3(lines 292 296) no Hoare annotation was computed. [2020-07-28 18:59:32,009 INFO L268 CegarLoopResult]: For program point L292-6(lines 292 296) no Hoare annotation was computed. [2020-07-28 18:59:32,010 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,010 INFO L264 CegarLoopResult]: At program point L276(lines 227 277) the Hoare annotation is: false [2020-07-28 18:59:32,010 INFO L264 CegarLoopResult]: At program point L774(lines 769 777) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,011 INFO L268 CegarLoopResult]: For program point L229(lines 228 275) no Hoare annotation was computed. [2020-07-28 18:59:32,011 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,011 INFO L264 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2020-07-28 18:59:32,011 INFO L264 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2020-07-28 18:59:32,011 INFO L264 CegarLoopResult]: At program point L329(lines 324 332) the Hoare annotation is: false [2020-07-28 18:59:32,012 INFO L264 CegarLoopResult]: At program point L329-1(lines 324 332) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,012 INFO L264 CegarLoopResult]: At program point L329-2(lines 324 332) the Hoare annotation is: false [2020-07-28 18:59:32,012 INFO L268 CegarLoopResult]: For program point L230(lines 230 234) no Hoare annotation was computed. [2020-07-28 18:59:32,012 INFO L264 CegarLoopResult]: At program point L329-3(lines 324 332) the Hoare annotation is: false [2020-07-28 18:59:32,012 INFO L264 CegarLoopResult]: At program point L329-4(lines 324 332) the Hoare annotation is: false [2020-07-28 18:59:32,012 INFO L264 CegarLoopResult]: At program point L329-5(lines 324 332) the Hoare annotation is: false [2020-07-28 18:59:32,015 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-07-28 18:59:32,015 INFO L268 CegarLoopResult]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-07-28 18:59:32,016 INFO L264 CegarLoopResult]: At program point L264-1(lines 57 63) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,016 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-07-28 18:59:32,016 INFO L264 CegarLoopResult]: At program point L248-1(lines 248 254) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,016 INFO L264 CegarLoopResult]: At program point L150(lines 143 153) the Hoare annotation is: false [2020-07-28 18:59:32,016 INFO L264 CegarLoopResult]: At program point L150-1(lines 143 153) the Hoare annotation is: false [2020-07-28 18:59:32,019 INFO L264 CegarLoopResult]: At program point L150-2(lines 143 153) the Hoare annotation is: false [2020-07-28 18:59:32,020 INFO L271 CegarLoopResult]: At program point L910(lines 891 913) the Hoare annotation is: true [2020-07-28 18:59:32,020 INFO L264 CegarLoopResult]: At program point L877(lines 873 879) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,025 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:32,025 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:32,026 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-28 18:59:32,026 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-28 18:59:32,026 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-28 18:59:32,028 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L292-3 has no Hoare annotation [2020-07-28 18:59:32,029 WARN L170 areAnnotationChecker]: L292-3 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 18:59:32,030 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 18:59:32,031 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L316 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L316 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 18:59:32,032 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 18:59:32,033 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-28 18:59:32,034 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-28 18:59:32,034 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-28 18:59:32,034 WARN L170 areAnnotationChecker]: L801-2 has no Hoare annotation [2020-07-28 18:59:32,034 WARN L170 areAnnotationChecker]: L801-2 has no Hoare annotation [2020-07-28 18:59:32,035 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 18:59:32,035 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-28 18:59:32,035 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-28 18:59:32,035 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L370-1 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L370-1 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-28 18:59:32,037 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 18:59:32,038 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 18:59:32,039 WARN L170 areAnnotationChecker]: L833-1 has no Hoare annotation [2020-07-28 18:59:32,039 WARN L170 areAnnotationChecker]: L833-1 has no Hoare annotation [2020-07-28 18:59:32,039 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:32,039 WARN L170 areAnnotationChecker]: L292-6 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L292-6 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 18:59:32,040 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:59:32,041 WARN L170 areAnnotationChecker]: L801 has no Hoare annotation [2020-07-28 18:59:32,042 WARN L170 areAnnotationChecker]: L801 has no Hoare annotation [2020-07-28 18:59:32,042 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 18:59:32,042 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 18:59:32,042 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:59:32,042 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L801-4 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L801-4 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L370-2 has no Hoare annotation [2020-07-28 18:59:32,043 WARN L170 areAnnotationChecker]: L370-2 has no Hoare annotation [2020-07-28 18:59:32,043 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:32,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:32 BoogieIcfgContainer [2020-07-28 18:59:32,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:32,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:32,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:32,086 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:32,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:26" (3/4) ... [2020-07-28 18:59:32,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:32,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:32,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:32,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:32,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:32,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:32,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:32,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:32,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:32,218 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:32,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:32,222 INFO L168 Benchmark]: Toolchain (without parser) took 7658.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -270.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,222 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.31 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 18:59:32,223 INFO L168 Benchmark]: Boogie Preprocessor took 44.85 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 18:59:32,224 INFO L168 Benchmark]: RCFGBuilder took 1442.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 145.2 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,224 INFO L168 Benchmark]: TraceAbstraction took 5223.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 972.1 MB in the beginning and 1.2 GB in the end (delta: -258.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,225 INFO L168 Benchmark]: Witness Printer took 133.37 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,227 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 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1442.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 145.2 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5223.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 972.1 MB in the beginning and 1.2 GB in the end (delta: -258.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 133.37 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 293 SDslu, 328 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...