./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_product04.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 ec9c68e540d71032e1f0fa689079da08dc76dcea ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:02,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:02,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:02,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:02,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:02,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:02,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:02,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:02,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:02,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:02,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:02,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:02,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:02,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:02,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:02,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:02,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:02,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:02,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:02,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:02,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:02,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:02,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:02,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:02,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:02,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:02,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:02,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:02,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:02,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:02,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:02,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:02,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:02,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:02,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:02,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:02,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:02,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:02,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:02,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:02,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:02,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:02,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:02,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:02,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:02,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:02,613 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:02,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:02,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:02,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:02,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:02,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:02,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:02,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:02,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:02,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:02,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:02,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:02,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:02,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:02,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:02,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:02,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:02,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:02,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:02,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:02,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:02,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:02,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:02,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:02,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:02,620 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 -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2020-07-28 18:59:02,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:02,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:02,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:02,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:02,963 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:02,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2020-07-28 18:59:03,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a26dc99f/d7b346bfd5d2414eb0d8902c823167af/FLAG4997ee22c [2020-07-28 18:59:03,490 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:03,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2020-07-28 18:59:03,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a26dc99f/d7b346bfd5d2414eb0d8902c823167af/FLAG4997ee22c [2020-07-28 18:59:03,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a26dc99f/d7b346bfd5d2414eb0d8902c823167af [2020-07-28 18:59:03,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:03,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:03,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:03,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:03,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:03,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:03" (1/1) ... [2020-07-28 18:59:03,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b56b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:03, skipping insertion in model container [2020-07-28 18:59:03,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:03" (1/1) ... [2020-07-28 18:59:03,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:03,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:04,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:04,392 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:04,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:04,572 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:04,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04 WrapperNode [2020-07-28 18:59:04,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:04,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:04,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:04,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:04,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:04,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:04,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:04,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:04,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (1/1) ... [2020-07-28 18:59:04,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:04,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:04,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:04,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:04,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (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 18:59:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:06,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:06,186 INFO L295 CfgBuilder]: Removed 74 assume(true) statements. [2020-07-28 18:59:06,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:06 BoogieIcfgContainer [2020-07-28 18:59:06,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:06,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:06,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:06,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:06,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:03" (1/3) ... [2020-07-28 18:59:06,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb6ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:06, skipping insertion in model container [2020-07-28 18:59:06,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:04" (2/3) ... [2020-07-28 18:59:06,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb6ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:06, skipping insertion in model container [2020-07-28 18:59:06,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:06" (3/3) ... [2020-07-28 18:59:06,203 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-07-28 18:59:06,216 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:06,225 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:06,242 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:06,271 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:06,272 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:06,272 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:06,272 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:06,273 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:06,273 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:06,274 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:06,274 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-28 18:59:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:06,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:06,304 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 18:59:06,304 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:06,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:06,312 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2020-07-28 18:59:06,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:06,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467697824] [2020-07-28 18:59:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:06,656 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {66#true} is VALID [2020-07-28 18:59:06,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; {66#true} is VALID [2020-07-28 18:59:06,658 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {66#true} is VALID [2020-07-28 18:59:06,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; {66#true} is VALID [2020-07-28 18:59:06,659 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume 0 != main_~tmp~3; {66#true} is VALID [2020-07-28 18:59:06,659 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} ~methAndRunningLastTime~0 := 0; {66#true} is VALID [2020-07-28 18:59:06,660 INFO L280 TraceCheckUtils]: 6: Hoare triple {66#true} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {66#true} is VALID [2020-07-28 18:59:06,661 INFO L280 TraceCheckUtils]: 7: Hoare triple {66#true} assume !true; {67#false} is VALID [2020-07-28 18:59:06,662 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {67#false} is VALID [2020-07-28 18:59:06,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#false} assume !(0 != ~pumpRunning~0); {67#false} is VALID [2020-07-28 18:59:06,662 INFO L280 TraceCheckUtils]: 10: Hoare triple {67#false} assume 0 != ~systemActive~0; {67#false} is VALID [2020-07-28 18:59:06,663 INFO L280 TraceCheckUtils]: 11: Hoare triple {67#false} havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {67#false} is VALID [2020-07-28 18:59:06,663 INFO L280 TraceCheckUtils]: 12: Hoare triple {67#false} __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret68 && __utac_acc__Specification2_spec__2_#t~ret68 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; {67#false} is VALID [2020-07-28 18:59:06,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {67#false} is VALID [2020-07-28 18:59:06,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {67#false} __utac_acc__Specification2_spec__2_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {67#false} is VALID [2020-07-28 18:59:06,664 INFO L280 TraceCheckUtils]: 15: Hoare triple {67#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {67#false} is VALID [2020-07-28 18:59:06,665 INFO L280 TraceCheckUtils]: 16: Hoare triple {67#false} assume 0 != ~methAndRunningLastTime~0; {67#false} is VALID [2020-07-28 18:59:06,665 INFO L280 TraceCheckUtils]: 17: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-28 18:59:06,670 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 18:59:06,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467697824] [2020-07-28 18:59:06,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:06,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:06,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53839636] [2020-07-28 18:59:06,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:06,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:06,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:06,735 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 18:59:06,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:06,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:06,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:06,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:06,749 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2020-07-28 18:59:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:06,956 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2020-07-28 18:59:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:06,956 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2020-07-28 18:59:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2020-07-28 18:59:06,975 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 180 transitions. [2020-07-28 18:59:07,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:07,237 INFO L225 Difference]: With dead ends: 119 [2020-07-28 18:59:07,237 INFO L226 Difference]: Without dead ends: 59 [2020-07-28 18:59:07,242 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 18:59:07,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-28 18:59:07,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-28 18:59:07,294 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:07,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:07,295 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:07,295 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,301 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:07,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,303 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:07,303 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:07,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,308 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:07,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,310 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:07,310 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 18:59:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-07-28 18:59:07,316 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-07-28 18:59:07,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:07,317 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-07-28 18:59:07,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:07,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:07,319 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 18:59:07,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:07,320 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:07,320 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2020-07-28 18:59:07,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:07,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349481415] [2020-07-28 18:59:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:07,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {441#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {441#true} is VALID [2020-07-28 18:59:07,494 INFO L280 TraceCheckUtils]: 1: Hoare triple {441#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; {441#true} is VALID [2020-07-28 18:59:07,495 INFO L280 TraceCheckUtils]: 2: Hoare triple {441#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {441#true} is VALID [2020-07-28 18:59:07,495 INFO L280 TraceCheckUtils]: 3: Hoare triple {441#true} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; {441#true} is VALID [2020-07-28 18:59:07,495 INFO L280 TraceCheckUtils]: 4: Hoare triple {441#true} assume 0 != main_~tmp~3; {441#true} is VALID [2020-07-28 18:59:07,496 INFO L280 TraceCheckUtils]: 5: Hoare triple {441#true} ~methAndRunningLastTime~0 := 0; {441#true} is VALID [2020-07-28 18:59:07,497 INFO L280 TraceCheckUtils]: 6: Hoare triple {441#true} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:07,498 INFO L280 TraceCheckUtils]: 7: Hoare triple {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:07,499 INFO L280 TraceCheckUtils]: 8: Hoare triple {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {442#false} is VALID [2020-07-28 18:59:07,499 INFO L280 TraceCheckUtils]: 9: Hoare triple {442#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {442#false} is VALID [2020-07-28 18:59:07,500 INFO L280 TraceCheckUtils]: 10: Hoare triple {442#false} assume !(0 != ~pumpRunning~0); {442#false} is VALID [2020-07-28 18:59:07,500 INFO L280 TraceCheckUtils]: 11: Hoare triple {442#false} assume 0 != ~systemActive~0; {442#false} is VALID [2020-07-28 18:59:07,500 INFO L280 TraceCheckUtils]: 12: Hoare triple {442#false} havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {442#false} is VALID [2020-07-28 18:59:07,501 INFO L280 TraceCheckUtils]: 13: Hoare triple {442#false} __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret68 && __utac_acc__Specification2_spec__2_#t~ret68 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; {442#false} is VALID [2020-07-28 18:59:07,501 INFO L280 TraceCheckUtils]: 14: Hoare triple {442#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {442#false} is VALID [2020-07-28 18:59:07,501 INFO L280 TraceCheckUtils]: 15: Hoare triple {442#false} __utac_acc__Specification2_spec__2_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {442#false} is VALID [2020-07-28 18:59:07,502 INFO L280 TraceCheckUtils]: 16: Hoare triple {442#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {442#false} is VALID [2020-07-28 18:59:07,502 INFO L280 TraceCheckUtils]: 17: Hoare triple {442#false} assume 0 != ~methAndRunningLastTime~0; {442#false} is VALID [2020-07-28 18:59:07,502 INFO L280 TraceCheckUtils]: 18: Hoare triple {442#false} assume !false; {442#false} is VALID [2020-07-28 18:59:07,504 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 18:59:07,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349481415] [2020-07-28 18:59:07,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:07,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:07,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608632796] [2020-07-28 18:59:07,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:07,512 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:07,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:07,544 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 18:59:07,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:07,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:07,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:07,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:07,545 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-07-28 18:59:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,777 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:07,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2020-07-28 18:59:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2020-07-28 18:59:07,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 82 transitions. [2020-07-28 18:59:07,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:07,909 INFO L225 Difference]: With dead ends: 59 [2020-07-28 18:59:07,909 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 18:59:07,910 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 18:59:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 18:59:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 18:59:07,926 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:07,926 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:07,927 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:07,927 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,930 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:59:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:07,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,931 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:07,932 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:07,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,934 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:59:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:07,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,936 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,936 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:07,936 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 18:59:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 18:59:07,939 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-07-28 18:59:07,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:07,939 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 18:59:07,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:07,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:07,941 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 18:59:07,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:07,942 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:07,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2020-07-28 18:59:07,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:07,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920240757] [2020-07-28 18:59:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:08,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {636#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,067 INFO L280 TraceCheckUtils]: 1: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,069 INFO L280 TraceCheckUtils]: 3: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,070 INFO L280 TraceCheckUtils]: 4: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,071 INFO L280 TraceCheckUtils]: 5: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,072 INFO L280 TraceCheckUtils]: 6: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,073 INFO L280 TraceCheckUtils]: 7: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !false; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,074 INFO L280 TraceCheckUtils]: 8: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,075 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,075 INFO L280 TraceCheckUtils]: 10: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,076 INFO L280 TraceCheckUtils]: 11: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,077 INFO L280 TraceCheckUtils]: 12: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,078 INFO L280 TraceCheckUtils]: 13: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,079 INFO L280 TraceCheckUtils]: 14: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,084 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,085 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:08,087 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {639#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:08,088 INFO L280 TraceCheckUtils]: 18: Hoare triple {639#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret68 && __utac_acc__Specification2_spec__2_#t~ret68 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; {640#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} is VALID [2020-07-28 18:59:08,089 INFO L280 TraceCheckUtils]: 19: Hoare triple {640#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {637#false} is VALID [2020-07-28 18:59:08,089 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#false} __utac_acc__Specification2_spec__2_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {637#false} is VALID [2020-07-28 18:59:08,090 INFO L280 TraceCheckUtils]: 21: Hoare triple {637#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {637#false} is VALID [2020-07-28 18:59:08,090 INFO L280 TraceCheckUtils]: 22: Hoare triple {637#false} assume 0 != ~methAndRunningLastTime~0; {637#false} is VALID [2020-07-28 18:59:08,091 INFO L280 TraceCheckUtils]: 23: Hoare triple {637#false} assume !false; {637#false} is VALID [2020-07-28 18:59:08,097 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 18:59:08,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920240757] [2020-07-28 18:59:08,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:08,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:08,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202940425] [2020-07-28 18:59:08,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:08,101 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:08,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:08,143 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 18:59:08,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:08,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:08,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:08,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:08,145 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-07-28 18:59:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:08,800 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2020-07-28 18:59:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:08,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2020-07-28 18:59:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2020-07-28 18:59:08,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 193 transitions. [2020-07-28 18:59:09,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:09,114 INFO L225 Difference]: With dead ends: 126 [2020-07-28 18:59:09,114 INFO L226 Difference]: Without dead ends: 102 [2020-07-28 18:59:09,114 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 18:59:09,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-28 18:59:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2020-07-28 18:59:09,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:09,164 INFO L82 GeneralOperation]: Start isEquivalent. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:09,164 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:09,164 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,170 INFO L93 Difference]: Finished difference Result 102 states and 154 transitions. [2020-07-28 18:59:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2020-07-28 18:59:09,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,173 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 102 states. [2020-07-28 18:59:09,173 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 102 states. [2020-07-28 18:59:09,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,178 INFO L93 Difference]: Finished difference Result 102 states and 154 transitions. [2020-07-28 18:59:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2020-07-28 18:59:09,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:09,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-28 18:59:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-07-28 18:59:09,183 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2020-07-28 18:59:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:09,183 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-07-28 18:59:09,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-07-28 18:59:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:09,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:09,185 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 18:59:09,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:09,185 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:09,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:09,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2020-07-28 18:59:09,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:09,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503423179] [2020-07-28 18:59:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:09,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {1106#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,305 INFO L280 TraceCheckUtils]: 3: Hoare triple {1108#(= 0 ~pumpRunning~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,306 INFO L280 TraceCheckUtils]: 4: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,306 INFO L280 TraceCheckUtils]: 5: Hoare triple {1108#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,308 INFO L280 TraceCheckUtils]: 6: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,308 INFO L280 TraceCheckUtils]: 7: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !false; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,309 INFO L280 TraceCheckUtils]: 8: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,310 INFO L280 TraceCheckUtils]: 9: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,310 INFO L280 TraceCheckUtils]: 10: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,311 INFO L280 TraceCheckUtils]: 11: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,312 INFO L280 TraceCheckUtils]: 12: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,312 INFO L280 TraceCheckUtils]: 13: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,313 INFO L280 TraceCheckUtils]: 14: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,314 INFO L280 TraceCheckUtils]: 15: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,314 INFO L280 TraceCheckUtils]: 16: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,315 INFO L280 TraceCheckUtils]: 17: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,316 INFO L280 TraceCheckUtils]: 18: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,316 INFO L280 TraceCheckUtils]: 19: Hoare triple {1108#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret68 && __utac_acc__Specification2_spec__2_#t~ret68 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:09,317 INFO L280 TraceCheckUtils]: 20: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1109#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:09,318 INFO L280 TraceCheckUtils]: 21: Hoare triple {1109#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret69 && __utac_acc__Specification2_spec__2_#t~ret69 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; {1110#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:09,319 INFO L280 TraceCheckUtils]: 22: Hoare triple {1110#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1107#false} is VALID [2020-07-28 18:59:09,319 INFO L280 TraceCheckUtils]: 23: Hoare triple {1107#false} assume 0 != ~methAndRunningLastTime~0; {1107#false} is VALID [2020-07-28 18:59:09,319 INFO L280 TraceCheckUtils]: 24: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2020-07-28 18:59:09,320 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 18:59:09,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503423179] [2020-07-28 18:59:09,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:09,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:09,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325123786] [2020-07-28 18:59:09,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:09,322 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:09,322 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:09,354 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 18:59:09,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:09,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:09,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:09,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:09,355 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2020-07-28 18:59:09,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,887 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2020-07-28 18:59:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:09,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:09,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2020-07-28 18:59:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2020-07-28 18:59:09,893 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 127 transitions. [2020-07-28 18:59:10,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:10,045 INFO L225 Difference]: With dead ends: 148 [2020-07-28 18:59:10,045 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:10,046 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 18:59:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:10,047 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:10,047 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:10,047 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:10,047 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:10,048 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:10,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:10,048 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:10,048 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:10,048 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:10,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:10,049 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:10,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:10,049 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:10,049 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:10,049 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:10,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-07-28 18:59:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:10,050 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:10,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:10,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:10,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:10,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:10,263 INFO L268 CegarLoopResult]: For program point L795(lines 795 799) no Hoare annotation was computed. [2020-07-28 18:59:10,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,264 INFO L268 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-07-28 18:59:10,264 INFO L264 CegarLoopResult]: At program point L597-1(lines 632 638) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,264 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-07-28 18:59:10,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:10,264 INFO L264 CegarLoopResult]: At program point L862-1(lines 1 882) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,264 INFO L268 CegarLoopResult]: For program point L862-2(lines 862 879) no Hoare annotation was computed. [2020-07-28 18:59:10,265 INFO L264 CegarLoopResult]: At program point L862-3(lines 1 882) the Hoare annotation is: false [2020-07-28 18:59:10,265 INFO L268 CegarLoopResult]: For program point L862-4(lines 862 879) no Hoare annotation was computed. [2020-07-28 18:59:10,265 INFO L264 CegarLoopResult]: At program point L862-5(lines 1 882) the Hoare annotation is: false [2020-07-28 18:59:10,265 INFO L264 CegarLoopResult]: At program point L632(lines 631 650) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,265 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 638) no Hoare annotation was computed. [2020-07-28 18:59:10,265 INFO L264 CegarLoopResult]: At program point L632-2(lines 631 650) the Hoare annotation is: false [2020-07-28 18:59:10,265 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-07-28 18:59:10,265 INFO L264 CegarLoopResult]: At program point L632-3(lines 631 650) the Hoare annotation is: false [2020-07-28 18:59:10,266 INFO L271 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 876) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L866-4(lines 866 876) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L264 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-28 18:59:10,266 INFO L268 CegarLoopResult]: For program point L867-2(lines 867 873) no Hoare annotation was computed. [2020-07-28 18:59:10,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:10,267 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-28 18:59:10,267 INFO L268 CegarLoopResult]: For program point L867-4(lines 867 873) no Hoare annotation was computed. [2020-07-28 18:59:10,267 INFO L264 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,267 INFO L264 CegarLoopResult]: At program point L851(lines 846 853) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,267 INFO L264 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,267 INFO L264 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2020-07-28 18:59:10,268 INFO L268 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2020-07-28 18:59:10,268 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-28 18:59:10,268 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-28 18:59:10,268 INFO L268 CegarLoopResult]: For program point L771-3(lines 771 775) no Hoare annotation was computed. [2020-07-28 18:59:10,268 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,268 INFO L264 CegarLoopResult]: At program point L639-1(lines 639 645) the Hoare annotation is: false [2020-07-28 18:59:10,268 INFO L268 CegarLoopResult]: For program point L771-6(lines 771 775) no Hoare annotation was computed. [2020-07-28 18:59:10,268 INFO L264 CegarLoopResult]: At program point L639-2(lines 639 645) the Hoare annotation is: false [2020-07-28 18:59:10,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:10,269 INFO L264 CegarLoopResult]: At program point L507(lines 503 509) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,269 INFO L271 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2020-07-28 18:59:10,269 INFO L264 CegarLoopResult]: At program point L691(lines 686 694) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,269 INFO L264 CegarLoopResult]: At program point L691-1(lines 686 694) the Hoare annotation is: false [2020-07-28 18:59:10,269 INFO L264 CegarLoopResult]: At program point L691-2(lines 686 694) the Hoare annotation is: false [2020-07-28 18:59:10,269 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-07-28 18:59:10,269 INFO L268 CegarLoopResult]: For program point L460-1(lines 632 638) no Hoare annotation was computed. [2020-07-28 18:59:10,270 INFO L264 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: false [2020-07-28 18:59:10,270 INFO L268 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2020-07-28 18:59:10,270 INFO L264 CegarLoopResult]: At program point L808(lines 803 811) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,270 INFO L264 CegarLoopResult]: At program point L808-1(lines 803 811) the Hoare annotation is: false [2020-07-28 18:59:10,270 INFO L264 CegarLoopResult]: At program point L808-2(lines 803 811) the Hoare annotation is: false [2020-07-28 18:59:10,270 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:10,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,270 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,271 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,271 INFO L268 CegarLoopResult]: For program point L759-2(line 759) no Hoare annotation was computed. [2020-07-28 18:59:10,271 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-07-28 18:59:10,271 INFO L268 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-07-28 18:59:10,271 INFO L264 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,271 INFO L264 CegarLoopResult]: At program point L431(lines 1 882) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:10,276 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:10,276 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:10,282 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 18:59:10,283 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 18:59:10,283 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 18:59:10,284 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:10,284 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 18:59:10,284 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:10,284 WARN L170 areAnnotationChecker]: L632-1 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L632-1 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L632-1 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L771-3 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L771-3 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-28 18:59:10,285 WARN L170 areAnnotationChecker]: L783 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L783 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L862-2 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L862-2 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L862-2 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 18:59:10,286 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-28 18:59:10,287 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L867-2 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L867-2 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-28 18:59:10,288 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:59:10,289 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:59:10,290 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:59:10,290 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:59:10,290 WARN L170 areAnnotationChecker]: L862 has no Hoare annotation [2020-07-28 18:59:10,290 WARN L170 areAnnotationChecker]: L771-6 has no Hoare annotation [2020-07-28 18:59:10,290 WARN L170 areAnnotationChecker]: L771-6 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L862 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L862 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L862-4 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 18:59:10,291 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 18:59:10,292 WARN L170 areAnnotationChecker]: L862-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L862-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 18:59:10,293 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 18:59:10,294 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 18:59:10,294 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 18:59:10,294 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 18:59:10,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:10 BoogieIcfgContainer [2020-07-28 18:59:10,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:10,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:10,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:10,312 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:10,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:06" (3/4) ... [2020-07-28 18:59:10,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:10,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:10,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:10,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:10,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:10,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:10,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:10,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:10,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:10,421 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:10,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:10,425 INFO L168 Benchmark]: Toolchain (without parser) took 6572.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 952.2 MB in the beginning and 942.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 228.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,425 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:10,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,426 INFO L168 Benchmark]: Boogie Preprocessor took 65.12 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 18:59:10,426 INFO L168 Benchmark]: RCFGBuilder took 1468.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,427 INFO L168 Benchmark]: TraceAbstraction took 4117.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 980.6 MB in the beginning and 950.6 MB in the end (delta: 30.1 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,427 INFO L168 Benchmark]: Witness Printer took 109.74 ms. Allocated memory is still 1.2 GB. Free memory was 950.6 MB in the beginning and 942.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:10,429 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 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 717.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.12 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 1468.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4117.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 980.6 MB in the beginning and 950.6 MB in the end (delta: 30.1 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * Witness Printer took 109.74 ms. Allocated memory is still 1.2 GB. Free memory was 950.6 MB in the beginning and 942.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: 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: 631]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...