./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product13.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 44f1ef45a377efa065428e9ab52d4697ba35b901 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:02:57,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:57,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:57,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:57,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:57,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:57,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:57,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:57,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:57,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:57,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:57,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:57,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:57,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:57,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:57,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:57,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:57,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:57,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:57,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:57,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:57,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:57,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:57,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:57,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:57,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:57,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:57,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:57,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:57,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:57,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:57,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:57,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:57,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:57,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:57,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:57,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:57,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:57,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:57,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:57,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:57,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:57,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:57,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:57,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:57,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:57,635 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:57,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:57,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:57,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:57,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:57,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:57,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:57,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:57,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:57,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:57,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:57,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:57,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:57,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:57,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:57,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:57,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:57,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:57,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:57,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:57,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:57,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:57,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:57,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:57,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:57,649 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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2020-07-28 19:02:57,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:57,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:57,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:57,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:57,977 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:57,978 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-07-28 19:02:58,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e369c4453/422123c3d75d4502aae8c8546e3faeff/FLAG28156ad30 [2020-07-28 19:02:58,473 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:58,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-07-28 19:02:58,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e369c4453/422123c3d75d4502aae8c8546e3faeff/FLAG28156ad30 [2020-07-28 19:02:58,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e369c4453/422123c3d75d4502aae8c8546e3faeff [2020-07-28 19:02:58,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:58,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:58,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:58,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:58,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:58,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:58" (1/1) ... [2020-07-28 19:02:58,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9580f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:58, skipping insertion in model container [2020-07-28 19:02:58,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:58" (1/1) ... [2020-07-28 19:02:58,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:58,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:59,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:59,291 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:59,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:59,437 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:59,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59 WrapperNode [2020-07-28 19:02:59,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:59,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:59,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:59,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:59,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:59,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:59,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:59,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:59,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:59,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:59,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:59,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:59,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:01,094 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:01,094 INFO L295 CfgBuilder]: Removed 96 assume(true) statements. [2020-07-28 19:03:01,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:01 BoogieIcfgContainer [2020-07-28 19:03:01,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:01,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:01,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:01,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:01,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:58" (1/3) ... [2020-07-28 19:03:01,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afc4b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:01, skipping insertion in model container [2020-07-28 19:03:01,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (2/3) ... [2020-07-28 19:03:01,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afc4b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:01, skipping insertion in model container [2020-07-28 19:03:01,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:01" (3/3) ... [2020-07-28 19:03:01,108 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-07-28 19:03:01,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:01,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:01,143 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:01,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:01,168 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:01,168 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:01,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:01,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:01,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:01,169 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:01,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-07-28 19:03:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:01,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:01,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:01,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:01,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:01,205 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2020-07-28 19:03:01,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:01,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692534196] [2020-07-28 19:03:01,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:01,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {72#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {72#true} is VALID [2020-07-28 19:03:01,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {72#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {72#true} is VALID [2020-07-28 19:03:01,579 INFO L280 TraceCheckUtils]: 2: Hoare triple {72#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {72#true} is VALID [2020-07-28 19:03:01,579 INFO L280 TraceCheckUtils]: 3: Hoare triple {72#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {72#true} is VALID [2020-07-28 19:03:01,579 INFO L280 TraceCheckUtils]: 4: Hoare triple {72#true} assume 0 != main_~tmp~4; {72#true} is VALID [2020-07-28 19:03:01,582 INFO L280 TraceCheckUtils]: 5: Hoare triple {72#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {72#true} is VALID [2020-07-28 19:03:01,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {72#true} assume false; {73#false} is VALID [2020-07-28 19:03:01,584 INFO L280 TraceCheckUtils]: 7: Hoare triple {73#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {73#false} is VALID [2020-07-28 19:03:01,585 INFO L280 TraceCheckUtils]: 8: Hoare triple {73#false} assume !(0 != ~pumpRunning~0); {73#false} is VALID [2020-07-28 19:03:01,585 INFO L280 TraceCheckUtils]: 9: Hoare triple {73#false} assume !(0 != ~systemActive~0); {73#false} is VALID [2020-07-28 19:03:01,585 INFO L280 TraceCheckUtils]: 10: Hoare triple {73#false} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {73#false} is VALID [2020-07-28 19:03:01,586 INFO L280 TraceCheckUtils]: 11: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {73#false} is VALID [2020-07-28 19:03:01,586 INFO L280 TraceCheckUtils]: 12: Hoare triple {73#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {73#false} is VALID [2020-07-28 19:03:01,587 INFO L280 TraceCheckUtils]: 13: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {73#false} is VALID [2020-07-28 19:03:01,588 INFO L280 TraceCheckUtils]: 14: Hoare triple {73#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {73#false} is VALID [2020-07-28 19:03:01,589 INFO L280 TraceCheckUtils]: 15: Hoare triple {73#false} assume !false; {73#false} is VALID [2020-07-28 19:03:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:01,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692534196] [2020-07-28 19:03:01,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:01,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:01,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559621604] [2020-07-28 19:03:01,605 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:01,608 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:01,612 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:01,661 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:01,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:01,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:01,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:01,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:01,676 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-07-28 19:03:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,902 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-07-28 19:03:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:01,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:03:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:03:01,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 197 transitions. [2020-07-28 19:03:02,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,246 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:03:02,246 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 19:03:02,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 19:03:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-28 19:03:02,310 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:02,311 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:02,312 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:02,312 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,322 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:02,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,324 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:02,324 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:02,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,338 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:02,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:02,340 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 19:03:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-07-28 19:03:02,347 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-07-28 19:03:02,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:02,347 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-07-28 19:03:02,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:02,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:02,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:02,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:02,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:02,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:02,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2020-07-28 19:03:02,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:02,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780725437] [2020-07-28 19:03:02,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:02,488 INFO L280 TraceCheckUtils]: 0: Hoare triple {488#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {488#true} is VALID [2020-07-28 19:03:02,488 INFO L280 TraceCheckUtils]: 1: Hoare triple {488#true} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {488#true} is VALID [2020-07-28 19:03:02,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {488#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {488#true} is VALID [2020-07-28 19:03:02,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {488#true} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {488#true} is VALID [2020-07-28 19:03:02,489 INFO L280 TraceCheckUtils]: 4: Hoare triple {488#true} assume 0 != main_~tmp~4; {488#true} is VALID [2020-07-28 19:03:02,491 INFO L280 TraceCheckUtils]: 5: Hoare triple {488#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {490#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:02,492 INFO L280 TraceCheckUtils]: 6: Hoare triple {490#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {490#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:02,493 INFO L280 TraceCheckUtils]: 7: Hoare triple {490#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {489#false} is VALID [2020-07-28 19:03:02,494 INFO L280 TraceCheckUtils]: 8: Hoare triple {489#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {489#false} is VALID [2020-07-28 19:03:02,494 INFO L280 TraceCheckUtils]: 9: Hoare triple {489#false} assume !(0 != ~pumpRunning~0); {489#false} is VALID [2020-07-28 19:03:02,494 INFO L280 TraceCheckUtils]: 10: Hoare triple {489#false} assume !(0 != ~systemActive~0); {489#false} is VALID [2020-07-28 19:03:02,495 INFO L280 TraceCheckUtils]: 11: Hoare triple {489#false} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {489#false} is VALID [2020-07-28 19:03:02,495 INFO L280 TraceCheckUtils]: 12: Hoare triple {489#false} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {489#false} is VALID [2020-07-28 19:03:02,495 INFO L280 TraceCheckUtils]: 13: Hoare triple {489#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {489#false} is VALID [2020-07-28 19:03:02,496 INFO L280 TraceCheckUtils]: 14: Hoare triple {489#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {489#false} is VALID [2020-07-28 19:03:02,496 INFO L280 TraceCheckUtils]: 15: Hoare triple {489#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {489#false} is VALID [2020-07-28 19:03:02,496 INFO L280 TraceCheckUtils]: 16: Hoare triple {489#false} assume !false; {489#false} is VALID [2020-07-28 19:03:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:02,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780725437] [2020-07-28 19:03:02,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:02,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:02,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102992729] [2020-07-28 19:03:02,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:02,501 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:02,501 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:02,529 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:02,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:02,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:02,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:02,530 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-07-28 19:03:02,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,788 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:02,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:02,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:03:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:03:02,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2020-07-28 19:03:02,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,908 INFO L225 Difference]: With dead ends: 65 [2020-07-28 19:03:02,908 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:03:02,910 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 19:03:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:03:02,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:03:02,924 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:02,924 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:02,924 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:02,924 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,927 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:03:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:02,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,929 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:02,929 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,931 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:03:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:02,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,933 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:02,933 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:03:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:03:02,935 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-07-28 19:03:02,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:02,936 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:03:02,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:02,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:02,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:02,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:02,938 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:02,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:02,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-07-28 19:03:02,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:02,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97729313] [2020-07-28 19:03:02,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:03,076 INFO L280 TraceCheckUtils]: 0: Hoare triple {691#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {693#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,078 INFO L280 TraceCheckUtils]: 2: Hoare triple {693#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,079 INFO L280 TraceCheckUtils]: 3: Hoare triple {693#(= 1 ~systemActive~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,080 INFO L280 TraceCheckUtils]: 4: Hoare triple {693#(= 1 ~systemActive~0)} assume 0 != main_~tmp~4; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,081 INFO L280 TraceCheckUtils]: 5: Hoare triple {693#(= 1 ~systemActive~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,081 INFO L280 TraceCheckUtils]: 6: Hoare triple {693#(= 1 ~systemActive~0)} assume !false; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,082 INFO L280 TraceCheckUtils]: 7: Hoare triple {693#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,083 INFO L280 TraceCheckUtils]: 8: Hoare triple {693#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,084 INFO L280 TraceCheckUtils]: 9: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~7); {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,084 INFO L280 TraceCheckUtils]: 10: Hoare triple {693#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,085 INFO L280 TraceCheckUtils]: 11: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {693#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,088 INFO L280 TraceCheckUtils]: 13: Hoare triple {693#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,088 INFO L280 TraceCheckUtils]: 14: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {693#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:03,089 INFO L280 TraceCheckUtils]: 15: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {692#false} is VALID [2020-07-28 19:03:03,090 INFO L280 TraceCheckUtils]: 16: Hoare triple {692#false} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {692#false} is VALID [2020-07-28 19:03:03,090 INFO L280 TraceCheckUtils]: 17: Hoare triple {692#false} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {692#false} is VALID [2020-07-28 19:03:03,090 INFO L280 TraceCheckUtils]: 18: Hoare triple {692#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {692#false} is VALID [2020-07-28 19:03:03,091 INFO L280 TraceCheckUtils]: 19: Hoare triple {692#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {692#false} is VALID [2020-07-28 19:03:03,091 INFO L280 TraceCheckUtils]: 20: Hoare triple {692#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {692#false} is VALID [2020-07-28 19:03:03,091 INFO L280 TraceCheckUtils]: 21: Hoare triple {692#false} assume !false; {692#false} is VALID [2020-07-28 19:03:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:03,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97729313] [2020-07-28 19:03:03,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:03,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:03,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516429922] [2020-07-28 19:03:03,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:03,099 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:03,100 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:03,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:03,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:03,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:03,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:03,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:03,145 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-07-28 19:03:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,290 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-07-28 19:03:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:03,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:03,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2020-07-28 19:03:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2020-07-28 19:03:03,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 80 transitions. [2020-07-28 19:03:03,386 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:03,388 INFO L225 Difference]: With dead ends: 56 [2020-07-28 19:03:03,388 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:03:03,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:03:03,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:03:03,412 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:03,412 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:03,412 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:03,412 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,414 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:03:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:03,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:03,415 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:03,415 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:03,415 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:03,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,417 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:03:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:03,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:03,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:03,418 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:03,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:03:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-07-28 19:03:03,419 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-07-28 19:03:03,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:03,420 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-07-28 19:03:03,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:03,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:03,421 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] [2020-07-28 19:03:03,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:03,421 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:03,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:03,422 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-07-28 19:03:03,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:03,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427277855] [2020-07-28 19:03:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:03,516 INFO L280 TraceCheckUtils]: 0: Hoare triple {878#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,517 INFO L280 TraceCheckUtils]: 1: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,520 INFO L280 TraceCheckUtils]: 3: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,521 INFO L280 TraceCheckUtils]: 4: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume 0 != main_~tmp~4; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,521 INFO L280 TraceCheckUtils]: 5: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,522 INFO L280 TraceCheckUtils]: 6: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume !false; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,523 INFO L280 TraceCheckUtils]: 7: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,524 INFO L280 TraceCheckUtils]: 9: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != test_~tmp~7); {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,526 INFO L280 TraceCheckUtils]: 11: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,526 INFO L280 TraceCheckUtils]: 12: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,527 INFO L280 TraceCheckUtils]: 13: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume 0 != test_~tmp___2~0; {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,528 INFO L280 TraceCheckUtils]: 14: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {880#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:03,529 INFO L280 TraceCheckUtils]: 15: Hoare triple {880#(= ~waterLevel~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {881#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:03,529 INFO L280 TraceCheckUtils]: 16: Hoare triple {881#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {881#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:03,530 INFO L280 TraceCheckUtils]: 17: Hoare triple {881#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {882#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:03,534 INFO L280 TraceCheckUtils]: 18: Hoare triple {882#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {883#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} is VALID [2020-07-28 19:03:03,535 INFO L280 TraceCheckUtils]: 19: Hoare triple {883#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {879#false} is VALID [2020-07-28 19:03:03,536 INFO L280 TraceCheckUtils]: 20: Hoare triple {879#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {879#false} is VALID [2020-07-28 19:03:03,536 INFO L280 TraceCheckUtils]: 21: Hoare triple {879#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {879#false} is VALID [2020-07-28 19:03:03,536 INFO L280 TraceCheckUtils]: 22: Hoare triple {879#false} assume !false; {879#false} is VALID [2020-07-28 19:03:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:03,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427277855] [2020-07-28 19:03:03,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:03,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:03,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477088468] [2020-07-28 19:03:03,539 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-28 19:03:03,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:03,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:03,572 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:03,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:03,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:03,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:03,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:03,573 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2020-07-28 19:03:04,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,507 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2020-07-28 19:03:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:03:04,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-28 19:03:04,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 266 transitions. [2020-07-28 19:03:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 266 transitions. [2020-07-28 19:03:04,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 266 transitions. [2020-07-28 19:03:04,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 266 edges. 266 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:04,822 INFO L225 Difference]: With dead ends: 178 [2020-07-28 19:03:04,822 INFO L226 Difference]: Without dead ends: 153 [2020-07-28 19:03:04,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-07-28 19:03:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-28 19:03:04,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 51. [2020-07-28 19:03:04,877 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:04,877 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 51 states. [2020-07-28 19:03:04,877 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 51 states. [2020-07-28 19:03:04,877 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 51 states. [2020-07-28 19:03:04,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,883 INFO L93 Difference]: Finished difference Result 153 states and 228 transitions. [2020-07-28 19:03:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2020-07-28 19:03:04,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:04,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:04,885 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 153 states. [2020-07-28 19:03:04,885 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 153 states. [2020-07-28 19:03:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,892 INFO L93 Difference]: Finished difference Result 153 states and 228 transitions. [2020-07-28 19:03:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2020-07-28 19:03:04,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:04,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:04,893 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:04,893 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-28 19:03:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2020-07-28 19:03:04,895 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 23 [2020-07-28 19:03:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:04,896 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2020-07-28 19:03:04,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2020-07-28 19:03:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:04,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:04,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:04,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:04,897 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:04,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2020-07-28 19:03:04,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:04,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536166833] [2020-07-28 19:03:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:05,008 INFO L280 TraceCheckUtils]: 0: Hoare triple {1524#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,011 INFO L280 TraceCheckUtils]: 1: Hoare triple {1526#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,011 INFO L280 TraceCheckUtils]: 2: Hoare triple {1526#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,012 INFO L280 TraceCheckUtils]: 3: Hoare triple {1526#(= 1 ~waterLevel~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,012 INFO L280 TraceCheckUtils]: 4: Hoare triple {1526#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,013 INFO L280 TraceCheckUtils]: 5: Hoare triple {1526#(= 1 ~waterLevel~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,013 INFO L280 TraceCheckUtils]: 6: Hoare triple {1526#(= 1 ~waterLevel~0)} assume !false; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,014 INFO L280 TraceCheckUtils]: 7: Hoare triple {1526#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,014 INFO L280 TraceCheckUtils]: 8: Hoare triple {1526#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,015 INFO L280 TraceCheckUtils]: 9: Hoare triple {1526#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~7; {1526#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,016 INFO L280 TraceCheckUtils]: 10: Hoare triple {1526#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,016 INFO L280 TraceCheckUtils]: 11: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,019 INFO L280 TraceCheckUtils]: 12: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,020 INFO L280 TraceCheckUtils]: 13: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,021 INFO L280 TraceCheckUtils]: 14: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,022 INFO L280 TraceCheckUtils]: 15: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,022 INFO L280 TraceCheckUtils]: 16: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,023 INFO L280 TraceCheckUtils]: 17: Hoare triple {1527#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1527#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:05,024 INFO L280 TraceCheckUtils]: 18: Hoare triple {1527#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1528#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:05,025 INFO L280 TraceCheckUtils]: 19: Hoare triple {1528#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {1529#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} is VALID [2020-07-28 19:03:05,025 INFO L280 TraceCheckUtils]: 20: Hoare triple {1529#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {1525#false} is VALID [2020-07-28 19:03:05,025 INFO L280 TraceCheckUtils]: 21: Hoare triple {1525#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {1525#false} is VALID [2020-07-28 19:03:05,026 INFO L280 TraceCheckUtils]: 22: Hoare triple {1525#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1525#false} is VALID [2020-07-28 19:03:05,026 INFO L280 TraceCheckUtils]: 23: Hoare triple {1525#false} assume !false; {1525#false} is VALID [2020-07-28 19:03:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:05,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536166833] [2020-07-28 19:03:05,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:05,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:05,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775221464] [2020-07-28 19:03:05,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:03:05,029 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:05,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:05,061 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:05,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:05,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:05,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:05,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:05,062 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 6 states. [2020-07-28 19:03:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,156 INFO L93 Difference]: Finished difference Result 224 states and 331 transitions. [2020-07-28 19:03:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:03:06,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:03:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 251 transitions. [2020-07-28 19:03:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 251 transitions. [2020-07-28 19:03:06,165 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 251 transitions. [2020-07-28 19:03:06,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:06,468 INFO L225 Difference]: With dead ends: 224 [2020-07-28 19:03:06,468 INFO L226 Difference]: Without dead ends: 179 [2020-07-28 19:03:06,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:03:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-28 19:03:06,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 72. [2020-07-28 19:03:06,555 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:06,556 INFO L82 GeneralOperation]: Start isEquivalent. First operand 179 states. Second operand 72 states. [2020-07-28 19:03:06,556 INFO L74 IsIncluded]: Start isIncluded. First operand 179 states. Second operand 72 states. [2020-07-28 19:03:06,556 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 72 states. [2020-07-28 19:03:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,562 INFO L93 Difference]: Finished difference Result 179 states and 255 transitions. [2020-07-28 19:03:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 255 transitions. [2020-07-28 19:03:06,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,563 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 179 states. [2020-07-28 19:03:06,563 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 179 states. [2020-07-28 19:03:06,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,569 INFO L93 Difference]: Finished difference Result 179 states and 255 transitions. [2020-07-28 19:03:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 255 transitions. [2020-07-28 19:03:06,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,570 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:06,570 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 19:03:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-07-28 19:03:06,573 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 24 [2020-07-28 19:03:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:06,573 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-07-28 19:03:06,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-07-28 19:03:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:06,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:06,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:06,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:06,575 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:06,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2020-07-28 19:03:06,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:06,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188547987] [2020-07-28 19:03:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:06,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {2315#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,631 INFO L280 TraceCheckUtils]: 1: Hoare triple {2317#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {2317#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,633 INFO L280 TraceCheckUtils]: 3: Hoare triple {2317#(= 0 ~pumpRunning~0)} main_#t~ret47 := valid_product_#res;assume -2147483648 <= main_#t~ret47 && main_#t~ret47 <= 2147483647;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,634 INFO L280 TraceCheckUtils]: 4: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,636 INFO L280 TraceCheckUtils]: 5: Hoare triple {2317#(= 0 ~pumpRunning~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,640 INFO L280 TraceCheckUtils]: 6: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume !false; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,641 INFO L280 TraceCheckUtils]: 7: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,642 INFO L280 TraceCheckUtils]: 8: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,643 INFO L280 TraceCheckUtils]: 9: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~7); {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,643 INFO L280 TraceCheckUtils]: 10: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,644 INFO L280 TraceCheckUtils]: 11: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,645 INFO L280 TraceCheckUtils]: 12: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,645 INFO L280 TraceCheckUtils]: 13: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:06,646 INFO L280 TraceCheckUtils]: 14: Hoare triple {2317#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2316#false} is VALID [2020-07-28 19:03:06,646 INFO L280 TraceCheckUtils]: 15: Hoare triple {2316#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2316#false} is VALID [2020-07-28 19:03:06,646 INFO L280 TraceCheckUtils]: 16: Hoare triple {2316#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {2316#false} is VALID [2020-07-28 19:03:06,647 INFO L280 TraceCheckUtils]: 17: Hoare triple {2316#false} assume !(0 != ~pumpRunning~0); {2316#false} is VALID [2020-07-28 19:03:06,647 INFO L280 TraceCheckUtils]: 18: Hoare triple {2316#false} havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {2316#false} is VALID [2020-07-28 19:03:06,647 INFO L280 TraceCheckUtils]: 19: Hoare triple {2316#false} __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret45 && __utac_acc__Specification4_spec__1_#t~ret45 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; {2316#false} is VALID [2020-07-28 19:03:06,648 INFO L280 TraceCheckUtils]: 20: Hoare triple {2316#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~3;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; {2316#false} is VALID [2020-07-28 19:03:06,648 INFO L280 TraceCheckUtils]: 21: Hoare triple {2316#false} __utac_acc__Specification4_spec__1_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret46 && __utac_acc__Specification4_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; {2316#false} is VALID [2020-07-28 19:03:06,648 INFO L280 TraceCheckUtils]: 22: Hoare triple {2316#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2316#false} is VALID [2020-07-28 19:03:06,649 INFO L280 TraceCheckUtils]: 23: Hoare triple {2316#false} assume !false; {2316#false} is VALID [2020-07-28 19:03:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:06,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188547987] [2020-07-28 19:03:06,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:06,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:06,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319634238] [2020-07-28 19:03:06,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:06,651 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:06,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:06,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:06,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:06,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:06,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:06,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:06,685 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 3 states. [2020-07-28 19:03:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,853 INFO L93 Difference]: Finished difference Result 106 states and 147 transitions. [2020-07-28 19:03:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:06,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2020-07-28 19:03:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2020-07-28 19:03:06,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 67 transitions. [2020-07-28 19:03:06,924 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:06,924 INFO L225 Difference]: With dead ends: 106 [2020-07-28 19:03:06,925 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:06,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:06,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:06,926 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:06,926 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:06,926 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:06,927 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,927 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:06,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,930 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:06,930 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,930 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:06,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:06,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:06,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 19:03:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:06,932 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:06,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:06,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:03:06,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point L828-2(lines 639 645) no Hoare annotation was computed. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,621 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:07,622 INFO L268 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:07,622 INFO L268 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:07,622 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-07-28 19:03:07,622 INFO L264 CegarLoopResult]: At program point L812-1(lines 812 818) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:07,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:07,622 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-07-28 19:03:07,623 INFO L271 CegarLoopResult]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2020-07-28 19:03:07,623 INFO L264 CegarLoopResult]: At program point L732(lines 725 735) the Hoare annotation is: false [2020-07-28 19:03:07,623 INFO L264 CegarLoopResult]: At program point L732-1(lines 725 735) the Hoare annotation is: false [2020-07-28 19:03:07,623 INFO L264 CegarLoopResult]: At program point L732-2(lines 725 735) the Hoare annotation is: false [2020-07-28 19:03:07,623 INFO L264 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-28 19:03:07,626 INFO L264 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:07,626 INFO L264 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:07,626 INFO L264 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:07,626 INFO L264 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:07,626 INFO L264 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:07,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:07,627 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-07-28 19:03:07,627 INFO L264 CegarLoopResult]: At program point L802-1(lines 802 808) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:07,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,627 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-07-28 19:03:07,627 INFO L264 CegarLoopResult]: At program point L869(lines 1 880) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:07,628 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-07-28 19:03:07,628 INFO L268 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2020-07-28 19:03:07,628 INFO L268 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2020-07-28 19:03:07,628 INFO L264 CegarLoopResult]: At program point L589(lines 585 591) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:07,628 INFO L264 CegarLoopResult]: At program point L639(lines 638 657) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:07,634 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2020-07-28 19:03:07,634 INFO L264 CegarLoopResult]: At program point L639-2(lines 638 657) the Hoare annotation is: false [2020-07-28 19:03:07,634 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:07,634 INFO L264 CegarLoopResult]: At program point L639-3(lines 638 657) the Hoare annotation is: false [2020-07-28 19:03:07,634 INFO L264 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: false [2020-07-28 19:03:07,635 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: false [2020-07-28 19:03:07,635 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-28 19:03:07,635 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-07-28 19:03:07,635 INFO L271 CegarLoopResult]: At program point L625(lines 606 628) the Hoare annotation is: true [2020-07-28 19:03:07,635 INFO L264 CegarLoopResult]: At program point L741(lines 736 744) the Hoare annotation is: false [2020-07-28 19:03:07,636 INFO L264 CegarLoopResult]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2020-07-28 19:03:07,636 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-07-28 19:03:07,636 INFO L264 CegarLoopResult]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2020-07-28 19:03:07,636 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2020-07-28 19:03:07,636 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-07-28 19:03:07,637 INFO L268 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2020-07-28 19:03:07,637 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-07-28 19:03:07,637 INFO L264 CegarLoopResult]: At program point L510-1(lines 1 880) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3)) .cse2 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) (not (= 0 ~waterLevel~0)) .cse3) (and .cse2 (= ~waterLevel~0 ~systemActive~0) .cse3))))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:07,637 INFO L268 CegarLoopResult]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2020-07-28 19:03:07,637 INFO L264 CegarLoopResult]: At program point L510-3(lines 1 880) the Hoare annotation is: false [2020-07-28 19:03:07,638 INFO L268 CegarLoopResult]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2020-07-28 19:03:07,638 INFO L264 CegarLoopResult]: At program point L510-5(lines 1 880) the Hoare annotation is: false [2020-07-28 19:03:07,638 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-07-28 19:03:07,638 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:07,638 INFO L268 CegarLoopResult]: For program point L544-1(lines 639 645) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point L496-1(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point L496-2(line 496) no Hoare annotation was computed. [2020-07-28 19:03:07,639 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-07-28 19:03:07,640 INFO L264 CegarLoopResult]: At program point L877(lines 872 880) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:07,640 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:07,640 INFO L264 CegarLoopResult]: At program point L646-1(lines 646 652) the Hoare annotation is: false [2020-07-28 19:03:07,640 INFO L264 CegarLoopResult]: At program point L646-2(lines 646 652) the Hoare annotation is: false [2020-07-28 19:03:07,641 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-07-28 19:03:07,645 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:07,646 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:07,647 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:03:07,647 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:03:07,647 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:03:07,652 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L639-1 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L639-1 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L639-1 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-28 19:03:07,653 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:03:07,654 WARN L170 areAnnotationChecker]: L510-2 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L510-2 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L510-2 has no Hoare annotation [2020-07-28 19:03:07,655 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:07,656 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:07,656 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:03:07,656 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:03:07,656 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L514-2 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L514-2 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L514-2 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L828-2 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L828-2 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:03:07,657 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:03:07,658 WARN L170 areAnnotationChecker]: L496-1 has no Hoare annotation [2020-07-28 19:03:07,658 WARN L170 areAnnotationChecker]: L496-1 has no Hoare annotation [2020-07-28 19:03:07,658 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-28 19:03:07,658 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:07,658 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:07,659 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:03:07,660 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:03:07,660 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:03:07,660 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:03:07,660 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:03:07,661 WARN L170 areAnnotationChecker]: L544-1 has no Hoare annotation [2020-07-28 19:03:07,661 WARN L170 areAnnotationChecker]: L544-1 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:03:07,662 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L510 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L510-4 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-28 19:03:07,663 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L510-4 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L510-4 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L514-4 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L514-4 has no Hoare annotation [2020-07-28 19:03:07,664 WARN L170 areAnnotationChecker]: L514-4 has no Hoare annotation [2020-07-28 19:03:07,665 WARN L170 areAnnotationChecker]: L496-2 has no Hoare annotation [2020-07-28 19:03:07,665 WARN L170 areAnnotationChecker]: L496-2 has no Hoare annotation [2020-07-28 19:03:07,665 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:07 BoogieIcfgContainer [2020-07-28 19:03:07,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:07,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:07,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:07,726 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:07,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:01" (3/4) ... [2020-07-28 19:03:07,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:07,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:07,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:07,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:07,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:07,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:07,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:07,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:07,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == pumpRunning && 1 == waterLevel) && (((((!(0 == tmp) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == waterLevel)) && 1 == systemActive) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == systemActive))) || ((2 <= waterLevel && 0 == pumpRunning) && (((((!(0 == tmp) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == waterLevel)) && 1 == systemActive) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == systemActive))) [2020-07-28 19:03:07,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:03:07,887 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:07,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:07,891 INFO L168 Benchmark]: Toolchain (without parser) took 9102.12 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 210.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:07,891 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:07,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:07,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:07,892 INFO L168 Benchmark]: Boogie Preprocessor took 89.86 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 19:03:07,893 INFO L168 Benchmark]: RCFGBuilder took 1427.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:07,893 INFO L168 Benchmark]: TraceAbstraction took 6625.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 978.9 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:07,894 INFO L168 Benchmark]: Witness Printer took 161.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:07,896 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 0.37 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 647.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.86 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. * RCFGBuilder took 1427.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6625.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 978.9 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Witness Printer took 161.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && 1 == waterLevel) && (((((!(0 == tmp) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == waterLevel)) && 1 == systemActive) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == systemActive))) || ((2 <= waterLevel && 0 == pumpRunning) && (((((!(0 == tmp) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == waterLevel)) && 1 == systemActive) || ((0 == splverifierCounter && waterLevel == systemActive) && 1 == systemActive))) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 365 SDtfs, 478 SDslu, 559 SDs, 0 SdLazy, 125 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 209 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 269 HoareAnnotationTreeSize, 30 FomulaSimplifications, 2007 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 321 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 5692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...