./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.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 f306469f6fc3f3c0759d128d38f84cc775adb88e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:12,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:12,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:12,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:12,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:12,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:12,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:12,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:12,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:12,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:12,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:12,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:12,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:12,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:12,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:12,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:12,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:12,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:12,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:12,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:12,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:12,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:12,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:12,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:12,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:12,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:12,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:12,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:12,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:12,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:12,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:12,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:12,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:12,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:12,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:12,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:12,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:12,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:12,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:12,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:12,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:12,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:12,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:12,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:12,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:12,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:12,789 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:12,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:12,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:12,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:12,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:12,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:12,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:12,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:12,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:12,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:12,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:12,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:12,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:12,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:12,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:12,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:12,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:12,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:12,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:12,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:12,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:12,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:12,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:12,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:12,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:12,797 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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2020-07-28 18:59:13,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:13,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:13,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:13,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:13,114 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:13,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-07-28 18:59:13,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f5d87f1/424bc6b2c69f4e0f891e4ca395aa7c1a/FLAGee8803fb4 [2020-07-28 18:59:13,699 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:13,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-07-28 18:59:13,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f5d87f1/424bc6b2c69f4e0f891e4ca395aa7c1a/FLAGee8803fb4 [2020-07-28 18:59:14,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f5d87f1/424bc6b2c69f4e0f891e4ca395aa7c1a [2020-07-28 18:59:14,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:14,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:14,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:14,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:14,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:14,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3118f63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14, skipping insertion in model container [2020-07-28 18:59:14,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:14,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:14,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:14,562 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:14,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:14,734 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:14,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14 WrapperNode [2020-07-28 18:59:14,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:14,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:14,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:14,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:14,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:14,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:14,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:14,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:14,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:14,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:14,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:14,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:14,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:16,441 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:16,442 INFO L295 CfgBuilder]: Removed 68 assume(true) statements. [2020-07-28 18:59:16,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:16 BoogieIcfgContainer [2020-07-28 18:59:16,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:16,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:16,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:16,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:16,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:14" (1/3) ... [2020-07-28 18:59:16,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25282196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:16, skipping insertion in model container [2020-07-28 18:59:16,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (2/3) ... [2020-07-28 18:59:16,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25282196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:16, skipping insertion in model container [2020-07-28 18:59:16,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:16" (3/3) ... [2020-07-28 18:59:16,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-07-28 18:59:16,467 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:16,476 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:16,491 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:16,516 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:16,516 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:16,517 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:16,517 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:16,517 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:16,517 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:16,518 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:16,518 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-07-28 18:59:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:16,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:16,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:16,546 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:16,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:16,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2020-07-28 18:59:16,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:16,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347886102] [2020-07-28 18:59:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:16,863 INFO L280 TraceCheckUtils]: 0: Hoare triple {64#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {64#true} is VALID [2020-07-28 18:59:16,864 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; {64#true} is VALID [2020-07-28 18:59:16,864 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#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; {64#true} is VALID [2020-07-28 18:59:16,864 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {64#true} is VALID [2020-07-28 18:59:16,865 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#true} assume 0 != main_~tmp~6; {64#true} is VALID [2020-07-28 18:59:16,865 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#true} ~methAndRunningLastTime~0 := 0; {64#true} is VALID [2020-07-28 18:59:16,866 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {64#true} is VALID [2020-07-28 18:59:16,867 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#true} assume false; {65#false} is VALID [2020-07-28 18:59:16,868 INFO L280 TraceCheckUtils]: 8: Hoare triple {65#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {65#false} is VALID [2020-07-28 18:59:16,868 INFO L280 TraceCheckUtils]: 9: Hoare triple {65#false} assume !(0 != ~pumpRunning~0); {65#false} is VALID [2020-07-28 18:59:16,868 INFO L280 TraceCheckUtils]: 10: Hoare triple {65#false} assume 0 != ~systemActive~0; {65#false} is VALID [2020-07-28 18:59:16,869 INFO L280 TraceCheckUtils]: 11: Hoare triple {65#false} havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {65#false} is VALID [2020-07-28 18:59:16,870 INFO L280 TraceCheckUtils]: 12: Hoare triple {65#false} __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret57 && __utac_acc__Specification2_spec__2_#t~ret57 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; {65#false} is VALID [2020-07-28 18:59:16,871 INFO L280 TraceCheckUtils]: 13: Hoare triple {65#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {65#false} is VALID [2020-07-28 18:59:16,871 INFO L280 TraceCheckUtils]: 14: Hoare triple {65#false} __utac_acc__Specification2_spec__2_#t~ret58 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret58 && __utac_acc__Specification2_spec__2_#t~ret58 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; {65#false} is VALID [2020-07-28 18:59:16,872 INFO L280 TraceCheckUtils]: 15: Hoare triple {65#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {65#false} is VALID [2020-07-28 18:59:16,872 INFO L280 TraceCheckUtils]: 16: Hoare triple {65#false} assume 0 != ~methAndRunningLastTime~0; {65#false} is VALID [2020-07-28 18:59:16,872 INFO L280 TraceCheckUtils]: 17: Hoare triple {65#false} assume !false; {65#false} is VALID [2020-07-28 18:59:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:16,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347886102] [2020-07-28 18:59:16,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:16,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:16,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217964990] [2020-07-28 18:59:16,889 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:16,892 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:16,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:16,940 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:16,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:16,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:16,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:16,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:16,953 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-07-28 18:59:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,129 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2020-07-28 18:59:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:17,129 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:17,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2020-07-28 18:59:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2020-07-28 18:59:17,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 174 transitions. [2020-07-28 18:59:17,406 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:17,420 INFO L225 Difference]: With dead ends: 115 [2020-07-28 18:59:17,420 INFO L226 Difference]: Without dead ends: 57 [2020-07-28 18:59:17,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-28 18:59:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-07-28 18:59:17,471 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:17,472 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:17,473 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:17,473 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,479 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:17,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:17,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:17,480 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:17,481 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,486 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:17,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:17,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:17,487 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:17,488 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-28 18:59:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-07-28 18:59:17,494 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-07-28 18:59:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:17,494 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-07-28 18:59:17,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:17,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:17,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:17,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:17,497 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:17,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:17,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2020-07-28 18:59:17,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:17,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20879180] [2020-07-28 18:59:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:17,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {423#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {423#true} is VALID [2020-07-28 18:59:17,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {423#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; {423#true} is VALID [2020-07-28 18:59:17,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {423#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; {423#true} is VALID [2020-07-28 18:59:17,680 INFO L280 TraceCheckUtils]: 3: Hoare triple {423#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {423#true} is VALID [2020-07-28 18:59:17,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {423#true} assume 0 != main_~tmp~6; {423#true} is VALID [2020-07-28 18:59:17,681 INFO L280 TraceCheckUtils]: 5: Hoare triple {423#true} ~methAndRunningLastTime~0 := 0; {423#true} is VALID [2020-07-28 18:59:17,682 INFO L280 TraceCheckUtils]: 6: Hoare triple {423#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {425#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:17,683 INFO L280 TraceCheckUtils]: 7: Hoare triple {425#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {425#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:17,684 INFO L280 TraceCheckUtils]: 8: Hoare triple {425#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {424#false} is VALID [2020-07-28 18:59:17,685 INFO L280 TraceCheckUtils]: 9: Hoare triple {424#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {424#false} is VALID [2020-07-28 18:59:17,685 INFO L280 TraceCheckUtils]: 10: Hoare triple {424#false} assume !(0 != ~pumpRunning~0); {424#false} is VALID [2020-07-28 18:59:17,686 INFO L280 TraceCheckUtils]: 11: Hoare triple {424#false} assume 0 != ~systemActive~0; {424#false} is VALID [2020-07-28 18:59:17,686 INFO L280 TraceCheckUtils]: 12: Hoare triple {424#false} havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {424#false} is VALID [2020-07-28 18:59:17,686 INFO L280 TraceCheckUtils]: 13: Hoare triple {424#false} __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret57 && __utac_acc__Specification2_spec__2_#t~ret57 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; {424#false} is VALID [2020-07-28 18:59:17,687 INFO L280 TraceCheckUtils]: 14: Hoare triple {424#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {424#false} is VALID [2020-07-28 18:59:17,687 INFO L280 TraceCheckUtils]: 15: Hoare triple {424#false} __utac_acc__Specification2_spec__2_#t~ret58 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret58 && __utac_acc__Specification2_spec__2_#t~ret58 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; {424#false} is VALID [2020-07-28 18:59:17,687 INFO L280 TraceCheckUtils]: 16: Hoare triple {424#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {424#false} is VALID [2020-07-28 18:59:17,688 INFO L280 TraceCheckUtils]: 17: Hoare triple {424#false} assume 0 != ~methAndRunningLastTime~0; {424#false} is VALID [2020-07-28 18:59:17,688 INFO L280 TraceCheckUtils]: 18: Hoare triple {424#false} assume !false; {424#false} is VALID [2020-07-28 18:59:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:17,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20879180] [2020-07-28 18:59:17,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:17,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:17,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452168268] [2020-07-28 18:59:17,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:17,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:17,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:17,727 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:17,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:17,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:17,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:17,729 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-07-28 18:59:17,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,912 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:17,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:17,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2020-07-28 18:59:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2020-07-28 18:59:17,926 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 79 transitions. [2020-07-28 18:59:18,057 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:18,059 INFO L225 Difference]: With dead ends: 57 [2020-07-28 18:59:18,059 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 18:59:18,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 18:59:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 18:59:18,076 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:18,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:18,077 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:18,077 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,083 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:59:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:18,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:18,084 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:18,085 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:18,085 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:18,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,092 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:59:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:18,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:18,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:18,093 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:18,094 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 18:59:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 18:59:18,098 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-07-28 18:59:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:18,098 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 18:59:18,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:18,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:18,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:18,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:18,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:18,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:18,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2020-07-28 18:59:18,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:18,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838332729] [2020-07-28 18:59:18,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:18,298 INFO L280 TraceCheckUtils]: 0: Hoare triple {606#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,299 INFO L280 TraceCheckUtils]: 1: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {608#(= 0 ~methaneLevelCritical~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; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,301 INFO L280 TraceCheckUtils]: 3: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,302 INFO L280 TraceCheckUtils]: 4: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~6; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,303 INFO L280 TraceCheckUtils]: 5: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,306 INFO L280 TraceCheckUtils]: 6: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,307 INFO L280 TraceCheckUtils]: 7: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume !false; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,308 INFO L280 TraceCheckUtils]: 8: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,309 INFO L280 TraceCheckUtils]: 9: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,310 INFO L280 TraceCheckUtils]: 10: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~3); {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,311 INFO L280 TraceCheckUtils]: 11: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,312 INFO L280 TraceCheckUtils]: 12: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,313 INFO L280 TraceCheckUtils]: 13: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,314 INFO L280 TraceCheckUtils]: 14: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,315 INFO L280 TraceCheckUtils]: 15: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,316 INFO L280 TraceCheckUtils]: 16: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {608#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,317 INFO L280 TraceCheckUtils]: 17: Hoare triple {608#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {609#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:18,319 INFO L280 TraceCheckUtils]: 18: Hoare triple {609#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret57 && __utac_acc__Specification2_spec__2_#t~ret57 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; {610#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} is VALID [2020-07-28 18:59:18,320 INFO L280 TraceCheckUtils]: 19: Hoare triple {610#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {607#false} is VALID [2020-07-28 18:59:18,321 INFO L280 TraceCheckUtils]: 20: Hoare triple {607#false} __utac_acc__Specification2_spec__2_#t~ret58 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret58 && __utac_acc__Specification2_spec__2_#t~ret58 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; {607#false} is VALID [2020-07-28 18:59:18,321 INFO L280 TraceCheckUtils]: 21: Hoare triple {607#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {607#false} is VALID [2020-07-28 18:59:18,322 INFO L280 TraceCheckUtils]: 22: Hoare triple {607#false} assume 0 != ~methAndRunningLastTime~0; {607#false} is VALID [2020-07-28 18:59:18,322 INFO L280 TraceCheckUtils]: 23: Hoare triple {607#false} assume !false; {607#false} is VALID [2020-07-28 18:59:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:18,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838332729] [2020-07-28 18:59:18,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:18,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:18,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674814568] [2020-07-28 18:59:18,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:18,326 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:18,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:18,367 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:18,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:18,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:18,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:18,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:18,368 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-07-28 18:59:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,892 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-07-28 18:59:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:18,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 172 transitions. [2020-07-28 18:59:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 172 transitions. [2020-07-28 18:59:18,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 172 transitions. [2020-07-28 18:59:19,112 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,116 INFO L225 Difference]: With dead ends: 112 [2020-07-28 18:59:19,116 INFO L226 Difference]: Without dead ends: 90 [2020-07-28 18:59:19,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:19,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-28 18:59:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-07-28 18:59:19,152 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:19,152 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand 46 states. [2020-07-28 18:59:19,152 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 46 states. [2020-07-28 18:59:19,152 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 46 states. [2020-07-28 18:59:19,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,157 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2020-07-28 18:59:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2020-07-28 18:59:19,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,158 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,158 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 90 states. [2020-07-28 18:59:19,158 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 90 states. [2020-07-28 18:59:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,163 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2020-07-28 18:59:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2020-07-28 18:59:19,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,164 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:19,164 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-07-28 18:59:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-07-28 18:59:19,167 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-07-28 18:59:19,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:19,167 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-07-28 18:59:19,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-07-28 18:59:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:19,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:19,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:19,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:19,169 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:19,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2020-07-28 18:59:19,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:19,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874459423] [2020-07-28 18:59:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:19,266 INFO L280 TraceCheckUtils]: 0: Hoare triple {1016#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,266 INFO L280 TraceCheckUtils]: 1: Hoare triple {1018#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,267 INFO L280 TraceCheckUtils]: 2: Hoare triple {1018#(= 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; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,268 INFO L280 TraceCheckUtils]: 3: Hoare triple {1018#(= 0 ~pumpRunning~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,269 INFO L280 TraceCheckUtils]: 4: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,269 INFO L280 TraceCheckUtils]: 5: Hoare triple {1018#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,270 INFO L280 TraceCheckUtils]: 6: Hoare triple {1018#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,271 INFO L280 TraceCheckUtils]: 7: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume !false; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,271 INFO L280 TraceCheckUtils]: 8: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,272 INFO L280 TraceCheckUtils]: 9: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,273 INFO L280 TraceCheckUtils]: 10: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,273 INFO L280 TraceCheckUtils]: 11: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,274 INFO L280 TraceCheckUtils]: 12: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,275 INFO L280 TraceCheckUtils]: 13: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,276 INFO L280 TraceCheckUtils]: 14: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,276 INFO L280 TraceCheckUtils]: 15: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,277 INFO L280 TraceCheckUtils]: 16: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,278 INFO L280 TraceCheckUtils]: 17: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,278 INFO L280 TraceCheckUtils]: 18: Hoare triple {1018#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,279 INFO L280 TraceCheckUtils]: 19: Hoare triple {1018#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret57 && __utac_acc__Specification2_spec__2_#t~ret57 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; {1018#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:19,280 INFO L280 TraceCheckUtils]: 20: Hoare triple {1018#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1019#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:19,281 INFO L280 TraceCheckUtils]: 21: Hoare triple {1019#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret58 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret58 && __utac_acc__Specification2_spec__2_#t~ret58 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; {1020#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:19,282 INFO L280 TraceCheckUtils]: 22: Hoare triple {1020#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1017#false} is VALID [2020-07-28 18:59:19,282 INFO L280 TraceCheckUtils]: 23: Hoare triple {1017#false} assume 0 != ~methAndRunningLastTime~0; {1017#false} is VALID [2020-07-28 18:59:19,282 INFO L280 TraceCheckUtils]: 24: Hoare triple {1017#false} assume !false; {1017#false} is VALID [2020-07-28 18:59:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:19,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874459423] [2020-07-28 18:59:19,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:19,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:19,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962832739] [2020-07-28 18:59:19,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:19,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:19,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:19,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:19,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:19,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:19,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:19,320 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-07-28 18:59:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,715 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-07-28 18:59:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:19,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:19,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2020-07-28 18:59:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2020-07-28 18:59:19,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 115 transitions. [2020-07-28 18:59:19,856 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 115 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,857 INFO L225 Difference]: With dead ends: 132 [2020-07-28 18:59:19,857 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:19,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:19,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:19,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:19,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:19,860 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:19,860 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,861 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:19,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,861 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:19,861 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,862 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:19,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,862 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:19,862 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:19,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-07-28 18:59:19,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:19,863 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:19,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:19,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:19,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:20,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,087 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-07-28 18:59:20,087 INFO L268 CegarLoopResult]: For program point L465-2(lines 499 505) no Hoare annotation was computed. [2020-07-28 18:59:20,087 INFO L268 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-07-28 18:59:20,087 INFO L264 CegarLoopResult]: At program point L449-1(lines 449 455) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,087 INFO L268 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-07-28 18:59:20,088 INFO L268 CegarLoopResult]: For program point L763-3(lines 763 767) no Hoare annotation was computed. [2020-07-28 18:59:20,088 INFO L268 CegarLoopResult]: For program point L763-6(lines 763 767) no Hoare annotation was computed. [2020-07-28 18:59:20,088 INFO L264 CegarLoopResult]: At program point L499(lines 498 517) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,088 INFO L268 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2020-07-28 18:59:20,088 INFO L264 CegarLoopResult]: At program point L499-2(lines 498 517) the Hoare annotation is: false [2020-07-28 18:59:20,088 INFO L264 CegarLoopResult]: At program point L499-3(lines 498 517) the Hoare annotation is: false [2020-07-28 18:59:20,089 INFO L264 CegarLoopResult]: At program point L715(lines 711 717) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,089 INFO L268 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2020-07-28 18:59:20,089 INFO L264 CegarLoopResult]: At program point L634-1(lines 1 870) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,089 INFO L264 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: false [2020-07-28 18:59:20,089 INFO L268 CegarLoopResult]: For program point L634-2(lines 634 651) no Hoare annotation was computed. [2020-07-28 18:59:20,089 INFO L264 CegarLoopResult]: At program point L634-3(lines 1 870) the Hoare annotation is: false [2020-07-28 18:59:20,089 INFO L268 CegarLoopResult]: For program point L634-4(lines 634 651) no Hoare annotation was computed. [2020-07-28 18:59:20,089 INFO L264 CegarLoopResult]: At program point L634-5(lines 1 870) the Hoare annotation is: false [2020-07-28 18:59:20,090 INFO L264 CegarLoopResult]: At program point L800(lines 795 803) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,090 INFO L264 CegarLoopResult]: At program point L800-1(lines 795 803) the Hoare annotation is: false [2020-07-28 18:59:20,090 INFO L264 CegarLoopResult]: At program point L800-2(lines 795 803) the Hoare annotation is: false [2020-07-28 18:59:20,090 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-07-28 18:59:20,090 INFO L271 CegarLoopResult]: At program point L751(lines 732 754) the Hoare annotation is: true [2020-07-28 18:59:20,090 INFO L264 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L264 CegarLoopResult]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point L671-1(lines 499 505) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L268 CegarLoopResult]: For program point L638-2(lines 638 648) no Hoare annotation was computed. [2020-07-28 18:59:20,091 INFO L264 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L638-4(lines 638 648) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L264 CegarLoopResult]: At program point L506-1(lines 506 512) the Hoare annotation is: false [2020-07-28 18:59:20,092 INFO L264 CegarLoopResult]: At program point L506-2(lines 506 512) the Hoare annotation is: false [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-07-28 18:59:20,092 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 645) no Hoare annotation was computed. [2020-07-28 18:59:20,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,093 INFO L268 CegarLoopResult]: For program point L639-4(lines 639 645) no Hoare annotation was computed. [2020-07-28 18:59:20,093 INFO L264 CegarLoopResult]: At program point L623(lines 618 625) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,093 INFO L264 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: false [2020-07-28 18:59:20,093 INFO L268 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2020-07-28 18:59:20,093 INFO L264 CegarLoopResult]: At program point L576(lines 571 579) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,093 INFO L264 CegarLoopResult]: At program point L576-1(lines 571 579) the Hoare annotation is: false [2020-07-28 18:59:20,093 INFO L264 CegarLoopResult]: At program point L576-2(lines 571 579) the Hoare annotation is: false [2020-07-28 18:59:20,094 INFO L268 CegarLoopResult]: For program point L775(lines 775 779) no Hoare annotation was computed. [2020-07-28 18:59:20,094 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-28 18:59:20,094 INFO L271 CegarLoopResult]: At program point L742-1(lines 742 749) the Hoare annotation is: true [2020-07-28 18:59:20,094 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,094 INFO L264 CegarLoopResult]: At program point L859(lines 1 870) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:20,094 INFO L268 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2020-07-28 18:59:20,095 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-28 18:59:20,099 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:20,099 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:20,101 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:20,101 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:20,101 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:20,102 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:20,103 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 18:59:20,103 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:20,103 WARN L170 areAnnotationChecker]: L499-1 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L499-1 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L499-1 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 18:59:20,104 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L634-2 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L634-2 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L634-2 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:59:20,105 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L638-2 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L638-2 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L638-2 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-28 18:59:20,106 WARN L170 areAnnotationChecker]: L465-2 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L465-2 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 18:59:20,107 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 18:59:20,109 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:20,109 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:20,109 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 18:59:20,109 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L634 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L763-6 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L763-6 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L634 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L634 has no Hoare annotation [2020-07-28 18:59:20,110 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L634-4 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L634-4 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L634-4 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L638-4 has no Hoare annotation [2020-07-28 18:59:20,111 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L638-4 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L638-4 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L639-4 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L639-4 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:20,112 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:20,112 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:20 BoogieIcfgContainer [2020-07-28 18:59:20,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:20,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:20,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:20,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:20,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:16" (3/4) ... [2020-07-28 18:59:20,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:20,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:20,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:20,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:20,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:20,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:20,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:20,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:20,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:20,250 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:20,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:20,253 INFO L168 Benchmark]: Toolchain (without parser) took 6210.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 953.5 MB in the beginning and 974.3 MB in the end (delta: -20.8 MB). Peak memory consumption was 196.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:20,253 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:20,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:20,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:20,254 INFO L168 Benchmark]: Boogie Preprocessor took 44.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:20,255 INFO L168 Benchmark]: RCFGBuilder took 1550.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:20,255 INFO L168 Benchmark]: TraceAbstraction took 3681.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 987.8 MB in the beginning and 982.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:20,256 INFO L168 Benchmark]: Witness Printer took 120.28 ms. Allocated memory is still 1.2 GB. Free memory was 982.1 MB in the beginning and 974.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:20,258 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 0.30 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 692.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.14 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 44.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1550.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3681.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 987.8 MB in the beginning and 982.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. * Witness Printer took 120.28 ms. Allocated memory is still 1.2 GB. Free memory was 982.1 MB in the beginning and 974.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...