./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product29.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_spec3_product29.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 6a7af561659176054c5750cdb899e68779816fa6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:30,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:30,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:30,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:30,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:30,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:30,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:30,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:30,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:30,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:30,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:30,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:30,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:30,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:30,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:30,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:30,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:30,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:30,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:30,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:30,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:30,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:30,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:30,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:30,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:30,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:30,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:30,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:30,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:30,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:30,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:30,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:30,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:30,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:30,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:30,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:30,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:30,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:30,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:30,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:30,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:30,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:30,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:30,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:30,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:30,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:30,752 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:30,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:30,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:30,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:30,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:30,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:30,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:30,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:30,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:30,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:30,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:30,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:30,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:30,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:30,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:30,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:30,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:30,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:30,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:30,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:30,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:30,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:30,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:30,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:30,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:30,758 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 -> 6a7af561659176054c5750cdb899e68779816fa6 [2020-07-28 19:01:31,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:31,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:31,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:31,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:31,098 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:31,098 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2020-07-28 19:01:31,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252899501/81021f86286c468593a281d644f10ea5/FLAG75426de83 [2020-07-28 19:01:31,733 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:31,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2020-07-28 19:01:31,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252899501/81021f86286c468593a281d644f10ea5/FLAG75426de83 [2020-07-28 19:01:32,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252899501/81021f86286c468593a281d644f10ea5 [2020-07-28 19:01:32,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:32,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:32,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:32,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:32,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:32,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a05b3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32, skipping insertion in model container [2020-07-28 19:01:32,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:32,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:32,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:32,585 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:32,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:32,717 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:32,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32 WrapperNode [2020-07-28 19:01:32,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:32,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:32,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:32,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:32,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:32,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:32,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:32,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:32,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:32,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:32,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:32,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:32,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:34,741 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:34,742 INFO L295 CfgBuilder]: Removed 162 assume(true) statements. [2020-07-28 19:01:34,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:34 BoogieIcfgContainer [2020-07-28 19:01:34,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:34,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:34,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:34,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:34,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:32" (1/3) ... [2020-07-28 19:01:34,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608f539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:34, skipping insertion in model container [2020-07-28 19:01:34,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32" (2/3) ... [2020-07-28 19:01:34,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608f539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:34, skipping insertion in model container [2020-07-28 19:01:34,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:34" (3/3) ... [2020-07-28 19:01:34,759 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2020-07-28 19:01:34,771 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:34,779 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:34,795 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:34,822 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:34,823 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:34,823 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:34,823 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:34,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:34,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:34,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:34,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-07-28 19:01:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:34,855 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:34,856 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 19:01:34,857 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:34,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1669144853, now seen corresponding path program 1 times [2020-07-28 19:01:34,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:34,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749662599] [2020-07-28 19:01:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:35,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {114#true} is VALID [2020-07-28 19:01:35,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {114#true} is VALID [2020-07-28 19:01:35,245 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {114#true} is VALID [2020-07-28 19:01:35,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {114#true} is VALID [2020-07-28 19:01:35,246 INFO L280 TraceCheckUtils]: 4: Hoare triple {114#true} assume 0 != main_~tmp~4; {114#true} is VALID [2020-07-28 19:01:35,247 INFO L280 TraceCheckUtils]: 5: Hoare triple {114#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {114#true} is VALID [2020-07-28 19:01:35,248 INFO L280 TraceCheckUtils]: 6: Hoare triple {114#true} assume false; {115#false} is VALID [2020-07-28 19:01:35,249 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {115#false} is VALID [2020-07-28 19:01:35,249 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} assume !(0 != ~pumpRunning~0); {115#false} is VALID [2020-07-28 19:01:35,250 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume !(0 != ~systemActive~0); {115#false} is VALID [2020-07-28 19:01:35,250 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {115#false} is VALID [2020-07-28 19:01:35,251 INFO L280 TraceCheckUtils]: 11: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {115#false} is VALID [2020-07-28 19:01:35,251 INFO L280 TraceCheckUtils]: 12: Hoare triple {115#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {115#false} is VALID [2020-07-28 19:01:35,252 INFO L280 TraceCheckUtils]: 13: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {115#false} is VALID [2020-07-28 19:01:35,252 INFO L280 TraceCheckUtils]: 14: Hoare triple {115#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {115#false} is VALID [2020-07-28 19:01:35,253 INFO L280 TraceCheckUtils]: 15: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {115#false} is VALID [2020-07-28 19:01:35,253 INFO L280 TraceCheckUtils]: 16: Hoare triple {115#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {115#false} is VALID [2020-07-28 19:01:35,254 INFO L280 TraceCheckUtils]: 17: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 19:01:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:35,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749662599] [2020-07-28 19:01:35,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:35,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:35,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970290552] [2020-07-28 19:01:35,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:35,271 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:35,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:35,326 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 19:01:35,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:35,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:35,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:35,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:35,340 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-07-28 19:01:35,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:35,624 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2020-07-28 19:01:35,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:35,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:35,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 323 transitions. [2020-07-28 19:01:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 323 transitions. [2020-07-28 19:01:35,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 323 transitions. [2020-07-28 19:01:36,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 323 edges. 323 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:36,077 INFO L225 Difference]: With dead ends: 216 [2020-07-28 19:01:36,077 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 19:01:36,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 19:01:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-28 19:01:36,174 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:36,175 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:36,175 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:36,176 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:36,184 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:36,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:36,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:36,187 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:36,187 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:36,195 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:36,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:36,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:36,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:36,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-28 19:01:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2020-07-28 19:01:36,206 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2020-07-28 19:01:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:36,206 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2020-07-28 19:01:36,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:36,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:36,209 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 19:01:36,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:36,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1714791690, now seen corresponding path program 1 times [2020-07-28 19:01:36,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:36,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876355544] [2020-07-28 19:01:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:36,415 INFO L280 TraceCheckUtils]: 0: Hoare triple {785#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {785#true} is VALID [2020-07-28 19:01:36,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {785#true} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {785#true} is VALID [2020-07-28 19:01:36,416 INFO L280 TraceCheckUtils]: 2: Hoare triple {785#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {785#true} is VALID [2020-07-28 19:01:36,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {785#true} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {785#true} is VALID [2020-07-28 19:01:36,417 INFO L280 TraceCheckUtils]: 4: Hoare triple {785#true} assume 0 != main_~tmp~4; {785#true} is VALID [2020-07-28 19:01:36,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {785#true} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {787#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:36,420 INFO L280 TraceCheckUtils]: 6: Hoare triple {787#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {787#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:36,421 INFO L280 TraceCheckUtils]: 7: Hoare triple {787#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {786#false} is VALID [2020-07-28 19:01:36,421 INFO L280 TraceCheckUtils]: 8: Hoare triple {786#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {786#false} is VALID [2020-07-28 19:01:36,421 INFO L280 TraceCheckUtils]: 9: Hoare triple {786#false} assume !(0 != ~pumpRunning~0); {786#false} is VALID [2020-07-28 19:01:36,422 INFO L280 TraceCheckUtils]: 10: Hoare triple {786#false} assume !(0 != ~systemActive~0); {786#false} is VALID [2020-07-28 19:01:36,422 INFO L280 TraceCheckUtils]: 11: Hoare triple {786#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {786#false} is VALID [2020-07-28 19:01:36,423 INFO L280 TraceCheckUtils]: 12: Hoare triple {786#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {786#false} is VALID [2020-07-28 19:01:36,423 INFO L280 TraceCheckUtils]: 13: Hoare triple {786#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {786#false} is VALID [2020-07-28 19:01:36,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {786#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {786#false} is VALID [2020-07-28 19:01:36,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {786#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {786#false} is VALID [2020-07-28 19:01:36,424 INFO L280 TraceCheckUtils]: 16: Hoare triple {786#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {786#false} is VALID [2020-07-28 19:01:36,424 INFO L280 TraceCheckUtils]: 17: Hoare triple {786#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {786#false} is VALID [2020-07-28 19:01:36,424 INFO L280 TraceCheckUtils]: 18: Hoare triple {786#false} assume !false; {786#false} is VALID [2020-07-28 19:01:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:36,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876355544] [2020-07-28 19:01:36,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:36,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:36,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145780299] [2020-07-28 19:01:36,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:36,430 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:36,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:36,464 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 19:01:36,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:36,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:36,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:36,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:36,466 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2020-07-28 19:01:36,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:36,689 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:36,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:36,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-28 19:01:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-28 19:01:36,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 153 transitions. [2020-07-28 19:01:36,865 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:36,867 INFO L225 Difference]: With dead ends: 107 [2020-07-28 19:01:36,867 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 19:01:36,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:36,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 19:01:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 19:01:36,993 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:36,993 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:36,993 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:36,993 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:36,996 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:01:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:36,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:36,997 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:36,998 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:36,998 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,003 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:01:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:37,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,005 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:37,005 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 19:01:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-07-28 19:01:37,008 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-07-28 19:01:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:37,008 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-07-28 19:01:37,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:37,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:37,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:37,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:37,010 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:37,011 INFO L82 PathProgramCache]: Analyzing trace with hash -458606052, now seen corresponding path program 1 times [2020-07-28 19:01:37,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:37,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405735524] [2020-07-28 19:01:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:37,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,150 INFO L280 TraceCheckUtils]: 2: Hoare triple {1094#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,151 INFO L280 TraceCheckUtils]: 3: Hoare triple {1094#(= 1 ~systemActive~0)} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {1094#(= 1 ~systemActive~0)} assume 0 != main_~tmp~4; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,153 INFO L280 TraceCheckUtils]: 5: Hoare triple {1094#(= 1 ~systemActive~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,153 INFO L280 TraceCheckUtils]: 6: Hoare triple {1094#(= 1 ~systemActive~0)} assume !false; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,154 INFO L280 TraceCheckUtils]: 7: Hoare triple {1094#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,155 INFO L280 TraceCheckUtils]: 8: Hoare triple {1094#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,156 INFO L280 TraceCheckUtils]: 9: Hoare triple {1094#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~9); {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,156 INFO L280 TraceCheckUtils]: 10: Hoare triple {1094#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,157 INFO L280 TraceCheckUtils]: 11: Hoare triple {1094#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~2); {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,158 INFO L280 TraceCheckUtils]: 12: Hoare triple {1094#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,159 INFO L280 TraceCheckUtils]: 13: Hoare triple {1094#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,159 INFO L280 TraceCheckUtils]: 14: Hoare triple {1094#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1094#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,160 INFO L280 TraceCheckUtils]: 15: Hoare triple {1094#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1093#false} is VALID [2020-07-28 19:01:37,161 INFO L280 TraceCheckUtils]: 16: Hoare triple {1093#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1093#false} is VALID [2020-07-28 19:01:37,161 INFO L280 TraceCheckUtils]: 17: Hoare triple {1093#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {1093#false} is VALID [2020-07-28 19:01:37,161 INFO L280 TraceCheckUtils]: 18: Hoare triple {1093#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1093#false} is VALID [2020-07-28 19:01:37,162 INFO L280 TraceCheckUtils]: 19: Hoare triple {1093#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1093#false} is VALID [2020-07-28 19:01:37,162 INFO L280 TraceCheckUtils]: 20: Hoare triple {1093#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1093#false} is VALID [2020-07-28 19:01:37,163 INFO L280 TraceCheckUtils]: 21: Hoare triple {1093#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1093#false} is VALID [2020-07-28 19:01:37,163 INFO L280 TraceCheckUtils]: 22: Hoare triple {1093#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1093#false} is VALID [2020-07-28 19:01:37,163 INFO L280 TraceCheckUtils]: 23: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2020-07-28 19:01:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:37,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405735524] [2020-07-28 19:01:37,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:37,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:37,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169937720] [2020-07-28 19:01:37,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:37,166 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:37,167 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:37,201 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:37,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:37,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:37,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:37,203 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-07-28 19:01:37,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,383 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2020-07-28 19:01:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:37,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:37,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2020-07-28 19:01:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2020-07-28 19:01:37,395 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 122 transitions. [2020-07-28 19:01:37,551 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:37,552 INFO L225 Difference]: With dead ends: 84 [2020-07-28 19:01:37,552 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 19:01:37,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:37,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 19:01:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 19:01:37,601 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:37,601 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,601 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,602 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,605 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2020-07-28 19:01:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:37,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,606 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,607 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,609 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2020-07-28 19:01:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:37,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:37,610 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 19:01:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-07-28 19:01:37,613 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-07-28 19:01:37,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:37,613 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-07-28 19:01:37,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:37,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:37,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:37,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:37,615 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:37,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:37,616 INFO L82 PathProgramCache]: Analyzing trace with hash 708469066, now seen corresponding path program 1 times [2020-07-28 19:01:37,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:37,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720600461] [2020-07-28 19:01:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:37,702 INFO L280 TraceCheckUtils]: 0: Hoare triple {1364#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,703 INFO L280 TraceCheckUtils]: 1: Hoare triple {1366#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,704 INFO L280 TraceCheckUtils]: 2: Hoare triple {1366#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,705 INFO L280 TraceCheckUtils]: 3: Hoare triple {1366#(= 1 ~waterLevel~0)} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {1366#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,709 INFO L280 TraceCheckUtils]: 5: Hoare triple {1366#(= 1 ~waterLevel~0)} havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,710 INFO L280 TraceCheckUtils]: 6: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !false; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,713 INFO L280 TraceCheckUtils]: 7: Hoare triple {1366#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,713 INFO L280 TraceCheckUtils]: 8: Hoare triple {1366#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,714 INFO L280 TraceCheckUtils]: 9: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~9); {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {1366#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {1366#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,717 INFO L280 TraceCheckUtils]: 13: Hoare triple {1366#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,717 INFO L280 TraceCheckUtils]: 14: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,718 INFO L280 TraceCheckUtils]: 15: Hoare triple {1366#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,719 INFO L280 TraceCheckUtils]: 16: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,719 INFO L280 TraceCheckUtils]: 17: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,720 INFO L280 TraceCheckUtils]: 18: Hoare triple {1366#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,721 INFO L280 TraceCheckUtils]: 19: Hoare triple {1366#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {1366#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:37,722 INFO L280 TraceCheckUtils]: 20: Hoare triple {1366#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1367#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:37,723 INFO L280 TraceCheckUtils]: 21: Hoare triple {1367#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1368#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:01:37,724 INFO L280 TraceCheckUtils]: 22: Hoare triple {1368#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1365#false} is VALID [2020-07-28 19:01:37,724 INFO L280 TraceCheckUtils]: 23: Hoare triple {1365#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1365#false} is VALID [2020-07-28 19:01:37,724 INFO L280 TraceCheckUtils]: 24: Hoare triple {1365#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1365#false} is VALID [2020-07-28 19:01:37,725 INFO L280 TraceCheckUtils]: 25: Hoare triple {1365#false} assume !false; {1365#false} is VALID [2020-07-28 19:01:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:37,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720600461] [2020-07-28 19:01:37,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:37,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:37,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109595614] [2020-07-28 19:01:37,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:01:37,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:37,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:37,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:37,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:37,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:37,763 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-07-28 19:01:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:38,654 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2020-07-28 19:01:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:38,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:01:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 360 transitions. [2020-07-28 19:01:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 360 transitions. [2020-07-28 19:01:38,667 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 360 transitions. [2020-07-28 19:01:39,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:39,141 INFO L225 Difference]: With dead ends: 242 [2020-07-28 19:01:39,141 INFO L226 Difference]: Without dead ends: 203 [2020-07-28 19:01:39,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:39,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-28 19:01:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2020-07-28 19:01:39,243 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:39,243 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:39,243 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:39,243 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:39,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:39,252 INFO L93 Difference]: Finished difference Result 203 states and 296 transitions. [2020-07-28 19:01:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2020-07-28 19:01:39,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:39,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:39,254 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 203 states. [2020-07-28 19:01:39,254 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 203 states. [2020-07-28 19:01:39,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:39,263 INFO L93 Difference]: Finished difference Result 203 states and 296 transitions. [2020-07-28 19:01:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2020-07-28 19:01:39,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:39,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:39,265 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:39,265 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:01:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2020-07-28 19:01:39,269 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2020-07-28 19:01:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:39,270 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2020-07-28 19:01:39,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-07-28 19:01:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:39,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:39,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:39,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:39,272 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash 99432520, now seen corresponding path program 1 times [2020-07-28 19:01:39,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:39,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527693157] [2020-07-28 19:01:39,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:39,331 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:39,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:39,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:39,426 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:39,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:39,604 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:39,605 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:39,605 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-28 19:01:39,605 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:01:39,605 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:39,606 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:39,606 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-28 19:01:39,606 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-28 19:01:39,606 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:39,606 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-28 19:01:39,607 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:39,608 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-28 19:01:39,608 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-28 19:01:39,608 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-28 19:01:39,608 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 19:01:39,608 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L693-2 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L693-2 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L751-1 has no Hoare annotation [2020-07-28 19:01:39,609 WARN L170 areAnnotationChecker]: L751-1 has no Hoare annotation [2020-07-28 19:01:39,610 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:01:39,610 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-28 19:01:39,610 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-28 19:01:39,611 WARN L170 areAnnotationChecker]: L901-1 has no Hoare annotation [2020-07-28 19:01:39,611 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-28 19:01:39,611 WARN L170 areAnnotationChecker]: L725-3 has no Hoare annotation [2020-07-28 19:01:39,611 WARN L170 areAnnotationChecker]: L725-3 has no Hoare annotation [2020-07-28 19:01:39,611 WARN L170 areAnnotationChecker]: L126-3 has no Hoare annotation [2020-07-28 19:01:39,612 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2020-07-28 19:01:39,612 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2020-07-28 19:01:39,612 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-28 19:01:39,612 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 19:01:39,612 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L911-1 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L755-1 has no Hoare annotation [2020-07-28 19:01:39,613 WARN L170 areAnnotationChecker]: L755-1 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L870-9 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L870-9 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L158-1 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L921 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L921 has no Hoare annotation [2020-07-28 19:01:39,614 WARN L170 areAnnotationChecker]: L725-2 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L725-2 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L870-11 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:39,615 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L927-2 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L927-2 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L927 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L927 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:01:39,616 WARN L170 areAnnotationChecker]: L876-3 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L821-1 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:39,617 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L870-6 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L870-6 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L729-3 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L729-3 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:01:39,618 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:01:39,619 WARN L170 areAnnotationChecker]: L870-8 has no Hoare annotation [2020-07-28 19:01:39,620 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:01:39,620 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:01:39,620 WARN L170 areAnnotationChecker]: L580-1 has no Hoare annotation [2020-07-28 19:01:39,620 WARN L170 areAnnotationChecker]: L580-1 has no Hoare annotation [2020-07-28 19:01:39,620 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L725-1 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L725-1 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L876-2 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L89-6 has no Hoare annotation [2020-07-28 19:01:39,621 WARN L170 areAnnotationChecker]: L89-6 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L693-3 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L693-3 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:39,622 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L729-2 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L729-2 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L751-2 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L751-2 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:01:39,623 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L870-3 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L870-3 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L126-4 has no Hoare annotation [2020-07-28 19:01:39,624 WARN L170 areAnnotationChecker]: L725-5 has no Hoare annotation [2020-07-28 19:01:39,625 WARN L170 areAnnotationChecker]: L725-5 has no Hoare annotation [2020-07-28 19:01:39,625 WARN L170 areAnnotationChecker]: L126-5 has no Hoare annotation [2020-07-28 19:01:39,625 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-28 19:01:39,625 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-28 19:01:39,625 WARN L170 areAnnotationChecker]: L870-5 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L812-2 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L167-5 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:39,626 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:39,627 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:01:39,627 WARN L170 areAnnotationChecker]: L876-1 has no Hoare annotation [2020-07-28 19:01:39,627 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:01:39,627 WARN L170 areAnnotationChecker]: L755-2 has no Hoare annotation [2020-07-28 19:01:39,627 WARN L170 areAnnotationChecker]: L755-2 has no Hoare annotation [2020-07-28 19:01:39,628 WARN L170 areAnnotationChecker]: L870-15 has no Hoare annotation [2020-07-28 19:01:39,628 WARN L170 areAnnotationChecker]: L870-15 has no Hoare annotation [2020-07-28 19:01:39,628 WARN L170 areAnnotationChecker]: L59-5 has no Hoare annotation [2020-07-28 19:01:39,628 WARN L170 areAnnotationChecker]: L158-2 has no Hoare annotation [2020-07-28 19:01:39,628 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:39,629 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:39,629 WARN L170 areAnnotationChecker]: L729-1 has no Hoare annotation [2020-07-28 19:01:39,629 WARN L170 areAnnotationChecker]: L729-1 has no Hoare annotation [2020-07-28 19:01:39,629 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:39,629 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:39,630 WARN L170 areAnnotationChecker]: L725-4 has no Hoare annotation [2020-07-28 19:01:39,630 WARN L170 areAnnotationChecker]: L725-4 has no Hoare annotation [2020-07-28 19:01:39,630 WARN L170 areAnnotationChecker]: L870-17 has no Hoare annotation [2020-07-28 19:01:39,630 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:39,630 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:39,631 WARN L170 areAnnotationChecker]: L870-2 has no Hoare annotation [2020-07-28 19:01:39,631 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-28 19:01:39,631 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-28 19:01:39,631 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:01:39,631 WARN L170 areAnnotationChecker]: L876-5 has no Hoare annotation [2020-07-28 19:01:39,632 WARN L170 areAnnotationChecker]: L821-2 has no Hoare annotation [2020-07-28 19:01:39,632 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:01:39,632 WARN L170 areAnnotationChecker]: L870-12 has no Hoare annotation [2020-07-28 19:01:39,632 WARN L170 areAnnotationChecker]: L870-12 has no Hoare annotation [2020-07-28 19:01:39,633 WARN L170 areAnnotationChecker]: L729-5 has no Hoare annotation [2020-07-28 19:01:39,633 WARN L170 areAnnotationChecker]: L729-5 has no Hoare annotation [2020-07-28 19:01:39,633 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:39,633 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:39,633 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:01:39,634 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:01:39,634 WARN L170 areAnnotationChecker]: L870-14 has no Hoare annotation [2020-07-28 19:01:39,634 WARN L170 areAnnotationChecker]: L580-2 has no Hoare annotation [2020-07-28 19:01:39,634 WARN L170 areAnnotationChecker]: L580-2 has no Hoare annotation [2020-07-28 19:01:39,634 WARN L170 areAnnotationChecker]: L876-4 has no Hoare annotation [2020-07-28 19:01:39,635 WARN L170 areAnnotationChecker]: L729-4 has no Hoare annotation [2020-07-28 19:01:39,635 WARN L170 areAnnotationChecker]: L729-4 has no Hoare annotation [2020-07-28 19:01:39,635 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:39,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:39 BoogieIcfgContainer [2020-07-28 19:01:39,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:39,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:39,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:39,642 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:39,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:34" (3/4) ... [2020-07-28 19:01:39,645 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:39,810 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:39,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:39,813 INFO L168 Benchmark]: Toolchain (without parser) took 7784.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 961.6 MB in the beginning and 1.2 GB in the end (delta: -276.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,816 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:39,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:39,818 INFO L168 Benchmark]: Boogie Preprocessor took 68.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,818 INFO L168 Benchmark]: RCFGBuilder took 1859.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.4 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,819 INFO L168 Benchmark]: TraceAbstraction took 4891.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 934.4 MB in the beginning and 1.3 GB in the end (delta: -331.0 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,819 INFO L168 Benchmark]: Witness Printer took 168.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:39,821 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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 686.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.67 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 68.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1859.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.4 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4891.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 934.4 MB in the beginning and 1.3 GB in the end (delta: -331.0 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. * Witness Printer took 168.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 580]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L341] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L661] int retValue_acc ; [L662] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] int splverifierCounter ; [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L886] int tmp___2 ; [L889] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L891] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] tmp = __VERIFIER_nondet_int() [L901] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L101] COND TRUE waterLevel < 2 [L102] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] tmp___0 = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] tmp___2 = __VERIFIER_nondet_int() [L921] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) [L748] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] COND FALSE !(\read(pumpRunning)) [L722] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L817] int retValue_acc ; [L820] retValue_acc = pumpRunning [L821] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 400 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3629 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 incorrect! Received shutdown request...