./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d733dbb906adb6defb82ddd5acbd52a79b17963e ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:01:27,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:27,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:27,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:27,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:27,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:27,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:27,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:27,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:27,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:27,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:27,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:27,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:27,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:27,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:27,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:27,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:27,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:27,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:27,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:27,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:27,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:27,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:27,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:27,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:27,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:27,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:27,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:27,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:27,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:27,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:27,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:27,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:27,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:27,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:27,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:27,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:27,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:27,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:27,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:27,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:27,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:01:27,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:27,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:27,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:27,635 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:01:27,635 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:01:27,635 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:01:27,635 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:01:27,636 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:01:27,636 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:01:27,636 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:01:27,636 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:01:27,636 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:01:27,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:01:27,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:01:27,637 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:01:27,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:27,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:27,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:27,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:27,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:27,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:27,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:27,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:27,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:27,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:27,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:27,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:27,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:27,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:01:27,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:01:27,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:27,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:27,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:27,650 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:01:27,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:27,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:27,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:01:27,651 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan 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 -> Taipan 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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2019-11-26 03:01:27,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:27,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:27,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:27,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:27,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:27,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-26 03:01:27,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/data/b8f1d32d8/73b9c5431241433a80875ef9335c20a4/FLAGf560ddde0 [2019-11-26 03:01:28,406 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:28,407 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-26 03:01:28,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/data/b8f1d32d8/73b9c5431241433a80875ef9335c20a4/FLAGf560ddde0 [2019-11-26 03:01:28,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/data/b8f1d32d8/73b9c5431241433a80875ef9335c20a4 [2019-11-26 03:01:28,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:28,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:28,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:28,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:28,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:28,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:28" (1/1) ... [2019-11-26 03:01:28,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651c7ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:28, skipping insertion in model container [2019-11-26 03:01:28,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:28" (1/1) ... [2019-11-26 03:01:28,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:28,741 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:29,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:29,108 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:29,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:29,232 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:29,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29 WrapperNode [2019-11-26 03:01:29,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:29,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:29,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:29,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:29,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:29,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:29,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:29,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:29,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... [2019-11-26 03:01:29,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:29,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:29,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:29,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:29,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/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 [2019-11-26 03:01:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:01:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:01:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:31,497 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:31,497 INFO L284 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-26 03:01:31,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:31 BoogieIcfgContainer [2019-11-26 03:01:31,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:31,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:01:31,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:01:31,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:01:31,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:01:28" (1/3) ... [2019-11-26 03:01:31,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c02a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:31, skipping insertion in model container [2019-11-26 03:01:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:29" (2/3) ... [2019-11-26 03:01:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c02a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:31, skipping insertion in model container [2019-11-26 03:01:31,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:31" (3/3) ... [2019-11-26 03:01:31,511 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-11-26 03:01:31,520 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:01:31,526 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:01:31,536 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:01:31,560 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:01:31,561 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:01:31,561 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:01:31,561 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:01:31,562 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:01:31,562 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:01:31,562 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:01:31,562 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:01:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 03:01:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:01:31,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:31,587 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:31,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:31,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:31,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2092711978, now seen corresponding path program 1 times [2019-11-26 03:01:31,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:31,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203936438] [2019-11-26 03:01:31,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:32,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203936438] [2019-11-26 03:01:32,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:32,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:01:32,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641410929] [2019-11-26 03:01:32,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:01:32,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:32,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:01:32,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:01:32,032 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 03:01:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:32,177 INFO L93 Difference]: Finished difference Result 67 states and 94 transitions. [2019-11-26 03:01:32,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 03:01:32,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 03:01:32,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:32,193 INFO L225 Difference]: With dead ends: 67 [2019-11-26 03:01:32,194 INFO L226 Difference]: Without dead ends: 31 [2019-11-26 03:01:32,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:01:32,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-26 03:01:32,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-26 03:01:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 03:01:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 03:01:32,244 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 03:01:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:32,245 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 03:01:32,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:01:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 03:01:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 03:01:32,246 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:32,246 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:32,247 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1600781324, now seen corresponding path program 1 times [2019-11-26 03:01:32,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:32,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124283740] [2019-11-26 03:01:32,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 03:01:32,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124283740] [2019-11-26 03:01:32,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:32,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:01:32,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595603218] [2019-11-26 03:01:32,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:01:32,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:32,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:01:32,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:01:32,437 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-26 03:01:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:32,490 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-26 03:01:32,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:01:32,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 03:01:32,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:32,491 INFO L225 Difference]: With dead ends: 31 [2019-11-26 03:01:32,491 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:01:32,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:01:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:01:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:01:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:01:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:01:32,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 03:01:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:32,493 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:01:32,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:01:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:01:32,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:01:32,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:01:32,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,562 INFO L440 ceAbstractionStarter]: At program point L831(lines 831 835) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,562 INFO L440 ceAbstractionStarter]: At program point L898(lines 898 905) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 03:01:32,562 INFO L447 ceAbstractionStarter]: At program point L898-1(lines 898 905) the Hoare annotation is: true [2019-11-26 03:01:32,562 INFO L440 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,562 INFO L444 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,562 INFO L444 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,563 INFO L444 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,563 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:01:32,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:01:32,563 INFO L440 ceAbstractionStarter]: At program point L920(lines 920 933) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,563 INFO L440 ceAbstractionStarter]: At program point L920-1(lines 1 936) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,563 INFO L440 ceAbstractionStarter]: At program point L920-2(lines 920 933) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,564 INFO L440 ceAbstractionStarter]: At program point L920-3(lines 1 936) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,564 INFO L440 ceAbstractionStarter]: At program point L920-4(lines 920 933) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,564 INFO L440 ceAbstractionStarter]: At program point L920-5(lines 1 936) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,564 INFO L440 ceAbstractionStarter]: At program point L524(lines 523 568) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,564 INFO L444 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-26 03:01:32,564 INFO L444 ceAbstractionStarter]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2019-11-26 03:01:32,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-26 03:01:32,565 INFO L444 ceAbstractionStarter]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2019-11-26 03:01:32,565 INFO L440 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:01:32,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:01:32 BoogieIcfgContainer [2019-11-26 03:01:32,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:01:32,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:32,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:32,590 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:32,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:31" (3/4) ... [2019-11-26 03:01:32,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:01:32,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2019-11-26 03:01:32,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-26 03:01:32,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 03:01:32,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:01:32,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:01:32,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:32,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:32,744 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_35e6c1df-a0fe-4cab-9128-5e92b6459f04/bin/utaipan/witness.graphml [2019-11-26 03:01:32,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:32,746 INFO L168 Benchmark]: Toolchain (without parser) took 4057.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:32,747 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:32,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:32,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:32,748 INFO L168 Benchmark]: Boogie Preprocessor took 46.66 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. [2019-11-26 03:01:32,748 INFO L168 Benchmark]: RCFGBuilder took 2144.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 212.4 MB). Peak memory consumption was 212.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:32,748 INFO L168 Benchmark]: TraceAbstraction took 1090.36 ms. Allocated memory is still 1.2 GB. Free memory was 908.0 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:32,748 INFO L168 Benchmark]: Witness Printer took 154.35 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: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:32,750 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 544.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2144.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 212.4 MB). Peak memory consumption was 212.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1090.36 ms. Allocated memory is still 1.2 GB. Free memory was 908.0 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 154.35 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: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 44 SDslu, 47 SDs, 0 SdLazy, 38 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 44 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 154 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...