./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product49.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_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/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 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 ....................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:52:57,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:57,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:57,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:57,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:57,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:57,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:57,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:57,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:57,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:57,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:57,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:57,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:57,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:57,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:57,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:57,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:57,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:57,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:57,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:57,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:57,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:57,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:57,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:57,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:57,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:57,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:57,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:57,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:57,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:57,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:57,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:57,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:57,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:57,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:57,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:57,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:57,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:57,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:57,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:57,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:57,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:52:57,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:57,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:57,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:57,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:52:57,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:52:57,718 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:52:57,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:52:57,719 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:52:57,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:52:57,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:52:57,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:52:57,720 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:52:57,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:52:57,720 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:52:57,720 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:52:57,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:57,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:57,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:57,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:57,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:57,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:57,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:57,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:57,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:57,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:57,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:57,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:57,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:57,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:52:57,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:52:57,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:57,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:57,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:57,726 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:52:57,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:57,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:57,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:52:57,727 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_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/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 -> 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 [2019-11-26 02:52:57,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:57,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:57,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:57,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:57,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:57,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2019-11-26 02:52:57,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/data/a6d18749b/fc350578678943ca86060f047addba23/FLAG8236a0995 [2019-11-26 02:52:58,404 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:58,405 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2019-11-26 02:52:58,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/data/a6d18749b/fc350578678943ca86060f047addba23/FLAG8236a0995 [2019-11-26 02:52:58,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/data/a6d18749b/fc350578678943ca86060f047addba23 [2019-11-26 02:52:58,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:58,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:58,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:58,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:58,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:58,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:58" (1/1) ... [2019-11-26 02:52:58,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424000bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:58, skipping insertion in model container [2019-11-26 02:52:58,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:58" (1/1) ... [2019-11-26 02:52:58,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:58,775 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:59,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:59,120 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:59,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:59,259 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:59,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59 WrapperNode [2019-11-26 02:52:59,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:59,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:59,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:59,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:59,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:59,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:59,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:59,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:59,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... [2019-11-26 02:52:59,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:59,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:59,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:59,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:59,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/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 02:52:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:52:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:52:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:01,736 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:01,736 INFO L284 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-26 02:53:01,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:01 BoogieIcfgContainer [2019-11-26 02:53:01,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:01,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:01,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:01,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:01,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:52:58" (1/3) ... [2019-11-26 02:53:01,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdceb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:01, skipping insertion in model container [2019-11-26 02:53:01,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:59" (2/3) ... [2019-11-26 02:53:01,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdceb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:01, skipping insertion in model container [2019-11-26 02:53:01,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:01" (3/3) ... [2019-11-26 02:53:01,750 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2019-11-26 02:53:01,758 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:01,764 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:53:01,772 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:53:01,792 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:01,792 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:01,793 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:01,793 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:01,793 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:01,793 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:01,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:01,793 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:53:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:01,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:01,813 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:01,813 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:01,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1420515721, now seen corresponding path program 1 times [2019-11-26 02:53:01,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:01,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390422540] [2019-11-26 02:53:01,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:02,059 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 02:53:02,059 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390422540] [2019-11-26 02:53:02,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:02,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:53:02,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998755978] [2019-11-26 02:53:02,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:53:02,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:02,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:53:02,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:02,082 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-26 02:53:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:02,102 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-26 02:53:02,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:53:02,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:53:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:02,115 INFO L225 Difference]: With dead ends: 44 [2019-11-26 02:53:02,115 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:53:02,120 INFO L630 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 [2019-11-26 02:53:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:53:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:53:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:53:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-26 02:53:02,150 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-26 02:53:02,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:02,150 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-26 02:53:02,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:53:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-26 02:53:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:02,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:02,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:02,152 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:02,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:02,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1892651653, now seen corresponding path program 1 times [2019-11-26 02:53:02,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:02,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833198906] [2019-11-26 02:53:02,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:53:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:53:02,581 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:53:02,581 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:53:02,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:02 BoogieIcfgContainer [2019-11-26 02:53:02,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:02,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:02,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:02,638 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:02,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:01" (3/4) ... [2019-11-26 02:53:02,640 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:53:02,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbf785ea-f1bf-4f94-a347-9ae1f3bf08e9/bin/utaipan/witness.graphml [2019-11-26 02:53:02,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:02,730 INFO L168 Benchmark]: Toolchain (without parser) took 4025.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.4 MB in the beginning and 789.9 MB in the end (delta: 149.5 MB). Peak memory consumption was 272.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,730 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:02,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.62 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,732 INFO L168 Benchmark]: Boogie Preprocessor took 92.00 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 02:53:02,733 INFO L168 Benchmark]: RCFGBuilder took 2309.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.4 MB in the end (delta: 238.9 MB). Peak memory consumption was 238.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,733 INFO L168 Benchmark]: TraceAbstraction took 896.45 ms. Allocated memory is still 1.2 GB. Free memory was 859.4 MB in the beginning and 796.8 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,734 INFO L168 Benchmark]: Witness Printer took 90.34 ms. Allocated memory is still 1.2 GB. Free memory was 796.8 MB in the beginning and 789.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:02,736 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.62 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.00 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 2309.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.4 MB in the end (delta: 238.9 MB). Peak memory consumption was 238.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 896.45 ms. Allocated memory is still 1.2 GB. Free memory was 859.4 MB in the beginning and 796.8 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * Witness Printer took 90.34 ms. Allocated memory is still 1.2 GB. Free memory was 796.8 MB in the beginning and 789.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 950]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L545] int pumpRunning = 0; [L546] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L833] int retValue_acc ; [L836] retValue_acc = 1 [L837] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L743] int splverifierCounter ; [L744] int tmp ; [L745] int tmp___0 ; [L746] int tmp___1 ; [L747] int tmp___2 ; [L750] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE splverifierCounter < 4 [L760] tmp = __VERIFIER_nondet_int() [L762] COND TRUE \read(tmp) [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 [L770] tmp___0 = __VERIFIER_nondet_int() [L772] COND TRUE \read(tmp___0) [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 [L780] tmp___2 = __VERIFIER_nondet_int() [L782] COND TRUE \read(tmp___2) [L552] COND FALSE !(\read(pumpRunning)) [L559] COND TRUE \read(systemActive) [L607] int tmp ; [L610] COND FALSE !(\read(pumpRunning)) [L581] int tmp ; [L584] COND TRUE ! pumpRunning [L704] int retValue_acc ; [L705] int tmp ; [L706] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L710] tmp = isHighWaterSensorDry() [L712] COND FALSE !(\read(tmp)) [L715] tmp___0 = 1 [L717] retValue_acc = tmp___0 [L718] return (retValue_acc); [L586] tmp = isHighWaterLevel() [L588] COND TRUE \read(tmp) [L635] pumpRunning = 1 [L44] int tmp ; [L45] int tmp___0 ; [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L659] int retValue_acc ; [L662] retValue_acc = pumpRunning [L663] return (retValue_acc); [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L950] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...