./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.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_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/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 6346ce5eb6334508a32a1216a3fa5c414f15aa87 ....................................................................................................................................................................................................................................................................................... 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 02:35:37,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:35:37,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:35:37,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:35:37,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:35:37,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:35:37,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:35:37,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:35:37,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:35:37,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:35:37,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:35:37,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:35:37,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:35:37,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:35:37,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:35:37,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:35:37,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:35:37,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:35:37,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:35:37,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:35:37,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:35:37,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:35:37,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:35:37,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:35:37,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:35:37,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:35:37,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:35:37,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:35:37,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:35:37,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:35:37,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:35:37,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:35:37,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:35:37,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:35:37,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:35:37,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:35:37,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:35:37,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:35:37,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:35:37,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:35:37,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:35:37,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:35:37,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:35:37,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:35:37,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:35:37,738 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:35:37,738 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:35:37,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:35:37,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:35:37,739 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:35:37,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:35:37,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:35:37,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:35:37,740 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:35:37,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:35:37,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:35:37,741 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:35:37,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:35:37,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:35:37,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:35:37,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:35:37,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:35:37,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:35:37,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:35:37,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:35:37,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:35:37,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:35:37,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:35:37,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:35:37,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:35:37,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:35:37,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:35:37,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:35:37,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:35:37,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:35:37,745 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:35:37,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:35:37,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:35:37,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:35:37,746 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_90a59f30-912f-4806-b79e-6f14113ec5d6/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 -> 6346ce5eb6334508a32a1216a3fa5c414f15aa87 [2019-11-26 02:35:37,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:35:37,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:35:37,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:35:37,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:35:37,887 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:35:37,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2019-11-26 02:35:37,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/data/bf56ed4a0/7db01ab856d748eca9af055c2a071f62/FLAG78c5027f1 [2019-11-26 02:35:38,368 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:35:38,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2019-11-26 02:35:38,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/data/bf56ed4a0/7db01ab856d748eca9af055c2a071f62/FLAG78c5027f1 [2019-11-26 02:35:38,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/data/bf56ed4a0/7db01ab856d748eca9af055c2a071f62 [2019-11-26 02:35:38,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:35:38,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:35:38,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:38,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:35:38,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:35:38,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d576c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38, skipping insertion in model container [2019-11-26 02:35:38,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:35:38,440 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:35:38,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:38,764 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:35:38,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:38,865 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:35:38,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38 WrapperNode [2019-11-26 02:35:38,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:38,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:38,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:35:38,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:35:38,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:38,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:35:38,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:35:38,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:35:38,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... [2019-11-26 02:35:38,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:35:38,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:35:38,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:35:38,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:35:38,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/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 02:35:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:35:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:35:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:35:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:35:40,903 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:35:40,904 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-26 02:35:40,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:40 BoogieIcfgContainer [2019-11-26 02:35:40,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:35:40,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:35:40,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:35:40,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:35:40,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:35:38" (1/3) ... [2019-11-26 02:35:40,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0b5670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:35:40, skipping insertion in model container [2019-11-26 02:35:40,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:38" (2/3) ... [2019-11-26 02:35:40,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0b5670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:35:40, skipping insertion in model container [2019-11-26 02:35:40,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:40" (3/3) ... [2019-11-26 02:35:40,915 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2019-11-26 02:35:40,923 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:35:40,931 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:35:40,941 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:35:40,967 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:35:40,967 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:35:40,967 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:35:40,967 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:35:40,968 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:35:40,968 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:35:40,968 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:35:40,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:35:40,987 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:35:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:35:40,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:40,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:40,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:35:41,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1772197448, now seen corresponding path program 1 times [2019-11-26 02:35:41,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:35:41,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934789447] [2019-11-26 02:35:41,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:35:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:35:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:35:41,576 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:35:41,576 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:35:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:35:41 BoogieIcfgContainer [2019-11-26 02:35:41,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:35:41,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:35:41,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:35:41,655 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:35:41,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:40" (3/4) ... [2019-11-26 02:35:41,657 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:35:41,755 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_90a59f30-912f-4806-b79e-6f14113ec5d6/bin/utaipan/witness.graphml [2019-11-26 02:35:41,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:35:41,757 INFO L168 Benchmark]: Toolchain (without parser) took 3365.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:35:41,757 INFO L168 Benchmark]: CDTParser took 0.22 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 02:35:41,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.99 ms. Allocated memory is still 1.0 GB. Free memory was 940.7 MB in the beginning and 991.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,760 INFO L168 Benchmark]: Boogie Preprocessor took 41.10 ms. Allocated memory is still 1.0 GB. Free memory was 985.9 MB in the beginning and 984.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,761 INFO L168 Benchmark]: RCFGBuilder took 1923.35 ms. Allocated memory is still 1.0 GB. Free memory was 984.6 MB in the beginning and 777.7 MB in the end (delta: 206.9 MB). Peak memory consumption was 206.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,763 INFO L168 Benchmark]: TraceAbstraction took 747.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 777.7 MB in the beginning and 1.1 GB in the end (delta: -327.9 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,764 INFO L168 Benchmark]: Witness Printer took 100.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:41,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 473.99 ms. Allocated memory is still 1.0 GB. Free memory was 940.7 MB in the beginning and 991.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.10 ms. Allocated memory is still 1.0 GB. Free memory was 985.9 MB in the beginning and 984.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1923.35 ms. Allocated memory is still 1.0 GB. Free memory was 984.6 MB in the beginning and 777.7 MB in the end (delta: 206.9 MB). Peak memory consumption was 206.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 747.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 777.7 MB in the beginning and 1.1 GB in the end (delta: -327.9 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Witness Printer took 100.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 598]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L837] int retValue_acc ; [L838] int tmp ; [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] COND TRUE splverifierCounter < 4 [L624] tmp = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp) [L690] COND TRUE waterLevel < 2 [L691] waterLevel = waterLevel + 1 [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp___2) [L423] COND FALSE !(\read(pumpRunning)) [L430] COND TRUE \read(systemActive) [L478] int tmp ; [L481] COND FALSE !(\read(pumpRunning)) [L452] int tmp ; [L455] COND FALSE !(\read(pumpRunning)) [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] return (retValue_acc); [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); [L873] tmp___0 = getWaterLevel() [L875] COND TRUE tmp___0 == 2 [L530] int retValue_acc ; [L533] retValue_acc = pumpRunning [L534] return (retValue_acc); [L877] tmp___1 = isPumpRunning() [L879] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] __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, 26 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...