./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/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 6a7af561659176054c5750cdb899e68779816fa6 ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:47:29,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:29,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:29,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:29,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:29,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:29,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:29,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:29,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:29,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:29,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:29,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:29,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:29,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:29,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:29,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:29,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:29,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:29,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:29,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:29,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:29,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:29,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:29,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:29,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:29,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:29,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:29,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:29,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:29,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:29,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:29,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:29,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:29,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:29,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:29,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:29,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:29,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:29,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:29,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:29,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:29,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:47:29,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:29,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:29,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:29,905 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:47:29,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:47:29,905 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:47:29,905 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:47:29,906 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:47:29,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:47:29,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:47:29,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:47:29,906 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:47:29,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:47:29,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:47:29,907 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:47:29,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:29,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:29,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:47:29,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:29,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:47:29,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:47:29,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:29,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:29,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:47:29,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:47:29,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:47:29,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:47:29,912 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_89aabdaa-ec9e-452c-92be-2a276e0a6028/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 -> 6a7af561659176054c5750cdb899e68779816fa6 [2019-11-26 02:47:30,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:30,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:30,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:30,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:30,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:30,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2019-11-26 02:47:30,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/data/4a685a558/330e73e95d6e4b55b4139eddad0ea92b/FLAGe34804e4c [2019-11-26 02:47:30,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:30,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2019-11-26 02:47:30,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/data/4a685a558/330e73e95d6e4b55b4139eddad0ea92b/FLAGe34804e4c [2019-11-26 02:47:30,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/data/4a685a558/330e73e95d6e4b55b4139eddad0ea92b [2019-11-26 02:47:30,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:30,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:30,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:30,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:30,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:30,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f56ad56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30, skipping insertion in model container [2019-11-26 02:47:30,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:30,933 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:31,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:31,404 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:47:31,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:31,492 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:47:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31 WrapperNode [2019-11-26 02:47:31,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:31,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:31,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:47:31,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:47:31,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:31,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:47:31,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:47:31,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:47:31,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:47:31,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:47:31,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:47:31,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:47:31,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/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 02:47:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:47:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:47:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:47:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:47:33,742 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:47:33,743 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-26 02:47:33,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:33 BoogieIcfgContainer [2019-11-26 02:47:33,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:47:33,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:47:33,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:47:33,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:47:33,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:47:30" (1/3) ... [2019-11-26 02:47:33,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a05afb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:33, skipping insertion in model container [2019-11-26 02:47:33,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:31" (2/3) ... [2019-11-26 02:47:33,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a05afb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:33, skipping insertion in model container [2019-11-26 02:47:33,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:33" (3/3) ... [2019-11-26 02:47:33,757 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2019-11-26 02:47:33,766 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:47:33,775 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:47:33,785 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:47:33,811 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:47:33,811 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:47:33,812 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:47:33,812 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:47:33,812 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:47:33,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:47:33,812 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:47:33,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:47:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:47:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:47:33,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:47:33,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:47:33,840 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:47:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash -633945921, now seen corresponding path program 1 times [2019-11-26 02:47:33,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:47:33,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719280191] [2019-11-26 02:47:33,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:47:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:47:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:47:34,291 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:47:34,292 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:47:34,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:47:34 BoogieIcfgContainer [2019-11-26 02:47:34,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:47:34,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:47:34,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:47:34,352 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:47:34,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:33" (3/4) ... [2019-11-26 02:47:34,355 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:47:34,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89aabdaa-ec9e-452c-92be-2a276e0a6028/bin/utaipan/witness.graphml [2019-11-26 02:47:34,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:47:34,425 INFO L168 Benchmark]: Toolchain (without parser) took 3572.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.4 MB in the beginning and 881.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,426 INFO L168 Benchmark]: CDTParser took 0.27 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 02:47:34,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,427 INFO L168 Benchmark]: Boogie Preprocessor took 40.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,428 INFO L168 Benchmark]: RCFGBuilder took 2122.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.9 MB in the end (delta: 204.1 MB). Peak memory consumption was 204.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,428 INFO L168 Benchmark]: TraceAbstraction took 605.91 ms. Allocated memory is still 1.2 GB. Free memory was 926.9 MB in the beginning and 881.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:34,429 INFO L168 Benchmark]: Witness Printer took 71.35 ms. Allocated memory is still 1.2 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:34,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 640.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2122.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.9 MB in the end (delta: 204.1 MB). Peak memory consumption was 204.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 605.91 ms. Allocated memory is still 1.2 GB. Free memory was 926.9 MB in the beginning and 881.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * Witness Printer took 71.35 ms. Allocated memory is still 1.2 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 580]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L341] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L661] int retValue_acc ; [L662] int tmp ; [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L882] int splverifierCounter ; [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L886] int tmp___2 ; [L889] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L891] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] COND TRUE splverifierCounter < 4 [L899] tmp = __VERIFIER_nondet_int() [L901] COND TRUE \read(tmp) [L101] COND TRUE waterLevel < 2 [L102] waterLevel = waterLevel + 1 [L909] tmp___0 = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp___0)) [L919] tmp___2 = __VERIFIER_nondet_int() [L921] COND TRUE \read(tmp___2) [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L722] int tmp ; [L725] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L817] int retValue_acc ; [L820] retValue_acc = pumpRunning [L821] return (retValue_acc); [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.5s, 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, 0.1s 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...