./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.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_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/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 a4cdc62a5b5efdfba89a3280823bf73bd08d347a .................................................................................................................................................................................................................................................................................................. 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 02:31:08,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:31:08,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:31:08,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:31:08,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:31:08,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:31:08,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:31:08,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:31:08,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:31:08,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:31:08,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:31:08,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:31:08,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:31:08,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:31:08,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:31:08,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:31:08,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:31:08,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:31:08,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:31:08,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:31:08,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:31:08,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:31:08,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:31:08,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:31:08,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:31:08,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:31:08,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:31:08,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:31:08,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:31:08,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:31:08,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:31:08,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:31:08,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:31:08,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:31:08,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:31:08,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:31:08,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:31:08,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:31:08,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:31:08,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:31:08,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:31:08,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:31:08,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:31:08,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:31:08,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:31:08,277 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:31:08,277 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:31:08,278 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:31:08,278 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:31:08,278 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:31:08,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:31:08,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:31:08,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:31:08,279 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:31:08,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:31:08,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:31:08,280 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:31:08,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:31:08,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:31:08,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:31:08,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:31:08,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:31:08,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:31:08,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:31:08,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:31:08,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:31:08,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:31:08,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:31:08,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:31:08,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:31:08,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:31:08,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:31:08,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:31:08,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:31:08,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:31:08,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:31:08,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:31:08,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:31:08,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:31:08,285 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_ab524d28-446a-4f4f-8a6b-f902f937b1e5/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 -> a4cdc62a5b5efdfba89a3280823bf73bd08d347a [2019-11-26 02:31:08,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:31:08,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:31:08,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:31:08,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:31:08,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:31:08,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-11-26 02:31:08,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/data/bcb21fa9f/7136a18e7feb4a8ca512fe6d307f8d83/FLAG9fa5f42c8 [2019-11-26 02:31:08,965 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:31:08,970 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-11-26 02:31:08,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/data/bcb21fa9f/7136a18e7feb4a8ca512fe6d307f8d83/FLAG9fa5f42c8 [2019-11-26 02:31:08,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/data/bcb21fa9f/7136a18e7feb4a8ca512fe6d307f8d83 [2019-11-26 02:31:08,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:31:08,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:31:09,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:09,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:31:09,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:31:09,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:08" (1/1) ... [2019-11-26 02:31:09,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afd93e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09, skipping insertion in model container [2019-11-26 02:31:09,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:08" (1/1) ... [2019-11-26 02:31:09,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:31:09,077 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:31:09,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:09,471 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:31:09,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:09,584 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:31:09,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09 WrapperNode [2019-11-26 02:31:09,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:09,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:09,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:31:09,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:31:09,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:09,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:31:09,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:31:09,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:31:09,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... [2019-11-26 02:31:09,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:31:09,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:31:09,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:31:09,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:31:09,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/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 02:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:31:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:31:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:31:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:31:11,759 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:31:11,759 INFO L284 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-26 02:31:11,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:11 BoogieIcfgContainer [2019-11-26 02:31:11,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:31:11,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:31:11,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:31:11,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:31:11,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:31:08" (1/3) ... [2019-11-26 02:31:11,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cde0623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:31:11, skipping insertion in model container [2019-11-26 02:31:11,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:09" (2/3) ... [2019-11-26 02:31:11,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cde0623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:31:11, skipping insertion in model container [2019-11-26 02:31:11,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:11" (3/3) ... [2019-11-26 02:31:11,771 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2019-11-26 02:31:11,780 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:31:11,787 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:31:11,797 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:31:11,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:31:11,819 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:31:11,819 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:31:11,819 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:31:11,820 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:31:11,820 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:31:11,820 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:31:11,820 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:31:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:31:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:31:11,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:31:11,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:31:11,840 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:31:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:31:11,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1145148356, now seen corresponding path program 1 times [2019-11-26 02:31:11,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:31:11,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298730978] [2019-11-26 02:31:11,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:31:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:31:12,417 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:31:12,418 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:31:12,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:31:12 BoogieIcfgContainer [2019-11-26 02:31:12,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:31:12,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:31:12,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:31:12,477 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:31:12,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:11" (3/4) ... [2019-11-26 02:31:12,480 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:31:12,580 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab524d28-446a-4f4f-8a6b-f902f937b1e5/bin/utaipan/witness.graphml [2019-11-26 02:31:12,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:31:12,583 INFO L168 Benchmark]: Toolchain (without parser) took 3582.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:12,583 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:31:12,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:12,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:12,584 INFO L168 Benchmark]: Boogie Preprocessor took 42.80 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 02:31:12,585 INFO L168 Benchmark]: RCFGBuilder took 2057.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:12,585 INFO L168 Benchmark]: TraceAbstraction took 714.44 ms. Allocated memory is still 1.2 GB. Free memory was 888.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:31:12,589 INFO L168 Benchmark]: Witness Printer took 104.17 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 02:31:12,591 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 584.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.80 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 2057.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 714.44 ms. Allocated memory is still 1.2 GB. Free memory was 888.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 104.17 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L406] int cleanupTimeShifts = 4; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L487] int retValue_acc ; [L488] int tmp ; [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) [L850] COND TRUE waterLevel < 2 [L851] waterLevel = waterLevel + 1 [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) [L862] COND FALSE !(\read(methaneLevelCritical)) [L865] methaneLevelCritical = 1 [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L595] COND FALSE !(\read(pumpRunning)) [L602] COND TRUE \read(systemActive) [L650] int tmp ; [L653] COND FALSE !(\read(pumpRunning)) [L624] int tmp ; [L627] COND TRUE ! pumpRunning [L747] int retValue_acc ; [L748] int tmp ; [L749] int tmp___0 ; [L912] int retValue_acc ; [L915] COND FALSE !(waterLevel < 2) [L919] retValue_acc = 0 [L920] return (retValue_acc); [L753] tmp = isHighWaterSensorDry() [L755] COND FALSE !(\read(tmp)) [L758] tmp___0 = 1 [L760] retValue_acc = tmp___0 [L761] return (retValue_acc); [L629] tmp = isHighWaterLevel() [L631] COND TRUE \read(tmp) [L678] pumpRunning = 1 [L514] int tmp ; [L515] int tmp___0 ; [L871] int retValue_acc ; [L874] retValue_acc = methaneLevelCritical [L875] return (retValue_acc); [L519] tmp = isMethaneLevelCritical() [L521] COND TRUE \read(tmp) [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); [L523] tmp___0 = isPumpRunning() [L525] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L543] __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: 0.6s, 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=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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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...