./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.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_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ....................................................................................................................................................................................................................................................................................... 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 02:32:13,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:13,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:13,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:13,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:13,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:13,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:13,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:13,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:13,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:13,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:13,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:13,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:13,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:13,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:13,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:13,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:13,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:13,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:13,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:13,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:13,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:13,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:13,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:13,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:13,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:13,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:13,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:13,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:13,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:13,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:13,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:13,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:13,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:13,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:13,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:13,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:13,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:13,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:13,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:13,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:13,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:32:13,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:13,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:13,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:13,295 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:13,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:13,296 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:13,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:32:13,296 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:13,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:13,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:32:13,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:32:13,297 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:13,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:32:13,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:32:13,298 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:32:13,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:13,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:13,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:32:13,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:13,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:13,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:13,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:13,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:13,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:13,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:13,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:13,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:13,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:13,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:13,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:13,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:13,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:13,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:13,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:32:13,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:32:13,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:13,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:13,303 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_94d8251a-4325-4d4f-bfb8-dd2126362cce/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2019-11-26 02:32:13,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:13,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:13,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:13,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:13,498 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:13,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-26 02:32:13,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/data/f8529024a/c673bd42bde44f6998b146ad2148c261/FLAGea837e6e2 [2019-11-26 02:32:13,961 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:13,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-26 02:32:13,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/data/f8529024a/c673bd42bde44f6998b146ad2148c261/FLAGea837e6e2 [2019-11-26 02:32:14,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/data/f8529024a/c673bd42bde44f6998b146ad2148c261 [2019-11-26 02:32:14,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:14,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:14,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:14,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:14,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:14,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ae6ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14, skipping insertion in model container [2019-11-26 02:32:14,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:14,412 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:14,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:14,800 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:14,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:14,897 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:14,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14 WrapperNode [2019-11-26 02:32:14,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:14,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:14,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:14,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:14,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:14,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:14,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:14,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:14,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... [2019-11-26 02:32:14,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:14,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:14,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:14,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:14,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/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 02:32:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:32:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:32:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:16,096 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:16,097 INFO L284 CfgBuilder]: Removed 76 assume(true) statements. [2019-11-26 02:32:16,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:16 BoogieIcfgContainer [2019-11-26 02:32:16,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:16,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:32:16,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:32:16,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:32:16,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:32:14" (1/3) ... [2019-11-26 02:32:16,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218d69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:16, skipping insertion in model container [2019-11-26 02:32:16,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:14" (2/3) ... [2019-11-26 02:32:16,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218d69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:16, skipping insertion in model container [2019-11-26 02:32:16,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:16" (3/3) ... [2019-11-26 02:32:16,111 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2019-11-26 02:32:16,122 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:32:16,129 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:32:16,139 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:32:16,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:32:16,167 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:32:16,167 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:32:16,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:32:16,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:32:16,168 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:32:16,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:32:16,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:32:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:32:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:32:16,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:16,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:16,195 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:16,200 INFO L82 PathProgramCache]: Analyzing trace with hash 495053469, now seen corresponding path program 1 times [2019-11-26 02:32:16,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:16,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298600421] [2019-11-26 02:32:16,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:16,687 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:32:16,688 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:32:16,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:32:16 BoogieIcfgContainer [2019-11-26 02:32:16,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:32:16,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:32:16,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:32:16,752 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:32:16,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:16" (3/4) ... [2019-11-26 02:32:16,754 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:32:16,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_94d8251a-4325-4d4f-bfb8-dd2126362cce/bin/utaipan/witness.graphml [2019-11-26 02:32:16,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:32:16,826 INFO L168 Benchmark]: Toolchain (without parser) took 2525.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 993.8 MB in the end (delta: -54.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,826 INFO L168 Benchmark]: CDTParser took 0.23 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 02:32:16,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.58 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,828 INFO L168 Benchmark]: Boogie Preprocessor took 31.77 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 02:32:16,828 INFO L168 Benchmark]: RCFGBuilder took 1110.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,829 INFO L168 Benchmark]: TraceAbstraction took 652.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,829 INFO L168 Benchmark]: Witness Printer took 71.68 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 993.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:16,832 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.58 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.77 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. * RCFGBuilder took 1110.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 652.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 71.68 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 993.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L763] int retValue_acc ; [L764] int tmp ; [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \read(tmp___1) [L230] COND FALSE !(\read(pumpRunning)) [L237] systemActive = 0 [L127] COND FALSE !(\read(pumpRunning)) [L134] COND FALSE !(\read(systemActive)) [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L650] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, 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, 0.2s 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...