./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.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_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:54:53,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:54:53,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:54:53,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:54:53,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:54:53,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:54:53,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:54:53,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:54:53,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:54:53,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:54:53,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:54:53,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:54:53,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:54:53,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:54:53,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:54:53,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:54:53,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:54:53,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:54:53,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:54:53,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:54:53,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:54:53,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:54:53,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:54:53,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:54:53,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:54:53,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:54:53,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:54:53,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:54:53,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:54:53,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:54:53,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:54:53,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:54:53,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:54:53,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:54:53,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:54:53,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:54:53,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:54:53,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:54:53,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:54:53,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:54:53,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:54:53,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:54:53,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:54:53,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:54:53,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:54:53,296 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:54:53,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:54:53,296 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:54:53,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:54:53,297 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:54:53,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:54:53,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:54:53,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:54:53,298 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:54:53,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:54:53,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:54:53,299 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:54:53,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:54:53,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:54:53,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:54:53,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:54:53,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:54:53,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:54:53,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:54:53,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:54:53,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:54:53,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:54:53,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:54:53,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:54:53,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:54:53,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:54:53,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:54:53,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:54:53,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:54:53,303 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_bada9ff7-2c18-4453-9722-31e26d72f3ba/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2019-11-26 02:54:53,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:54:53,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:54:53,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:54:53,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:54:53,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:54:53,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-26 02:54:53,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/data/d285f755e/e8b3c2273b3d462d810827619f6bdacc/FLAG2331e7571 [2019-11-26 02:54:53,983 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:54:53,983 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-26 02:54:53,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/data/d285f755e/e8b3c2273b3d462d810827619f6bdacc/FLAG2331e7571 [2019-11-26 02:54:54,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/data/d285f755e/e8b3c2273b3d462d810827619f6bdacc [2019-11-26 02:54:54,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:54:54,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:54:54,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:54:54,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:54:54,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:54:54,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2a2655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54, skipping insertion in model container [2019-11-26 02:54:54,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:54:54,393 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:54:54,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:54:54,767 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:54:54,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:54:54,880 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:54:54,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54 WrapperNode [2019-11-26 02:54:54,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:54:54,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:54:54,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:54:54,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:54:54,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:54:54,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:54:54,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:54:54,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:54:54,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... [2019-11-26 02:54:54,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:54:54,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:54:54,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:54:54,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:54:54,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/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 02:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:54:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:54:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:54:56,391 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:54:56,392 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-26 02:54:56,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:56 BoogieIcfgContainer [2019-11-26 02:54:56,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:54:56,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:54:56,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:54:56,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:54:56,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:54:54" (1/3) ... [2019-11-26 02:54:56,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203683da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:54:56, skipping insertion in model container [2019-11-26 02:54:56,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:54" (2/3) ... [2019-11-26 02:54:56,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203683da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:54:56, skipping insertion in model container [2019-11-26 02:54:56,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:56" (3/3) ... [2019-11-26 02:54:56,400 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2019-11-26 02:54:56,408 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:54:56,414 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:54:56,424 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:54:56,448 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:54:56,448 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:54:56,448 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:54:56,448 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:54:56,448 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:54:56,449 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:54:56,449 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:54:56,449 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:54:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:54:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:54:56,473 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:56,474 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:54:56,474 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:56,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 366742851, now seen corresponding path program 1 times [2019-11-26 02:54:56,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:56,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312040273] [2019-11-26 02:54:56,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:56,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312040273] [2019-11-26 02:54:56,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:54:56,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:54:56,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931298328] [2019-11-26 02:54:56,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:54:56,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:56,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:54:56,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:54:56,743 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-26 02:54:56,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:56,760 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-26 02:54:56,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:54:56,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:54:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:56,771 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:54:56,771 INFO L226 Difference]: Without dead ends: 24 [2019-11-26 02:54:56,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:54:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-26 02:54:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-26 02:54:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:54:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-26 02:54:56,807 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-26 02:54:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:56,808 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-26 02:54:56,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:54:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-26 02:54:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:54:56,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:56,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:54:56,810 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:56,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1821908933, now seen corresponding path program 1 times [2019-11-26 02:54:56,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:56,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072939551] [2019-11-26 02:54:56,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:56,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072939551] [2019-11-26 02:54:56,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:54:56,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:54:56,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940175670] [2019-11-26 02:54:56,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:54:56,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:56,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:54:56,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:54:56,952 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 3 states. [2019-11-26 02:54:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:57,007 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2019-11-26 02:54:57,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:54:57,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:54:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:57,008 INFO L225 Difference]: With dead ends: 46 [2019-11-26 02:54:57,008 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:54:57,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:54:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:54:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:54:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:54:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-26 02:54:57,020 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-26 02:54:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:57,021 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-26 02:54:57,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:54:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-26 02:54:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:54:57,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:57,023 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 02:54:57,023 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:57,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1682070940, now seen corresponding path program 1 times [2019-11-26 02:54:57,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:57,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432388734] [2019-11-26 02:54:57,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:54:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:54:57,374 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:54:57,374 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:54:57,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:54:57 BoogieIcfgContainer [2019-11-26 02:54:57,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:54:57,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:54:57,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:54:57,469 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:54:57,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:56" (3/4) ... [2019-11-26 02:54:57,473 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:54:57,577 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bada9ff7-2c18-4453-9722-31e26d72f3ba/bin/utaipan/witness.graphml [2019-11-26 02:54:57,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:54:57,579 INFO L168 Benchmark]: Toolchain (without parser) took 3251.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 939.3 MB in the beginning and 904.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 194.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,580 INFO L168 Benchmark]: CDTParser took 0.17 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 02:54:57,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,581 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 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 02:54:57,582 INFO L168 Benchmark]: RCFGBuilder took 1407.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.2 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,582 INFO L168 Benchmark]: TraceAbstraction took 1074.61 ms. Allocated memory is still 1.2 GB. Free memory was 996.2 MB in the beginning and 915.7 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,582 INFO L168 Benchmark]: Witness Printer took 108.67 ms. Allocated memory is still 1.2 GB. Free memory was 915.7 MB in the beginning and 904.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:57,585 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 551.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.24 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. * RCFGBuilder took 1407.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.2 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1074.61 ms. Allocated memory is still 1.2 GB. Free memory was 996.2 MB in the beginning and 915.7 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Witness Printer took 108.67 ms. Allocated memory is still 1.2 GB. Free memory was 915.7 MB in the beginning and 904.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int retValue_acc ; [L816] int tmp ; [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L660] methAndRunningLastTime = 0 [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___2)) [L631] tmp___1 = __VERIFIER_nondet_int() [L633] COND FALSE !(\read(tmp___1)) [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L919] int retValue_acc ; [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) [L481] pumpRunning = 1 [L665] int tmp ; [L666] int tmp___0 ; [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) [L857] COND FALSE !(waterLevel < 2) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L424] COND TRUE \read(pumpRunning) [L845] COND TRUE waterLevel > 0 [L846] waterLevel = waterLevel - 1 [L431] COND TRUE \read(systemActive) [L453] int tmp ; [L456] COND FALSE !(! pumpRunning) [L665] int tmp ; [L666] int tmp___0 ; [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L677] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L736] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 10 SDslu, 17 SDs, 0 SdLazy, 9 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...