./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:50,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:50,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:50,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:50,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:50,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:50,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:50,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:50,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:50,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:50,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:50,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:50,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:50,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:50,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:50,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:50,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:50,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:50,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:50,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:50,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:50,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:50,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:50,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:50,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:50,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:50,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:50,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:50,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:50,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:50,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:50,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:50,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:50,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:50,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:50,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:50,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:50,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:50,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:50,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:50,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:50,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:50,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:50,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:50,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:50,255 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:50,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:50,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:50,257 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:50,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:50,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:50,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:50,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:50,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:50,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:50,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:50,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:50,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:50,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:50,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:50,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:50,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:50,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:50,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:50,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:50,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:50,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:50,262 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/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2019-10-22 11:24:50,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:50,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:50,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:50,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:50,299 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:50,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-10-22 11:24:50,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/data/883dada53/fb91c373295847eda02596992b70bc9f/FLAG0b63c0879 [2019-10-22 11:24:50,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:50,720 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-10-22 11:24:50,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/data/883dada53/fb91c373295847eda02596992b70bc9f/FLAG0b63c0879 [2019-10-22 11:24:50,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/data/883dada53/fb91c373295847eda02596992b70bc9f [2019-10-22 11:24:50,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:50,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:50,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:50,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:50,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:50,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:50" (1/1) ... [2019-10-22 11:24:50,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab1254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:50, skipping insertion in model container [2019-10-22 11:24:50,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:50" (1/1) ... [2019-10-22 11:24:50,759 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:50,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:51,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:51,087 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:51,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:51,228 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:51,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51 WrapperNode [2019-10-22 11:24:51,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:51,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:51,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:51,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:51,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:51,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:51,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:51,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:51,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... [2019-10-22 11:24:51,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:51,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:51,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:51,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:51,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/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 [2019-10-22 11:24:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:52,022 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:52,022 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-10-22 11:24:52,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:52 BoogieIcfgContainer [2019-10-22 11:24:52,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:52,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:52,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:52,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:52,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:50" (1/3) ... [2019-10-22 11:24:52,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338abf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:52, skipping insertion in model container [2019-10-22 11:24:52,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:51" (2/3) ... [2019-10-22 11:24:52,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338abf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:52, skipping insertion in model container [2019-10-22 11:24:52,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:52" (3/3) ... [2019-10-22 11:24:52,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2019-10-22 11:24:52,040 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:52,048 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:52,057 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:52,081 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:52,082 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:52,082 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:52,082 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:52,083 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:52,083 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:52,083 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:52,083 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-10-22 11:24:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:24:52,105 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:52,106 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:52,108 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:52,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:52,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2019-10-22 11:24:52,123 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:52,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075913820] [2019-10-22 11:24:52,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,125 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:52,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075913820] [2019-10-22 11:24:52,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:52,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:52,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58691935] [2019-10-22 11:24:52,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:52,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:52,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:52,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:52,366 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-10-22 11:24:52,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:52,385 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2019-10-22 11:24:52,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:52,386 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:24:52,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:52,395 INFO L225 Difference]: With dead ends: 115 [2019-10-22 11:24:52,396 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 11:24:52,398 INFO L600 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 [2019-10-22 11:24:52,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 11:24:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-10-22 11:24:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-22 11:24:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-10-22 11:24:52,430 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2019-10-22 11:24:52,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:52,430 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-10-22 11:24:52,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 11:24:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:24:52,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:52,431 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:52,432 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:52,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:52,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2019-10-22 11:24:52,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:52,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551391299] [2019-10-22 11:24:52,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:52,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551391299] [2019-10-22 11:24:52,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:52,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:52,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962866394] [2019-10-22 11:24:52,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:52,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:52,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:52,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:52,503 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2019-10-22 11:24:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:52,511 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2019-10-22 11:24:52,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:52,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:24:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:52,512 INFO L225 Difference]: With dead ends: 57 [2019-10-22 11:24:52,512 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 11:24:52,513 INFO L600 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 [2019-10-22 11:24:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 11:24:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 11:24:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 11:24:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 11:24:52,517 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-10-22 11:24:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:52,517 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 11:24:52,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 11:24:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:24:52,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:52,518 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:52,519 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:52,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:52,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2019-10-22 11:24:52,519 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:52,519 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566553782] [2019-10-22 11:24:52,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:52,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566553782] [2019-10-22 11:24:52,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:52,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:52,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893509022] [2019-10-22 11:24:52,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:52,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:52,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:52,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:52,606 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-10-22 11:24:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:52,683 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2019-10-22 11:24:52,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:52,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:24:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:52,685 INFO L225 Difference]: With dead ends: 112 [2019-10-22 11:24:52,685 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 11:24:52,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 11:24:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2019-10-22 11:24:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 11:24:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 11:24:52,693 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2019-10-22 11:24:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:52,694 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 11:24:52,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 11:24:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:24:52,695 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:52,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:52,695 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:52,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2019-10-22 11:24:52,696 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:52,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604816591] [2019-10-22 11:24:52,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:52,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:52,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604816591] [2019-10-22 11:24:52,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:52,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:52,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271067768] [2019-10-22 11:24:52,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:52,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:52,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:52,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:52,763 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2019-10-22 11:24:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:52,810 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2019-10-22 11:24:52,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:52,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:24:52,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:52,811 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:24:52,811 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:52,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:24:52,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:52,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:52,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 11:24:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:52,813 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:52,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:52,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:52,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:52,992 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-22 11:24:52,992 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 499 505) no Hoare annotation was computed. [2019-10-22 11:24:52,992 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 455) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L439 ceAbstractionStarter]: At program point L449-1(lines 449 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,993 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 767) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L443 ceAbstractionStarter]: For program point L763-3(lines 763 767) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L443 ceAbstractionStarter]: For program point L763-6(lines 763 767) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L439 ceAbstractionStarter]: At program point L499(lines 498 517) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,993 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2019-10-22 11:24:52,993 INFO L439 ceAbstractionStarter]: At program point L499-2(lines 498 517) the Hoare annotation is: false [2019-10-22 11:24:52,994 INFO L439 ceAbstractionStarter]: At program point L499-3(lines 498 517) the Hoare annotation is: false [2019-10-22 11:24:52,994 INFO L439 ceAbstractionStarter]: At program point L715(lines 711 717) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:52,994 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 651) no Hoare annotation was computed. [2019-10-22 11:24:52,994 INFO L439 ceAbstractionStarter]: At program point L634-1(lines 1 870) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,994 INFO L439 ceAbstractionStarter]: At program point L667-2(lines 667 681) the Hoare annotation is: false [2019-10-22 11:24:52,995 INFO L443 ceAbstractionStarter]: For program point L634-2(lines 634 651) no Hoare annotation was computed. [2019-10-22 11:24:52,995 INFO L439 ceAbstractionStarter]: At program point L634-3(lines 1 870) the Hoare annotation is: false [2019-10-22 11:24:52,995 INFO L443 ceAbstractionStarter]: For program point L634-4(lines 634 651) no Hoare annotation was computed. [2019-10-22 11:24:52,995 INFO L439 ceAbstractionStarter]: At program point L634-5(lines 1 870) the Hoare annotation is: false [2019-10-22 11:24:52,996 INFO L439 ceAbstractionStarter]: At program point L800(lines 795 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,996 INFO L439 ceAbstractionStarter]: At program point L800-1(lines 795 803) the Hoare annotation is: false [2019-10-22 11:24:52,996 INFO L439 ceAbstractionStarter]: At program point L800-2(lines 795 803) the Hoare annotation is: false [2019-10-22 11:24:52,996 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-22 11:24:52,996 INFO L446 ceAbstractionStarter]: At program point L751(lines 732 754) the Hoare annotation is: true [2019-10-22 11:24:52,996 INFO L439 ceAbstractionStarter]: At program point L867(lines 862 870) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:52,996 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L439 ceAbstractionStarter]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 648) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 499 505) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L443 ceAbstractionStarter]: For program point L638-2(lines 638 648) no Hoare annotation was computed. [2019-10-22 11:24:52,997 INFO L439 ceAbstractionStarter]: At program point L506(lines 506 512) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:52,998 INFO L443 ceAbstractionStarter]: For program point L638-4(lines 638 648) no Hoare annotation was computed. [2019-10-22 11:24:52,998 INFO L439 ceAbstractionStarter]: At program point L506-1(lines 506 512) the Hoare annotation is: false [2019-10-22 11:24:52,998 INFO L439 ceAbstractionStarter]: At program point L506-2(lines 506 512) the Hoare annotation is: false [2019-10-22 11:24:52,998 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-22 11:24:52,998 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:24:52,999 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:24:53,000 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:24:53,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:24:53,000 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:24:53,000 INFO L443 ceAbstractionStarter]: For program point L639-2(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:24:53,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:53,001 INFO L443 ceAbstractionStarter]: For program point L639-4(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:24:53,001 INFO L439 ceAbstractionStarter]: At program point L623(lines 618 625) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:53,001 INFO L439 ceAbstractionStarter]: At program point L475(lines 428 476) the Hoare annotation is: false [2019-10-22 11:24:53,001 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 470) no Hoare annotation was computed. [2019-10-22 11:24:53,001 INFO L439 ceAbstractionStarter]: At program point L576(lines 571 579) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:53,001 INFO L439 ceAbstractionStarter]: At program point L576-1(lines 571 579) the Hoare annotation is: false [2019-10-22 11:24:53,002 INFO L439 ceAbstractionStarter]: At program point L576-2(lines 571 579) the Hoare annotation is: false [2019-10-22 11:24:53,002 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:24:53,002 INFO L443 ceAbstractionStarter]: For program point L775(lines 775 779) no Hoare annotation was computed. [2019-10-22 11:24:53,002 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 749) no Hoare annotation was computed. [2019-10-22 11:24:53,002 INFO L446 ceAbstractionStarter]: At program point L742-1(lines 742 749) the Hoare annotation is: true [2019-10-22 11:24:53,002 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:53,002 INFO L439 ceAbstractionStarter]: At program point L859(lines 1 870) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:53,002 INFO L443 ceAbstractionStarter]: For program point L430(lines 429 474) no Hoare annotation was computed. [2019-10-22 11:24:53,003 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:24:53,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:53 BoogieIcfgContainer [2019-10-22 11:24:53,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:53,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:53,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:53,024 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:53,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:52" (3/4) ... [2019-10-22 11:24:53,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:53,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:53,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:53,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:53,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:24:53,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:53,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:53,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:53,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5df5a9bf-31a6-48ff-b837-3d27ac3602bb/bin/utaipan/witness.graphml [2019-10-22 11:24:53,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:53,149 INFO L168 Benchmark]: Toolchain (without parser) took 2404.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.5 MB in the beginning and 963.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,149 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:53,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.53 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. [2019-10-22 11:24:53,151 INFO L168 Benchmark]: Boogie Preprocessor took 30.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,151 INFO L168 Benchmark]: RCFGBuilder took 706.31 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,151 INFO L168 Benchmark]: TraceAbstraction took 998.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.0 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,152 INFO L168 Benchmark]: Witness Printer took 124.69 ms. Allocated memory is still 1.2 GB. Free memory was 969.0 MB in the beginning and 963.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:53,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 482.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.53 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. * Boogie Preprocessor took 30.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 706.31 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 998.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.0 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 124.69 ms. Allocated memory is still 1.2 GB. Free memory was 969.0 MB in the beginning and 963.7 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: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct! Received shutdown request...