./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.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_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/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 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:25:10,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:10,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:10,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:10,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:10,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:10,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:10,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:10,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:10,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:10,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:10,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:10,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:10,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:10,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:10,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:10,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:10,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:10,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:10,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:10,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:10,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:10,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:10,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:10,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:10,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:10,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:10,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:10,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:10,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:10,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:10,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:10,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:10,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:10,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:10,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:10,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:10,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:10,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:10,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:10,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:10,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:10,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:10,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:10,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:10,189 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:10,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:10,190 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:10,190 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:10,190 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:10,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:10,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:10,191 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:10,191 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:10,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:10,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:10,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:10,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:10,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:10,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:10,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:10,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:10,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:10,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:10,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:10,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:10,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:10,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:10,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:10,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:10,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:10,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:10,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:10,197 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:10,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:10,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:10,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:10,198 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_cc335c2d-99ef-46f6-a2f3-288da631cad5/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 -> 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f [2019-10-22 11:25:10,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:10,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:10,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:10,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:10,261 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:10,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-10-22 11:25:10,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/data/bd92a8292/d5ab6383b6b14c4ebbe8cd4003bc11c9/FLAGd4ea6b7fb [2019-10-22 11:25:10,768 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:10,769 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2019-10-22 11:25:10,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/data/bd92a8292/d5ab6383b6b14c4ebbe8cd4003bc11c9/FLAGd4ea6b7fb [2019-10-22 11:25:11,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/data/bd92a8292/d5ab6383b6b14c4ebbe8cd4003bc11c9 [2019-10-22 11:25:11,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:11,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:11,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:11,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:11,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:11,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54427352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11, skipping insertion in model container [2019-10-22 11:25:11,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:11,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:11,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:11,757 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:11,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:11,864 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:11,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11 WrapperNode [2019-10-22 11:25:11,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:11,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:11,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:11,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:11,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:11,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:11,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:11,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:11,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:11,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:11,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:11,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:11,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/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 11:25:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:12,707 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:12,708 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 11:25:12,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12 BoogieIcfgContainer [2019-10-22 11:25:12,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:12,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:12,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:12,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:12,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:11" (1/3) ... [2019-10-22 11:25:12,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3f0274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:12, skipping insertion in model container [2019-10-22 11:25:12,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (2/3) ... [2019-10-22 11:25:12,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3f0274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:12, skipping insertion in model container [2019-10-22 11:25:12,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12" (3/3) ... [2019-10-22 11:25:12,715 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2019-10-22 11:25:12,725 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:12,732 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:12,740 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:12,759 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:12,759 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:12,760 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:12,760 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:12,760 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:12,760 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:12,760 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:12,760 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 11:25:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:25:12,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:12,777 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:12,779 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:12,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:12,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2019-10-22 11:25:12,792 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:12,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377529727] [2019-10-22 11:25:12,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:12,977 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 11:25:12,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377529727] [2019-10-22 11:25:12,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:12,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:12,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748289111] [2019-10-22 11:25:12,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:12,984 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:12,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:12,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:12,999 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 11:25:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,023 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 11:25:13,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:13,025 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:25:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,035 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:25:13,035 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:25:13,038 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 11:25:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:25:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:25:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:25:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 11:25:13,074 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 11:25:13,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,074 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 11:25:13,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 11:25:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:25:13,075 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,075 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,076 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2019-10-22 11:25:13,076 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277590785] [2019-10-22 11:25:13,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,176 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 11:25:13,177 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277590785] [2019-10-22 11:25:13,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:13,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741408962] [2019-10-22 11:25:13,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:13,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:13,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:13,179 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 11:25:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,192 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 11:25:13,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:13,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:25:13,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,193 INFO L225 Difference]: With dead ends: 67 [2019-10-22 11:25:13,193 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:25:13,194 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 11:25:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:25:13,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:25:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:25:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 11:25:13,199 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 11:25:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,199 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 11:25:13,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 11:25:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:25:13,200 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,200 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] [2019-10-22 11:25:13,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2019-10-22 11:25:13,201 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119942538] [2019-10-22 11:25:13,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,302 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 11:25:13,302 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119942538] [2019-10-22 11:25:13,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:13,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089315717] [2019-10-22 11:25:13,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:13,303 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:13,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:13,304 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 11:25:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,321 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 11:25:13,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:13,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:25:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,323 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:25:13,323 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 11:25:13,323 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:25:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 11:25:13,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-10-22 11:25:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 11:25:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-10-22 11:25:13,333 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-10-22 11:25:13,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,333 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-10-22 11:25:13,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-10-22 11:25:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:25:13,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,334 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] [2019-10-22 11:25:13,334 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,335 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2019-10-22 11:25:13,335 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736992080] [2019-10-22 11:25:13,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,421 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 11:25:13,422 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736992080] [2019-10-22 11:25:13,422 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853907196] [2019-10-22 11:25:13,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,423 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,423 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-10-22 11:25:13,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,555 INFO L93 Difference]: Finished difference Result 209 states and 317 transitions. [2019-10-22 11:25:13,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:13,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:25:13,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,557 INFO L225 Difference]: With dead ends: 209 [2019-10-22 11:25:13,557 INFO L226 Difference]: Without dead ends: 159 [2019-10-22 11:25:13,558 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-22 11:25:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 100. [2019-10-22 11:25:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 11:25:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-10-22 11:25:13,572 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 23 [2019-10-22 11:25:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,572 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-10-22 11:25:13,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-10-22 11:25:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:13,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,573 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 11:25:13,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1573098380, now seen corresponding path program 1 times [2019-10-22 11:25:13,574 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833754519] [2019-10-22 11:25:13,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,635 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 11:25:13,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833754519] [2019-10-22 11:25:13,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154725877] [2019-10-22 11:25:13,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,637 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 5 states. [2019-10-22 11:25:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,754 INFO L93 Difference]: Finished difference Result 244 states and 363 transitions. [2019-10-22 11:25:13,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:13,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:25:13,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,755 INFO L225 Difference]: With dead ends: 244 [2019-10-22 11:25:13,756 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:13,756 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 11:25:13,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:13,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:13,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:25:13,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,758 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:13,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:13,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:13,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:13,987 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2019-10-22 11:25:13,987 INFO L439 ceAbstractionStarter]: At program point L696-1(lines 696 702) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,987 INFO L439 ceAbstractionStarter]: At program point L267(lines 262 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,987 INFO L439 ceAbstractionStarter]: At program point L267-1(lines 262 270) the Hoare annotation is: false [2019-10-22 11:25:13,987 INFO L439 ceAbstractionStarter]: At program point L267-2(lines 262 270) the Hoare annotation is: false [2019-10-22 11:25:13,988 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,988 INFO L439 ceAbstractionStarter]: At program point L235(lines 230 238) the Hoare annotation is: false [2019-10-22 11:25:13,988 INFO L439 ceAbstractionStarter]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2019-10-22 11:25:13,988 INFO L439 ceAbstractionStarter]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2019-10-22 11:25:13,988 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-10-22 11:25:13,988 INFO L443 ceAbstractionStarter]: For program point L285-2(lines 285 291) no Hoare annotation was computed. [2019-10-22 11:25:13,988 INFO L443 ceAbstractionStarter]: For program point L285-4(lines 285 291) no Hoare annotation was computed. [2019-10-22 11:25:13,989 INFO L439 ceAbstractionStarter]: At program point L749(lines 749 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,989 INFO L439 ceAbstractionStarter]: At program point L749-1(lines 749 755) the Hoare annotation is: false [2019-10-22 11:25:13,989 INFO L439 ceAbstractionStarter]: At program point L749-2(lines 749 755) the Hoare annotation is: false [2019-10-22 11:25:13,989 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:13,990 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-10-22 11:25:13,991 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-10-22 11:25:13,991 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,991 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:25:13,991 INFO L439 ceAbstractionStarter]: At program point L818(lines 811 821) the Hoare annotation is: false [2019-10-22 11:25:13,991 INFO L439 ceAbstractionStarter]: At program point L818-1(lines 811 821) the Hoare annotation is: false [2019-10-22 11:25:13,991 INFO L439 ceAbstractionStarter]: At program point L818-2(lines 811 821) the Hoare annotation is: false [2019-10-22 11:25:13,991 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:25:13,991 INFO L446 ceAbstractionStarter]: At program point L174(lines 155 177) the Hoare annotation is: true [2019-10-22 11:25:13,992 INFO L439 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:13,992 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 686 692) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,992 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 11:25:13,992 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 11:25:13,992 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-22 11:25:13,992 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:25:13,993 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,993 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 214) no Hoare annotation was computed. [2019-10-22 11:25:13,993 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-10-22 11:25:13,993 INFO L439 ceAbstractionStarter]: At program point L871-1(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,993 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 719) no Hoare annotation was computed. [2019-10-22 11:25:13,993 INFO L439 ceAbstractionStarter]: At program point L724(lines 675 725) the Hoare annotation is: false [2019-10-22 11:25:13,993 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 791) no Hoare annotation was computed. [2019-10-22 11:25:13,994 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 774 791) no Hoare annotation was computed. [2019-10-22 11:25:13,994 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 791) no Hoare annotation was computed. [2019-10-22 11:25:13,994 INFO L439 ceAbstractionStarter]: At program point L742(lines 741 760) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,994 INFO L443 ceAbstractionStarter]: For program point L742-1(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:25:13,996 INFO L439 ceAbstractionStarter]: At program point L742-2(lines 741 760) the Hoare annotation is: false [2019-10-22 11:25:13,996 INFO L439 ceAbstractionStarter]: At program point L742-3(lines 741 760) the Hoare annotation is: false [2019-10-22 11:25:13,997 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:13,997 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,997 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 11:25:13,997 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-10-22 11:25:13,997 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-10-22 11:25:13,998 INFO L443 ceAbstractionStarter]: For program point L677(lines 676 723) no Hoare annotation was computed. [2019-10-22 11:25:13,998 INFO L446 ceAbstractionStarter]: At program point L165-1(lines 165 172) the Hoare annotation is: true [2019-10-22 11:25:13,998 INFO L443 ceAbstractionStarter]: For program point L198-3(lines 198 202) no Hoare annotation was computed. [2019-10-22 11:25:13,998 INFO L443 ceAbstractionStarter]: For program point L198-6(lines 198 202) no Hoare annotation was computed. [2019-10-22 11:25:13,998 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 294) no Hoare annotation was computed. [2019-10-22 11:25:13,998 INFO L439 ceAbstractionStarter]: At program point L281-1(lines 1 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,998 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 294) no Hoare annotation was computed. [2019-10-22 11:25:13,999 INFO L439 ceAbstractionStarter]: At program point L281-3(lines 1 881) the Hoare annotation is: false [2019-10-22 11:25:13,999 INFO L443 ceAbstractionStarter]: For program point L281-4(lines 281 294) no Hoare annotation was computed. [2019-10-22 11:25:13,999 INFO L439 ceAbstractionStarter]: At program point L281-5(lines 1 881) the Hoare annotation is: false [2019-10-22 11:25:13,999 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-22 11:25:13,999 INFO L439 ceAbstractionStarter]: At program point L827(lines 822 830) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,999 INFO L439 ceAbstractionStarter]: At program point L827-1(lines 822 830) the Hoare annotation is: false [2019-10-22 11:25:13,999 INFO L439 ceAbstractionStarter]: At program point L827-2(lines 822 830) the Hoare annotation is: false [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L183-1(line 183) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L183-2(line 183) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L778-1(lines 778 786) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L443 ceAbstractionStarter]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2019-10-22 11:25:14,000 INFO L439 ceAbstractionStarter]: At program point L712-1(lines 742 748) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:14 BoogieIcfgContainer [2019-10-22 11:25:14,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:14,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:14,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:14,016 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:14,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12" (3/4) ... [2019-10-22 11:25:14,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:14,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:14,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:25:14,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:25:14,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:14,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:14,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:14,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc335c2d-99ef-46f6-a2f3-288da631cad5/bin/utaipan/witness.graphml [2019-10-22 11:25:14,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:14,112 INFO L168 Benchmark]: Toolchain (without parser) took 2823.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.1 MB in the beginning and 935.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 146.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,112 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:14,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.1 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,113 INFO L168 Benchmark]: Boogie Preprocessor took 56.45 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,113 INFO L168 Benchmark]: RCFGBuilder took 716.90 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,113 INFO L168 Benchmark]: TraceAbstraction took 1305.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.6 MB in the end (delta: 114.2 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,114 INFO L168 Benchmark]: Witness Printer took 94.42 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 935.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.1 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.45 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 716.90 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1305.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.6 MB in the end (delta: 114.2 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. * Witness Printer took 94.42 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 935.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: 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: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 310 SDtfs, 288 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, 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, 5 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...