./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.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_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/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 82f74870a567ad4799d16040af8f13b048c16754 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:26:10,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:10,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:10,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:10,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:10,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:10,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:10,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:10,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:10,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:10,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:10,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:10,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:10,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:10,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:10,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:10,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:10,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:10,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:10,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:10,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:10,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:10,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:10,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:10,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:10,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:10,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:10,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:10,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:10,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:10,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:10,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:10,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:10,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:10,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:10,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:10,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:10,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:10,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:10,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:10,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:10,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:10,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:10,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:10,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:10,381 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:10,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:10,382 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:10,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:10,382 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:10,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:10,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:10,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:10,383 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:10,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:10,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:10,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:10,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:10,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:10,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:10,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:10,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:10,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:10,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:10,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:10,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:10,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:10,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:10,388 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:10,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:10,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:10,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:10,389 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_d3d17a75-841a-4813-9584-f547363bc195/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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2019-10-22 11:26:10,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:10,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:10,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:10,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:10,432 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:10,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2019-10-22 11:26:10,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/data/a8b7f5bdd/c95f78c2848449f2aa6289e9b5e3f393/FLAG727d6beb3 [2019-10-22 11:26:10,940 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:10,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2019-10-22 11:26:10,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/data/a8b7f5bdd/c95f78c2848449f2aa6289e9b5e3f393/FLAG727d6beb3 [2019-10-22 11:26:11,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/data/a8b7f5bdd/c95f78c2848449f2aa6289e9b5e3f393 [2019-10-22 11:26:11,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:11,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:11,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:11,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:11,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:11,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e8593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11, skipping insertion in model container [2019-10-22 11:26:11,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:11,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:11,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:11,731 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:11,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:11,854 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:11,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11 WrapperNode [2019-10-22 11:26:11,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:11,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:11,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:11,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:11,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:11,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:11,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:11,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:11,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... [2019-10-22 11:26:11,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:11,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:11,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:11,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:11,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/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 11:26:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:13,000 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:13,000 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-10-22 11:26:13,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:13 BoogieIcfgContainer [2019-10-22 11:26:13,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:13,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:13,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:13,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:13,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:11" (1/3) ... [2019-10-22 11:26:13,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9805321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:13, skipping insertion in model container [2019-10-22 11:26:13,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:11" (2/3) ... [2019-10-22 11:26:13,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9805321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:13, skipping insertion in model container [2019-10-22 11:26:13,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:13" (3/3) ... [2019-10-22 11:26:13,011 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2019-10-22 11:26:13,020 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:13,027 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:13,035 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:13,058 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:13,058 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:13,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:13,058 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:13,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:13,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:13,059 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:13,059 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-10-22 11:26:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:13,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:13,087 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:13,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:13,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:13,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2019-10-22 11:26:13,099 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:13,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931548942] [2019-10-22 11:26:13,100 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,100 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,330 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 11:26:13,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931548942] [2019-10-22 11:26:13,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:13,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:13,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706487101] [2019-10-22 11:26:13,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:13,336 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:13,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:13,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:13,349 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-10-22 11:26:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:13,384 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-10-22 11:26:13,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:13,386 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:13,398 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:26:13,398 INFO L226 Difference]: Without dead ends: 101 [2019-10-22 11:26:13,406 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 11:26:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-22 11:26:13,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-22 11:26:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-22 11:26:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-10-22 11:26:13,457 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-10-22 11:26:13,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:13,457 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-10-22 11:26:13,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-10-22 11:26:13,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:13,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:13,458 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 11:26:13,459 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:13,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:13,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2019-10-22 11:26:13,462 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:13,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691501658] [2019-10-22 11:26:13,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,578 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 11:26:13,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691501658] [2019-10-22 11:26:13,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:13,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:13,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244749860] [2019-10-22 11:26:13,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:13,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:13,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:13,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:13,582 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-10-22 11:26:13,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:13,594 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-10-22 11:26:13,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:13,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:13,596 INFO L225 Difference]: With dead ends: 101 [2019-10-22 11:26:13,596 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 11:26:13,597 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 11:26:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 11:26:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-22 11:26:13,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 11:26:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-10-22 11:26:13,603 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-10-22 11:26:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:13,603 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-10-22 11:26:13,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-10-22 11:26:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:13,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:13,604 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 11:26:13,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:13,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2019-10-22 11:26:13,605 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:13,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952767999] [2019-10-22 11:26:13,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,706 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 11:26:13,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952767999] [2019-10-22 11:26:13,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:13,707 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:13,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623653000] [2019-10-22 11:26:13,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:13,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:13,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:13,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:13,709 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2019-10-22 11:26:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:13,733 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-10-22 11:26:13,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:13,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:26:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:13,734 INFO L225 Difference]: With dead ends: 80 [2019-10-22 11:26:13,734 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 11:26:13,735 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 11:26:13,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 11:26:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-22 11:26:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 11:26:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-10-22 11:26:13,740 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-10-22 11:26:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:13,740 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-10-22 11:26:13,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-10-22 11:26:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:13,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:13,742 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 11:26:13,742 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:13,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:13,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2019-10-22 11:26:13,742 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:13,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816169889] [2019-10-22 11:26:13,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:13,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,837 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 11:26:13,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816169889] [2019-10-22 11:26:13,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:13,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:13,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337444724] [2019-10-22 11:26:13,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:26:13,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:13,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:26:13,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:13,840 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2019-10-22 11:26:14,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:14,134 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2019-10-22 11:26:14,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:14,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-10-22 11:26:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:14,137 INFO L225 Difference]: With dead ends: 286 [2019-10-22 11:26:14,138 INFO L226 Difference]: Without dead ends: 249 [2019-10-22 11:26:14,138 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:26:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-10-22 11:26:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2019-10-22 11:26:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 11:26:14,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2019-10-22 11:26:14,159 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2019-10-22 11:26:14,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:14,159 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2019-10-22 11:26:14,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:26:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2019-10-22 11:26:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:14,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:14,161 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 11:26:14,161 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:14,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:14,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2019-10-22 11:26:14,162 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:14,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545653146] [2019-10-22 11:26:14,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:14,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:14,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:14,247 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 11:26:14,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545653146] [2019-10-22 11:26:14,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:14,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:14,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531733149] [2019-10-22 11:26:14,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:14,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:14,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:14,249 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2019-10-22 11:26:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:14,271 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2019-10-22 11:26:14,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:14,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:26:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:14,273 INFO L225 Difference]: With dead ends: 165 [2019-10-22 11:26:14,273 INFO L226 Difference]: Without dead ends: 63 [2019-10-22 11:26:14,274 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 11:26:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-10-22 11:26:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-10-22 11:26:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:26:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2019-10-22 11:26:14,288 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2019-10-22 11:26:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:14,289 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2019-10-22 11:26:14,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-10-22 11:26:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 11:26:14,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:14,290 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:14,291 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:14,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2019-10-22 11:26:14,293 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:14,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448699180] [2019-10-22 11:26:14,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:14,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:14,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 11:26:14,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448699180] [2019-10-22 11:26:14,396 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:14,396 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:14,396 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733799437] [2019-10-22 11:26:14,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:14,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:14,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:14,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:14,397 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 5 states. [2019-10-22 11:26:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:14,469 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2019-10-22 11:26:14,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:14,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 11:26:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:14,472 INFO L225 Difference]: With dead ends: 125 [2019-10-22 11:26:14,472 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:14,473 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 11:26:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:14,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:14,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-10-22 11:26:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:14,475 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:14,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:14,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:14,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:14,747 INFO L439 ceAbstractionStarter]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:14,747 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,747 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point L535-2(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2019-10-22 11:26:14,748 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 246 263) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 263) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L439 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-22 11:26:14,749 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-3(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-5(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-6(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-8(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-9(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-11(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,750 INFO L443 ceAbstractionStarter]: For program point L348-12(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L348-14(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L348-15(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L348-17(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L250-1(lines 250 258) no Hoare annotation was computed. [2019-10-22 11:26:14,751 INFO L443 ceAbstractionStarter]: For program point L250-2(lines 250 258) no Hoare annotation was computed. [2019-10-22 11:26:14,752 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2019-10-22 11:26:14,752 INFO L439 ceAbstractionStarter]: At program point L548-1(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,752 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 561) no Hoare annotation was computed. [2019-10-22 11:26:14,752 INFO L439 ceAbstractionStarter]: At program point L548-3(lines 1 930) the Hoare annotation is: false [2019-10-22 11:26:14,752 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2019-10-22 11:26:14,752 INFO L443 ceAbstractionStarter]: For program point L548-4(lines 548 561) no Hoare annotation was computed. [2019-10-22 11:26:14,753 INFO L439 ceAbstractionStarter]: At program point L548-5(lines 1 930) the Hoare annotation is: false [2019-10-22 11:26:14,753 INFO L439 ceAbstractionStarter]: At program point L416-2(lines 188 194) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,753 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:14,753 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:26:14,753 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:26:14,753 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:26:14,753 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 188 194) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L446 ceAbstractionStarter]: At program point L517-1(lines 517 524) the Hoare annotation is: true [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L220-1(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L220-2(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,754 INFO L443 ceAbstractionStarter]: For program point L220-3(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,755 INFO L443 ceAbstractionStarter]: For program point L220-4(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,756 INFO L443 ceAbstractionStarter]: For program point L220-5(lines 220 237) no Hoare annotation was computed. [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L188(lines 187 206) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,757 INFO L443 ceAbstractionStarter]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L188-2(lines 187 206) the Hoare annotation is: false [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L188-3(lines 187 206) the Hoare annotation is: false [2019-10-22 11:26:14,757 INFO L439 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-10-22 11:26:14,758 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2019-10-22 11:26:14,758 INFO L443 ceAbstractionStarter]: For program point L552-2(lines 552 558) no Hoare annotation was computed. [2019-10-22 11:26:14,758 INFO L443 ceAbstractionStarter]: For program point L552-4(lines 552 558) no Hoare annotation was computed. [2019-10-22 11:26:14,758 INFO L439 ceAbstractionStarter]: At program point L354(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,758 INFO L439 ceAbstractionStarter]: At program point L354-1(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,758 INFO L439 ceAbstractionStarter]: At program point L354-2(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,758 INFO L439 ceAbstractionStarter]: At program point L354-3(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L439 ceAbstractionStarter]: At program point L354-4(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L439 ceAbstractionStarter]: At program point L354-5(lines 339 357) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-10-22 11:26:14,759 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2019-10-22 11:26:14,760 INFO L439 ceAbstractionStarter]: At program point L388-1(lines 388 394) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,760 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:14,760 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-10-22 11:26:14,760 INFO L439 ceAbstractionStarter]: At program point L290(lines 283 293) the Hoare annotation is: false [2019-10-22 11:26:14,761 INFO L439 ceAbstractionStarter]: At program point L290-1(lines 283 293) the Hoare annotation is: false [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,762 INFO L439 ceAbstractionStarter]: At program point L290-2(lines 283 293) the Hoare annotation is: false [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224-1(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224-3(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224-4(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,762 INFO L443 ceAbstractionStarter]: For program point L224-5(lines 224 232) no Hoare annotation was computed. [2019-10-22 11:26:14,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:14,763 INFO L439 ceAbstractionStarter]: At program point L161(lines 1 930) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:14,763 INFO L439 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: false [2019-10-22 11:26:14,763 INFO L439 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,763 INFO L439 ceAbstractionStarter]: At program point L195-1(lines 195 201) the Hoare annotation is: false [2019-10-22 11:26:14,764 INFO L439 ceAbstractionStarter]: At program point L195-2(lines 195 201) the Hoare annotation is: false [2019-10-22 11:26:14,764 INFO L446 ceAbstractionStarter]: At program point L526(lines 507 529) the Hoare annotation is: true [2019-10-22 11:26:14,764 INFO L439 ceAbstractionStarter]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:14,764 INFO L439 ceAbstractionStarter]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,764 INFO L439 ceAbstractionStarter]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,764 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 11:26:14,764 INFO L439 ceAbstractionStarter]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,765 INFO L439 ceAbstractionStarter]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,765 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:14,765 INFO L439 ceAbstractionStarter]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,765 INFO L439 ceAbstractionStarter]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-10-22 11:26:14,765 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2019-10-22 11:26:14,765 INFO L439 ceAbstractionStarter]: At program point L398-1(lines 398 404) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,765 INFO L439 ceAbstractionStarter]: At program point L299(lines 294 302) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:14,766 INFO L439 ceAbstractionStarter]: At program point L299-1(lines 294 302) the Hoare annotation is: false [2019-10-22 11:26:14,766 INFO L439 ceAbstractionStarter]: At program point L299-2(lines 294 302) the Hoare annotation is: false [2019-10-22 11:26:14,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:14 BoogieIcfgContainer [2019-10-22 11:26:14,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:14,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:14,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:14,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:14,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:13" (3/4) ... [2019-10-22 11:26:14,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:14,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:14,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:26:14,823 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:14,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:14,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:14,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:14,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:26:14,978 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3d17a75-841a-4813-9584-f547363bc195/bin/utaipan/witness.graphml [2019-10-22 11:26:14,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:14,980 INFO L168 Benchmark]: Toolchain (without parser) took 3722.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 214.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:14,980 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:14,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:14,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.28 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 11:26:14,981 INFO L168 Benchmark]: Boogie Preprocessor took 48.07 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 11:26:14,981 INFO L168 Benchmark]: RCFGBuilder took 1026.89 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:14,982 INFO L168 Benchmark]: TraceAbstraction took 1785.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.9 MB in the end (delta: 162.1 MB). Peak memory consumption was 162.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:14,982 INFO L168 Benchmark]: Witness Printer took 190.50 ms. Allocated memory is still 1.2 GB. Free memory was 893.9 MB in the beginning and 1.1 GB in the end (delta: -238.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:14,992 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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.28 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. * Boogie Preprocessor took 48.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1026.89 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1785.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.9 MB in the end (delta: 162.1 MB). Peak memory consumption was 162.1 MB. Max. memory is 11.5 GB. * Witness Printer took 190.50 ms. Allocated memory is still 1.2 GB. Free memory was 893.9 MB in the beginning and 1.1 GB in the end (delta: -238.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: 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: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 436 SDtfs, 644 SDslu, 498 SDs, 0 SdLazy, 114 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 92 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1782 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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...