./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.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_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:58,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:58,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:58,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:58,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:58,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:58,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:58,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:58,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:58,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:58,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:58,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:58,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:58,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:58,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:58,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:58,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:58,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:58,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:58,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:58,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:58,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:58,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:58,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:58,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:58,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:58,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:58,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:58,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:58,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:58,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:58,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:58,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:58,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:58,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:58,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:58,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:58,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:58,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:58,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:58,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:58,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:58,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:58,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:58,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:58,367 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:58,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:58,367 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:58,367 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:58,367 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:58,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:58,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:58,368 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:58,368 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:58,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:58,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:58,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:58,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:58,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:58,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:58,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:58,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:58,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:58,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:58,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:58,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:58,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:58,372 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_f53f6a36-5df9-42aa-a326-60537cae9818/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-10-22 11:24:58,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:58,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:58,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:58,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:58,417 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:58,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-10-22 11:24:58,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/data/1a6068462/12eded78a0b147688d477e697093e929/FLAG89da1c86f [2019-10-22 11:24:58,900 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:58,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-10-22 11:24:58,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/data/1a6068462/12eded78a0b147688d477e697093e929/FLAG89da1c86f [2019-10-22 11:24:59,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/data/1a6068462/12eded78a0b147688d477e697093e929 [2019-10-22 11:24:59,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:59,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:59,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:59,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:59,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:59,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6156a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59, skipping insertion in model container [2019-10-22 11:24:59,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:59,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:59,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:59,667 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:59,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:59,762 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:59,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59 WrapperNode [2019-10-22 11:24:59,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:59,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:59,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:59,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:59,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:59,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:59,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:59,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:59,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... [2019-10-22 11:24:59,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:59,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:59,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:59,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:59,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:00,656 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:00,656 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 11:25:00,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:00 BoogieIcfgContainer [2019-10-22 11:25:00,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:00,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:00,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:00,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:00,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:59" (1/3) ... [2019-10-22 11:25:00,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7033dfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:00, skipping insertion in model container [2019-10-22 11:25:00,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:59" (2/3) ... [2019-10-22 11:25:00,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7033dfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:00, skipping insertion in model container [2019-10-22 11:25:00,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:00" (3/3) ... [2019-10-22 11:25:00,667 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-10-22 11:25:00,675 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:00,682 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:00,694 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:00,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:00,729 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:00,729 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:00,729 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:00,729 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:00,729 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:00,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:00,729 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-22 11:25:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:25:00,753 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:00,754 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:00,756 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:00,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:00,761 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2019-10-22 11:25:00,767 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:00,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888958558] [2019-10-22 11:25:00,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:00,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:00,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:00,976 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 11:25:00,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888958558] [2019-10-22 11:25:00,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:00,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:00,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775844411] [2019-10-22 11:25:00,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:00,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:00,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:00,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:00,993 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-10-22 11:25:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:01,017 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2019-10-22 11:25:01,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:01,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:25:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:01,029 INFO L225 Difference]: With dead ends: 239 [2019-10-22 11:25:01,029 INFO L226 Difference]: Without dead ends: 119 [2019-10-22 11:25:01,031 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 11:25:01,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-22 11:25:01,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-22 11:25:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 11:25:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2019-10-22 11:25:01,065 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2019-10-22 11:25:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:01,065 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2019-10-22 11:25:01,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2019-10-22 11:25:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:25:01,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:01,066 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:01,066 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:01,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:01,067 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2019-10-22 11:25:01,067 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:01,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023917136] [2019-10-22 11:25:01,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:01,189 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 11:25:01,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023917136] [2019-10-22 11:25:01,190 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:01,190 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:01,190 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657946578] [2019-10-22 11:25:01,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:01,191 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:01,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:01,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:01,192 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2019-10-22 11:25:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:01,204 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-10-22 11:25:01,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:01,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:25:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:01,205 INFO L225 Difference]: With dead ends: 119 [2019-10-22 11:25:01,205 INFO L226 Difference]: Without dead ends: 51 [2019-10-22 11:25:01,206 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 11:25:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-10-22 11:25:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-10-22 11:25:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 11:25:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-10-22 11:25:01,212 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2019-10-22 11:25:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:01,212 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-10-22 11:25:01,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-10-22 11:25:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:01,213 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:01,213 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 11:25:01,214 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:01,214 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2019-10-22 11:25:01,214 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:01,214 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372845032] [2019-10-22 11:25:01,214 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:01,327 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 11:25:01,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372845032] [2019-10-22 11:25:01,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:01,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:01,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661132376] [2019-10-22 11:25:01,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:01,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:01,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:01,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:01,328 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2019-10-22 11:25:01,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:01,467 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2019-10-22 11:25:01,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:01,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 11:25:01,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:01,468 INFO L225 Difference]: With dead ends: 163 [2019-10-22 11:25:01,468 INFO L226 Difference]: Without dead ends: 119 [2019-10-22 11:25:01,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-22 11:25:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2019-10-22 11:25:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 11:25:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-10-22 11:25:01,480 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2019-10-22 11:25:01,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:01,480 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-10-22 11:25:01,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-10-22 11:25:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:25:01,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:01,484 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, 1] [2019-10-22 11:25:01,484 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:01,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2019-10-22 11:25:01,484 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:01,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832108784] [2019-10-22 11:25:01,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:01,553 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 11:25:01,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832108784] [2019-10-22 11:25:01,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:01,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:01,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642719339] [2019-10-22 11:25:01,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:01,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:01,554 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2019-10-22 11:25:01,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:01,611 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-10-22 11:25:01,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:01,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:25:01,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:01,613 INFO L225 Difference]: With dead ends: 157 [2019-10-22 11:25:01,613 INFO L226 Difference]: Without dead ends: 93 [2019-10-22 11:25:01,614 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 11:25:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-22 11:25:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-10-22 11:25:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-22 11:25:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2019-10-22 11:25:01,626 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2019-10-22 11:25:01,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:01,626 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2019-10-22 11:25:01,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2019-10-22 11:25:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:25:01,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:01,627 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, 1, 1] [2019-10-22 11:25:01,628 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:01,628 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2019-10-22 11:25:01,628 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:01,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335304440] [2019-10-22 11:25:01,629 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,629 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:01,725 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 11:25:01,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335304440] [2019-10-22 11:25:01,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:01,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:01,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39291302] [2019-10-22 11:25:01,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:01,726 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:01,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:01,727 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2019-10-22 11:25:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:01,845 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2019-10-22 11:25:01,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:25:01,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:25:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:01,851 INFO L225 Difference]: With dead ends: 452 [2019-10-22 11:25:01,851 INFO L226 Difference]: Without dead ends: 368 [2019-10-22 11:25:01,852 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-10-22 11:25:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2019-10-22 11:25:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-22 11:25:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2019-10-22 11:25:01,884 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2019-10-22 11:25:01,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:01,884 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2019-10-22 11:25:01,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2019-10-22 11:25:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 11:25:01,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:01,892 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, 1, 1, 1] [2019-10-22 11:25:01,893 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2019-10-22 11:25:01,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:01,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897761797] [2019-10-22 11:25:01,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:01,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:01,983 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 11:25:01,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897761797] [2019-10-22 11:25:01,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:01,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:01,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951821552] [2019-10-22 11:25:01,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:01,984 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:01,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:01,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:01,985 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2019-10-22 11:25:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:02,131 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2019-10-22 11:25:02,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:25:02,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-10-22 11:25:02,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:02,133 INFO L225 Difference]: With dead ends: 605 [2019-10-22 11:25:02,133 INFO L226 Difference]: Without dead ends: 448 [2019-10-22 11:25:02,134 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-22 11:25:02,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2019-10-22 11:25:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-10-22 11:25:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2019-10-22 11:25:02,153 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2019-10-22 11:25:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:02,153 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2019-10-22 11:25:02,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2019-10-22 11:25:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:25:02,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:02,154 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:02,155 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2019-10-22 11:25:02,155 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:02,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240332421] [2019-10-22 11:25:02,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:02,202 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 11:25:02,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240332421] [2019-10-22 11:25:02,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:02,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:02,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801729536] [2019-10-22 11:25:02,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:02,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:02,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:02,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:02,204 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2019-10-22 11:25:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:02,280 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2019-10-22 11:25:02,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:02,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:25:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:02,282 INFO L225 Difference]: With dead ends: 479 [2019-10-22 11:25:02,282 INFO L226 Difference]: Without dead ends: 324 [2019-10-22 11:25:02,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 11:25:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-10-22 11:25:02,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2019-10-22 11:25:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-10-22 11:25:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2019-10-22 11:25:02,298 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2019-10-22 11:25:02,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:02,298 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2019-10-22 11:25:02,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2019-10-22 11:25:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:25:02,299 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:02,299 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:02,300 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:02,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:02,300 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2019-10-22 11:25:02,300 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:02,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568479656] [2019-10-22 11:25:02,300 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:02,345 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 11:25:02,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568479656] [2019-10-22 11:25:02,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:02,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:25:02,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450611087] [2019-10-22 11:25:02,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:02,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:02,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:02,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:02,347 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2019-10-22 11:25:02,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:02,448 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2019-10-22 11:25:02,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:25:02,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 11:25:02,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:02,451 INFO L225 Difference]: With dead ends: 513 [2019-10-22 11:25:02,451 INFO L226 Difference]: Without dead ends: 346 [2019-10-22 11:25:02,451 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:25:02,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-10-22 11:25:02,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2019-10-22 11:25:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-22 11:25:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2019-10-22 11:25:02,473 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2019-10-22 11:25:02,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:02,474 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2019-10-22 11:25:02,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2019-10-22 11:25:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:25:02,475 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:02,475 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:02,475 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:02,475 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2019-10-22 11:25:02,476 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:02,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180052901] [2019-10-22 11:25:02,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:02,521 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 11:25:02,522 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180052901] [2019-10-22 11:25:02,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:02,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:02,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500615446] [2019-10-22 11:25:02,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:02,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:02,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:02,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:02,523 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2019-10-22 11:25:02,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:02,601 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2019-10-22 11:25:02,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:02,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:25:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:02,603 INFO L225 Difference]: With dead ends: 445 [2019-10-22 11:25:02,603 INFO L226 Difference]: Without dead ends: 270 [2019-10-22 11:25:02,603 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 11:25:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-22 11:25:02,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-10-22 11:25:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-10-22 11:25:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2019-10-22 11:25:02,628 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2019-10-22 11:25:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:02,628 INFO L462 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2019-10-22 11:25:02,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2019-10-22 11:25:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:25:02,636 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:02,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:02,636 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:02,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:02,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2019-10-22 11:25:02,637 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:02,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103838288] [2019-10-22 11:25:02,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:02,691 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 11:25:02,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103838288] [2019-10-22 11:25:02,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:02,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:02,692 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323394300] [2019-10-22 11:25:02,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:02,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:02,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:02,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:02,692 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2019-10-22 11:25:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:02,750 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2019-10-22 11:25:02,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:02,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:25:02,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:02,751 INFO L225 Difference]: With dead ends: 389 [2019-10-22 11:25:02,752 INFO L226 Difference]: Without dead ends: 387 [2019-10-22 11:25:02,752 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 11:25:02,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-22 11:25:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2019-10-22 11:25:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-22 11:25:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2019-10-22 11:25:02,781 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2019-10-22 11:25:02,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:02,782 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2019-10-22 11:25:02,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2019-10-22 11:25:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:25:02,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:02,783 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:02,783 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:02,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2019-10-22 11:25:02,784 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:02,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864258250] [2019-10-22 11:25:02,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:02,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:02,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864258250] [2019-10-22 11:25:02,876 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:02,876 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:25:02,876 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352937333] [2019-10-22 11:25:02,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:02,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:02,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:02,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:02,877 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2019-10-22 11:25:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:03,162 INFO L93 Difference]: Finished difference Result 1761 states and 2425 transitions. [2019-10-22 11:25:03,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:25:03,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-22 11:25:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:03,167 INFO L225 Difference]: With dead ends: 1761 [2019-10-22 11:25:03,168 INFO L226 Difference]: Without dead ends: 1540 [2019-10-22 11:25:03,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:25:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-10-22 11:25:03,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 545. [2019-10-22 11:25:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-10-22 11:25:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 736 transitions. [2019-10-22 11:25:03,226 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 736 transitions. Word has length 58 [2019-10-22 11:25:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:03,227 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 736 transitions. [2019-10-22 11:25:03,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 736 transitions. [2019-10-22 11:25:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:25:03,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:03,228 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:03,228 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:03,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:03,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2019-10-22 11:25:03,229 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:03,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490291297] [2019-10-22 11:25:03,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:25:03,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490291297] [2019-10-22 11:25:03,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:03,301 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:25:03,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935322544] [2019-10-22 11:25:03,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:25:03,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:03,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:25:03,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:25:03,302 INFO L87 Difference]: Start difference. First operand 545 states and 736 transitions. Second operand 7 states. [2019-10-22 11:25:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:03,434 INFO L93 Difference]: Finished difference Result 1208 states and 1617 transitions. [2019-10-22 11:25:03,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:25:03,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-22 11:25:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:03,438 INFO L225 Difference]: With dead ends: 1208 [2019-10-22 11:25:03,438 INFO L226 Difference]: Without dead ends: 758 [2019-10-22 11:25:03,439 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:25:03,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2019-10-22 11:25:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2019-10-22 11:25:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-22 11:25:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2019-10-22 11:25:03,478 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2019-10-22 11:25:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:03,478 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2019-10-22 11:25:03,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:25:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2019-10-22 11:25:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:25:03,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:03,479 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-10-22 11:25:03,479 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:03,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2019-10-22 11:25:03,480 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:03,480 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875175109] [2019-10-22 11:25:03,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:03,538 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875175109] [2019-10-22 11:25:03,538 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:03,539 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:03,539 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066287854] [2019-10-22 11:25:03,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:03,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:03,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:03,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:03,540 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2019-10-22 11:25:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:03,648 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-10-22 11:25:03,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:03,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 11:25:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:03,650 INFO L225 Difference]: With dead ends: 634 [2019-10-22 11:25:03,650 INFO L226 Difference]: Without dead ends: 363 [2019-10-22 11:25:03,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 11:25:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-10-22 11:25:03,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2019-10-22 11:25:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-22 11:25:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2019-10-22 11:25:03,686 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2019-10-22 11:25:03,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:03,687 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2019-10-22 11:25:03,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2019-10-22 11:25:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 11:25:03,688 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:03,688 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:03,688 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:03,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:03,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2019-10-22 11:25:03,688 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:03,688 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974326671] [2019-10-22 11:25:03,689 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,689 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:03,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:25:03,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974326671] [2019-10-22 11:25:03,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:03,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:03,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289020489] [2019-10-22 11:25:03,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:03,726 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:03,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:03,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:03,726 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2019-10-22 11:25:03,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:03,802 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2019-10-22 11:25:03,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:03,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-22 11:25:03,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:03,803 INFO L225 Difference]: With dead ends: 707 [2019-10-22 11:25:03,803 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:03,804 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 11:25:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:03,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-22 11:25:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:03,805 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:03,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:03,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:03,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:04,200 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 214 [2019-10-22 11:25:04,409 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2019-10-22 11:25:04,693 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2019-10-22 11:25:04,976 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 214 [2019-10-22 11:25:05,303 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2019-10-22 11:25:05,603 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2019-10-22 11:25:05,823 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2019-10-22 11:25:05,986 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 187 [2019-10-22 11:25:07,073 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2019-10-22 11:25:07,834 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2019-10-22 11:25:08,086 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-10-22 11:25:08,722 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 25 [2019-10-22 11:25:09,583 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 33 [2019-10-22 11:25:09,968 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-10-22 11:25:10,327 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2019-10-22 11:25:10,604 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2019-10-22 11:25:11,367 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2019-10-22 11:25:11,941 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 26 [2019-10-22 11:25:12,527 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2019-10-22 11:25:12,554 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-10-22 11:25:12,554 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L399(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse3 (and .cse0 .cse1 (and .cse2 (= 0 ~methaneLevelCritical~0)))) (and .cse0 .cse1 (and (= ~pumpRunning~0 0) .cse4))))) [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-10-22 11:25:12,555 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-10-22 11:25:12,555 INFO L446 ceAbstractionStarter]: At program point L599-1(lines 599 606) the Hoare annotation is: true [2019-10-22 11:25:12,555 INFO L439 ceAbstractionStarter]: At program point L501(lines 492 505) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L501-1(lines 492 505) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (and (and .cse2 (= 0 ~methaneLevelCritical~0)) .cse3) .cse4))) [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L501-2(lines 492 505) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L501-3(lines 492 505) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L501-4(lines 492 505) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L501-5(lines 492 505) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L240(lines 235 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and (and .cse0 .cse1 (and (not (= 0 ~systemActive~0)) .cse3) (<= 2 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0)) (not .cse2)))) [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L439 ceAbstractionStarter]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-10-22 11:25:12,556 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:25:12,557 INFO L439 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (and (and .cse0 .cse1) .cse2 .cse3) (= 0 ~methAndRunningLastTime~0)) (and (and .cse2 .cse3 (<= 2 ~waterLevel~0) (and (not (= 0 ~systemActive~0)) .cse1)) (not .cse0)))) [2019-10-22 11:25:12,557 INFO L439 ceAbstractionStarter]: At program point L407(lines 402 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:12,557 INFO L439 ceAbstractionStarter]: At program point L341(lines 336 343) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-10-22 11:25:12,557 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,557 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,557 INFO L443 ceAbstractionStarter]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,557 INFO L443 ceAbstractionStarter]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,557 INFO L443 ceAbstractionStarter]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,558 INFO L443 ceAbstractionStarter]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:25:12,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,558 INFO L446 ceAbstractionStarter]: At program point L608(lines 589 611) the Hoare annotation is: true [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L575(lines 571 577) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-10-22 11:25:12,558 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L511(lines 506 514) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L314(lines 299 317) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-10-22 11:25:12,558 INFO L439 ceAbstractionStarter]: At program point L314-1(lines 299 317) the Hoare annotation is: false [2019-10-22 11:25:12,559 INFO L439 ceAbstractionStarter]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L439 ceAbstractionStarter]: At program point L352-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and (<= 2 ~waterLevel~0) (and (not (= 0 ~systemActive~0)) .cse2)) (not .cse3)) (and (and .cse0 .cse1 .cse3 .cse2) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L439 ceAbstractionStarter]: At program point L352-3(lines 1 986) the Hoare annotation is: false [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:25:12,559 INFO L439 ceAbstractionStarter]: At program point L352-5(lines 1 986) the Hoare annotation is: false [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L617-2(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:25:12,560 INFO L439 ceAbstractionStarter]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6))) (let ((.cse4 (and (and .cse2 .cse3) .cse0 .cse1))) (or (and .cse0 .cse1 (and (= 0 ~methaneLevelCritical~0) .cse2 .cse3)) (and .cse4 (= 0 ~methAndRunningLastTime~0)) (and (<= 2 ~waterLevel~0) .cse4)))) [2019-10-22 11:25:12,561 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:12,561 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and .cse5 .cse6)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse1 .cse3 (= 0 ~methAndRunningLastTime~0)) (and (and .cse0 .cse1 (and (= 0 ~methaneLevelCritical~0) .cse5 .cse6)) .cse4) (and (and .cse0 .cse1 .cse2 (and (not .cse4) .cse6)) (not .cse5))))) [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-9(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-11(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-12(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-14(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,562 INFO L443 ceAbstractionStarter]: For program point L289-15(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L289-17(lines 289 293) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L356-2(lines 356 366) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L356-4(lines 356 366) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:25:12,563 INFO L439 ceAbstractionStarter]: At program point L456(lines 451 459) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6))) (or (and .cse0 .cse1 (and .cse2 .cse3 (= 0 ~methAndRunningLastTime~0))) (and .cse0 .cse1 (and .cse3 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and (and (= ~pumpRunning~0 0) .cse4) .cse0 .cse1)))) [2019-10-22 11:25:12,563 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2019-10-22 11:25:12,563 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:25:12,564 INFO L439 ceAbstractionStarter]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (and .cse4 .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6))) (or (and (and .cse0 .cse1 (not (= 0 ~waterLevel~0)) (and (not .cse2) .cse3)) (not .cse4)) (and (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse5) .cse2) (and .cse0 .cse1 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (and (= 0 ~methaneLevelCritical~0) .cse4 .cse3))))) [2019-10-22 11:25:12,564 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:25:12,565 INFO L439 ceAbstractionStarter]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-10-22 11:25:12,565 INFO L439 ceAbstractionStarter]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295-1(lines 280 298) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 .cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse4) (and .cse0 .cse1 (and (and .cse2 (= 0 ~methaneLevelCritical~0)) .cse4) .cse3))) [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295-3(lines 280 298) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295-4(lines 280 298) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L295-5(lines 280 298) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L527-2(lines 527 541) the Hoare annotation is: false [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L439 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and (<= 2 ~waterLevel~0) (and (not (= 0 ~systemActive~0)) .cse2)) (not .cse3)) (and (and .cse0 .cse1 .cse3 .cse2) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,566 INFO L443 ceAbstractionStarter]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496-3(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L496-5(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:25:12,567 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:25:12,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:12 BoogieIcfgContainer [2019-10-22 11:25:12,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:12,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:12,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:12,611 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:12,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:00" (3/4) ... [2019-10-22 11:25:12,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:12,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:12,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:25:12,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:25:12,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:12,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:12,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:12,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-10-22 11:25:12,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-10-22 11:25:12,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-10-22 11:25:12,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:25:12,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:25:12,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 0 == methAndRunningLastTime) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 11:25:12,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 11:25:12,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:25:12,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 0 == methAndRunningLastTime) || (2 <= waterLevel && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 11:25:12,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) || ((((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 0 == methAndRunningLastTime)) || (2 <= waterLevel && ((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) [2019-10-22 11:25:12,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && (2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 2 <= waterLevel)) || (((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) [2019-10-22 11:25:12,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-10-22 11:25:12,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && !(\result == 0)) && pumpRunning == 0) || (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && pumpRunning == 0) && 2 <= waterLevel) [2019-10-22 11:25:12,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) [2019-10-22 11:25:12,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-10-22 11:25:12,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) || ((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0)) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && pumpRunning == 0) && 2 <= waterLevel) [2019-10-22 11:25:12,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f53f6a36-5df9-42aa-a326-60537cae9818/bin/utaipan/witness.graphml [2019-10-22 11:25:12,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:12,735 INFO L168 Benchmark]: Toolchain (without parser) took 13469.14 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 519.0 MB). Free memory was 939.1 MB in the beginning and 977.5 MB in the end (delta: -38.4 MB). Peak memory consumption was 480.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,735 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:12,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.44 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 11:25:12,736 INFO L168 Benchmark]: Boogie Preprocessor took 43.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,736 INFO L168 Benchmark]: RCFGBuilder took 795.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,736 INFO L168 Benchmark]: TraceAbstraction took 11950.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 352.3 MB). Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 71.1 MB). Peak memory consumption was 492.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,737 INFO L168 Benchmark]: Witness Printer took 123.22 ms. Allocated memory is still 1.5 GB. Free memory was 995.6 MB in the beginning and 977.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:12,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 496.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 795.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11950.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 352.3 MB). Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 71.1 MB). Peak memory consumption was 492.1 MB. Max. memory is 11.5 GB. * Witness Printer took 123.22 ms. Allocated memory is still 1.5 GB. Free memory was 995.6 MB in the beginning and 977.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: 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: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && !(\result == 0)) && pumpRunning == 0) || (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) || ((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0)) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && (0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) || ((((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 0 == methAndRunningLastTime)) || (2 <= waterLevel && ((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 0 == methAndRunningLastTime) || (2 <= waterLevel && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((\result == 1 && 1 == tmp) && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 0 == methAndRunningLastTime) || ((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && (2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((\result == 1 && 1 == tmp) && ((!(0 == systemActive) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 2 <= waterLevel)) || (((pumpRunning == 0 && 0 == splverifierCounter) && \result == 1) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 11.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, HoareTripleCheckerStatistics: 1407 SDtfs, 2194 SDslu, 2403 SDs, 0 SdLazy, 278 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2316 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 829 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1708214 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 964499 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...