./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.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_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/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 4366671714130af280ec4232c34176d9c997fd05 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:23:31,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:31,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:31,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:31,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:31,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:31,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:31,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:31,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:31,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:31,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:31,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:31,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:31,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:31,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:31,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:31,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:31,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:31,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:31,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:31,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:31,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:31,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:31,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:31,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:31,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:31,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:31,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:31,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:31,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:31,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:31,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:31,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:31,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:31,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:31,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:31,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:31,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:31,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:31,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:31,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:31,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:31,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:31,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:31,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:31,330 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:31,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:31,330 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:31,330 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:31,330 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:31,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:31,331 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:31,331 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:31,331 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:31,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:31,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:31,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:31,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:31,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:31,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:31,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:31,336 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_2e8cb70e-7c5b-4939-9d20-369f90260d38/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2019-10-22 11:23:31,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:31,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:31,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:31,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:31,381 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:31,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2019-10-22 11:23:31,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/data/f1562de5e/03ad440e2c9d4d5db4ebfc5a2f1a13ce/FLAG89ae4d9f5 [2019-10-22 11:23:31,866 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:31,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2019-10-22 11:23:31,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/data/f1562de5e/03ad440e2c9d4d5db4ebfc5a2f1a13ce/FLAG89ae4d9f5 [2019-10-22 11:23:31,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/data/f1562de5e/03ad440e2c9d4d5db4ebfc5a2f1a13ce [2019-10-22 11:23:31,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:31,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:31,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:31,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:31,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:31,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:31" (1/1) ... [2019-10-22 11:23:31,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7495d8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:31, skipping insertion in model container [2019-10-22 11:23:31,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:31" (1/1) ... [2019-10-22 11:23:31,909 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:31,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:32,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:32,300 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:32,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:32,408 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:32,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32 WrapperNode [2019-10-22 11:23:32,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:32,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:32,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:32,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:32,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:32,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:32,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:32,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:32,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:32,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:32,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:32,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:32,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/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 11:23:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:33,265 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:33,266 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-10-22 11:23:33,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:33 BoogieIcfgContainer [2019-10-22 11:23:33,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:33,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:33,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:33,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:33,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:31" (1/3) ... [2019-10-22 11:23:33,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3337c863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:33, skipping insertion in model container [2019-10-22 11:23:33,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (2/3) ... [2019-10-22 11:23:33,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3337c863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:33, skipping insertion in model container [2019-10-22 11:23:33,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:33" (3/3) ... [2019-10-22 11:23:33,273 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2019-10-22 11:23:33,282 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:33,294 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:33,304 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:33,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:33,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:33,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:33,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:33,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:33,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:33,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:33,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-22 11:23:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:23:33,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,360 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 11:23:33,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,367 INFO L82 PathProgramCache]: Analyzing trace with hash 849715888, now seen corresponding path program 1 times [2019-10-22 11:23:33,375 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:33,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384948848] [2019-10-22 11:23:33,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,618 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 11:23:33,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384948848] [2019-10-22 11:23:33,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,620 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:33,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206630888] [2019-10-22 11:23:33,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:33,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:33,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:33,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:33,640 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-22 11:23:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,674 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2019-10-22 11:23:33,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:33,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:23:33,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,688 INFO L225 Difference]: With dead ends: 259 [2019-10-22 11:23:33,688 INFO L226 Difference]: Without dead ends: 129 [2019-10-22 11:23:33,692 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 11:23:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-22 11:23:33,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-22 11:23:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-22 11:23:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2019-10-22 11:23:33,738 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2019-10-22 11:23:33,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,739 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2019-10-22 11:23:33,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2019-10-22 11:23:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:33,740 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,740 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 11:23:33,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash 2136736995, now seen corresponding path program 1 times [2019-10-22 11:23:33,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:33,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177752106] [2019-10-22 11:23:33,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,829 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 11:23:33,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177752106] [2019-10-22 11:23:33,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:33,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868104121] [2019-10-22 11:23:33,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:33,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:33,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:33,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:33,834 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2019-10-22 11:23:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,854 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2019-10-22 11:23:33,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:33,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:23:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,856 INFO L225 Difference]: With dead ends: 129 [2019-10-22 11:23:33,856 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:23:33,857 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 11:23:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:23:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:23:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:23:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:23:33,866 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2019-10-22 11:23:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,866 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:23:33,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:23:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:33,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,867 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 11:23:33,868 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2019-10-22 11:23:33,868 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:33,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505869762] [2019-10-22 11:23:33,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,937 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 11:23:33,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505869762] [2019-10-22 11:23:33,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:33,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586228246] [2019-10-22 11:23:33,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:33,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:33,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:33,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:33,939 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:23:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,974 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2019-10-22 11:23:33,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:33,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:23:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,977 INFO L225 Difference]: With dead ends: 99 [2019-10-22 11:23:33,977 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:23:33,977 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 11:23:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:23:33,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:23:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:23:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:23:33,985 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2019-10-22 11:23:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,985 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:23:33,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:23:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:33,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,986 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 11:23:33,986 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2019-10-22 11:23:33,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:33,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558452054] [2019-10-22 11:23:33,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,072 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 11:23:34,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558452054] [2019-10-22 11:23:34,073 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:34,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056128649] [2019-10-22 11:23:34,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:34,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:34,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:34,074 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:23:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,134 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2019-10-22 11:23:34,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:34,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:23:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,135 INFO L225 Difference]: With dead ends: 121 [2019-10-22 11:23:34,135 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 11:23:34,136 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 11:23:34,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 11:23:34,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-10-22 11:23:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:23:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2019-10-22 11:23:34,155 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2019-10-22 11:23:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,155 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2019-10-22 11:23:34,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2019-10-22 11:23:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:34,156 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,156 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] [2019-10-22 11:23:34,156 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2019-10-22 11:23:34,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383629583] [2019-10-22 11:23:34,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,231 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 11:23:34,231 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383629583] [2019-10-22 11:23:34,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,231 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:34,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144408432] [2019-10-22 11:23:34,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:34,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:34,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:34,233 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2019-10-22 11:23:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,278 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2019-10-22 11:23:34,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:34,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-22 11:23:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,279 INFO L225 Difference]: With dead ends: 203 [2019-10-22 11:23:34,280 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 11:23:34,280 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 11:23:34,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2019-10-22 11:23:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 11:23:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-10-22 11:23:34,290 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2019-10-22 11:23:34,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,290 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-10-22 11:23:34,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-10-22 11:23:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:34,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,291 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] [2019-10-22 11:23:34,292 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2019-10-22 11:23:34,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606590091] [2019-10-22 11:23:34,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,366 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 11:23:34,366 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606590091] [2019-10-22 11:23:34,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,367 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:34,367 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570097613] [2019-10-22 11:23:34,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,368 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-10-22 11:23:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,546 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2019-10-22 11:23:34,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:34,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:23:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,550 INFO L225 Difference]: With dead ends: 364 [2019-10-22 11:23:34,550 INFO L226 Difference]: Without dead ends: 294 [2019-10-22 11:23:34,551 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 11:23:34,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-22 11:23:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2019-10-22 11:23:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 11:23:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2019-10-22 11:23:34,581 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2019-10-22 11:23:34,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,581 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2019-10-22 11:23:34,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2019-10-22 11:23:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:23:34,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,587 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 11:23:34,587 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2019-10-22 11:23:34,587 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403147572] [2019-10-22 11:23:34,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,662 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 11:23:34,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403147572] [2019-10-22 11:23:34,662 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:34,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532088105] [2019-10-22 11:23:34,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,663 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,664 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2019-10-22 11:23:34,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,799 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2019-10-22 11:23:34,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:34,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:23:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,802 INFO L225 Difference]: With dead ends: 526 [2019-10-22 11:23:34,802 INFO L226 Difference]: Without dead ends: 394 [2019-10-22 11:23:34,803 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 11:23:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-22 11:23:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2019-10-22 11:23:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:23:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2019-10-22 11:23:34,819 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2019-10-22 11:23:34,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,819 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2019-10-22 11:23:34,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2019-10-22 11:23:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:34,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,820 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, 1, 1] [2019-10-22 11:23:34,821 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,821 INFO L82 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2019-10-22 11:23:34,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327480233] [2019-10-22 11:23:34,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,880 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 11:23:34,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327480233] [2019-10-22 11:23:34,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:34,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477291552] [2019-10-22 11:23:34,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,882 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2019-10-22 11:23:34,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,952 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2019-10-22 11:23:34,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:34,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:23:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,954 INFO L225 Difference]: With dead ends: 355 [2019-10-22 11:23:34,954 INFO L226 Difference]: Without dead ends: 224 [2019-10-22 11:23:34,954 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 11:23:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-22 11:23:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2019-10-22 11:23:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-22 11:23:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2019-10-22 11:23:34,973 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2019-10-22 11:23:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,973 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2019-10-22 11:23:34,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2019-10-22 11:23:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:34,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,977 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, 1, 1] [2019-10-22 11:23:34,977 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2019-10-22 11:23:34,978 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665674683] [2019-10-22 11:23:34,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,016 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 11:23:35,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665674683] [2019-10-22 11:23:35,017 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:35,017 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023528416] [2019-10-22 11:23:35,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:35,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:35,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:35,018 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2019-10-22 11:23:35,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,047 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2019-10-22 11:23:35,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:35,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 11:23:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,049 INFO L225 Difference]: With dead ends: 343 [2019-10-22 11:23:35,049 INFO L226 Difference]: Without dead ends: 200 [2019-10-22 11:23:35,049 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 11:23:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-10-22 11:23:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-10-22 11:23:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 11:23:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2019-10-22 11:23:35,067 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2019-10-22 11:23:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,068 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2019-10-22 11:23:35,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2019-10-22 11:23:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:23:35,074 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,075 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, 1, 1, 1] [2019-10-22 11:23:35,075 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,075 INFO L82 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2019-10-22 11:23:35,076 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087594603] [2019-10-22 11:23:35,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,173 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 11:23:35,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087594603] [2019-10-22 11:23:35,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:35,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267454542] [2019-10-22 11:23:35,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:35,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:35,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:35,175 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 8 states. [2019-10-22 11:23:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,734 INFO L93 Difference]: Finished difference Result 1040 states and 1349 transitions. [2019-10-22 11:23:35,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-22 11:23:35,734 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-10-22 11:23:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,738 INFO L225 Difference]: With dead ends: 1040 [2019-10-22 11:23:35,738 INFO L226 Difference]: Without dead ends: 847 [2019-10-22 11:23:35,739 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2019-10-22 11:23:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2019-10-22 11:23:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 200. [2019-10-22 11:23:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 11:23:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2019-10-22 11:23:35,761 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2019-10-22 11:23:35,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,761 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2019-10-22 11:23:35,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2019-10-22 11:23:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:23:35,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,763 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2019-10-22 11:23:35,763 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,763 INFO L82 PathProgramCache]: Analyzing trace with hash 980113013, now seen corresponding path program 1 times [2019-10-22 11:23:35,763 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053221285] [2019-10-22 11:23:35,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:23:35,822 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053221285] [2019-10-22 11:23:35,822 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711363153] [2019-10-22 11:23:35,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:23:35,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,954 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,961 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:35,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2019-10-22 11:23:35,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341051447] [2019-10-22 11:23:35,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:35,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:35,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:35,962 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 3 states. [2019-10-22 11:23:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:36,000 INFO L93 Difference]: Finished difference Result 311 states and 401 transitions. [2019-10-22 11:23:36,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:36,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-22 11:23:36,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:36,002 INFO L225 Difference]: With dead ends: 311 [2019-10-22 11:23:36,002 INFO L226 Difference]: Without dead ends: 309 [2019-10-22 11:23:36,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-10-22 11:23:36,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2019-10-22 11:23:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-22 11:23:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions. [2019-10-22 11:23:36,021 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 56 [2019-10-22 11:23:36,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:36,022 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 292 transitions. [2019-10-22 11:23:36,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2019-10-22 11:23:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 11:23:36,023 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:36,023 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:36,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:36,224 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:36,224 INFO L82 PathProgramCache]: Analyzing trace with hash 350790393, now seen corresponding path program 1 times [2019-10-22 11:23:36,224 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:36,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522712045] [2019-10-22 11:23:36,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:36,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:36,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 11:23:36,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522712045] [2019-10-22 11:23:36,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748090732] [2019-10-22 11:23:36,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:36,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:23:36,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 11:23:36,445 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 11:23:36,501 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:36,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 11 [2019-10-22 11:23:36,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854528763] [2019-10-22 11:23:36,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:36,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:36,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:36,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:36,503 INFO L87 Difference]: Start difference. First operand 224 states and 292 transitions. Second operand 6 states. [2019-10-22 11:23:36,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:36,688 INFO L93 Difference]: Finished difference Result 523 states and 678 transitions. [2019-10-22 11:23:36,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:23:36,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-22 11:23:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:36,689 INFO L225 Difference]: With dead ends: 523 [2019-10-22 11:23:36,689 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:36,689 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 155 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:23:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:36,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-22 11:23:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:36,691 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:36,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:36,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:36,891 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:36,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:37,216 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2019-10-22 11:23:37,391 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-10-22 11:23:37,848 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2019-10-22 11:23:38,100 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 135 [2019-10-22 11:23:38,547 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 116 [2019-10-22 11:23:38,691 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2019-10-22 11:23:39,375 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2019-10-22 11:23:39,658 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2019-10-22 11:23:40,285 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2019-10-22 11:23:40,716 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2019-10-22 11:23:40,822 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 17 [2019-10-22 11:23:40,991 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-10-22 11:23:41,309 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-10-22 11:23:41,864 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 15 [2019-10-22 11:23:42,058 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 16 [2019-10-22 11:23:42,198 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-10-22 11:23:42,200 INFO L439 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: false [2019-10-22 11:23:42,201 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,201 INFO L439 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and (and .cse1 .cse3 .cse2) .cse0))) [2019-10-22 11:23:42,201 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-22 11:23:42,201 INFO L439 ceAbstractionStarter]: At program point L665-1(lines 665 671) the Hoare annotation is: false [2019-10-22 11:23:42,201 INFO L439 ceAbstractionStarter]: At program point L665-2(lines 665 671) the Hoare annotation is: false [2019-10-22 11:23:42,201 INFO L446 ceAbstractionStarter]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-10-22 11:23:42,201 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,201 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2019-10-22 11:23:42,202 INFO L439 ceAbstractionStarter]: At program point L932-1(lines 932 938) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:23:42,202 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-3(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-5(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-6(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-8(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-9(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-11(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-12(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-14(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-15(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,203 INFO L443 ceAbstractionStarter]: For program point L835-17(lines 835 839) no Hoare annotation was computed. [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L869(lines 864 871) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539(lines 530 543) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539-3(lines 530 543) the Hoare annotation is: false [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L539-5(lines 530 543) the Hoare annotation is: false [2019-10-22 11:23:42,204 INFO L439 ceAbstractionStarter]: At program point L606(lines 602 608) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:23:42,205 INFO L446 ceAbstractionStarter]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841(lines 826 844) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841-1(lines 826 844) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 1 ~methaneLevelCritical~0)) (and (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2) .cse0))) [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841-2(lines 826 844) the Hoare annotation is: false [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841-3(lines 826 844) the Hoare annotation is: false [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841-4(lines 826 844) the Hoare annotation is: false [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L841-5(lines 826 844) the Hoare annotation is: false [2019-10-22 11:23:42,205 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2019-10-22 11:23:42,205 INFO L439 ceAbstractionStarter]: At program point L777(lines 770 780) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 11:23:42,206 INFO L439 ceAbstractionStarter]: At program point L777-1(lines 770 780) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-2(lines 770 780) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0))) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2))) [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-3(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-4(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-5(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-6(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-7(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L439 ceAbstractionStarter]: At program point L777-8(lines 770 780) the Hoare annotation is: false [2019-10-22 11:23:42,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,207 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2019-10-22 11:23:42,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L439 ceAbstractionStarter]: At program point L880-1(lines 1 967) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and (and .cse0 .cse4 .cse1 .cse2) .cse3) (and .cse0 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3))) [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 897) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L439 ceAbstractionStarter]: At program point L880-3(lines 1 967) the Hoare annotation is: false [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L880-4(lines 880 897) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L439 ceAbstractionStarter]: At program point L880-5(lines 1 967) the Hoare annotation is: false [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-10-22 11:23:42,208 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 733) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L716-2(lines 716 733) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L439 ceAbstractionStarter]: At program point L950-2(lines 658 664) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L884-2(lines 884 894) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L884-4(lines 884 894) no Hoare annotation was computed. [2019-10-22 11:23:42,209 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,210 INFO L443 ceAbstractionStarter]: For program point L752-4(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,210 INFO L443 ceAbstractionStarter]: For program point L752-6(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,210 INFO L443 ceAbstractionStarter]: For program point L752-8(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,210 INFO L443 ceAbstractionStarter]: For program point L752-10(lines 752 758) no Hoare annotation was computed. [2019-10-22 11:23:42,210 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L885-2(lines 885 891) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L439 ceAbstractionStarter]: At program point L786(lines 781 789) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-10-22 11:23:42,211 INFO L439 ceAbstractionStarter]: At program point L786-1(lines 781 789) the Hoare annotation is: false [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L885-4(lines 885 891) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L439 ceAbstractionStarter]: At program point L786-2(lines 781 789) the Hoare annotation is: false [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 728) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:23:42,211 INFO L443 ceAbstractionStarter]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L439 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690-3(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L690-5(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:23:42,212 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L922-1(lines 922 928) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and (and .cse0 .cse4 .cse1 .cse2) .cse3) (and .cse0 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3))) [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L658(lines 657 676) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse2 .cse3)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and (and (= ~pumpRunning~0 0) .cse0) .cse1) (and .cse2 (= 0 ~methaneLevelCritical~0) .cse3) (and (and .cse0 .cse1) (= 0 ~methAndRunningLastTime~0))))) [2019-10-22 11:23:42,213 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L658-2(lines 657 676) the Hoare annotation is: false [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L658-3(lines 657 676) the Hoare annotation is: false [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L494(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (and .cse0 .cse1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:42,213 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2019-10-22 11:23:42,214 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 1 ~methaneLevelCritical~0))))) [2019-10-22 11:23:42,214 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,214 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-6(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-7(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-8(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-9(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-10(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L494-11(lines 489 497) the Hoare annotation is: false [2019-10-22 11:23:42,215 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:23:42,215 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:42,215 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,215 INFO L443 ceAbstractionStarter]: For program point L858-1(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,215 INFO L443 ceAbstractionStarter]: For program point L858-2(line 858) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 658 664) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694-1(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694-3(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694-4(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,216 INFO L443 ceAbstractionStarter]: For program point L694-5(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:23:42,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:42 BoogieIcfgContainer [2019-10-22 11:23:42,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:42,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:42,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:42,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:42,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:33" (3/4) ... [2019-10-22 11:23:42,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:42,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:42,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:23:42,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:23:42,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:42,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:42,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:42,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:23:42,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:23:42,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 11:23:42,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:42,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 11:23:42,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:23:42,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-10-22 11:23:42,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:42,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) [2019-10-22 11:23:42,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:42,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= \result && 1 <= \result) && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:23:42,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:42,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:42,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e8cb70e-7c5b-4939-9d20-369f90260d38/bin/utaipan/witness.graphml [2019-10-22 11:23:42,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:42,379 INFO L168 Benchmark]: Toolchain (without parser) took 10487.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.5 MB). Free memory was 947.1 MB in the beginning and 1.0 GB in the end (delta: -57.6 MB). Peak memory consumption was 331.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,379 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:42,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,380 INFO L168 Benchmark]: Boogie Preprocessor took 43.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,380 INFO L168 Benchmark]: RCFGBuilder took 753.56 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: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,380 INFO L168 Benchmark]: TraceAbstraction took 8977.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.3 MB). Peak memory consumption was 393.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,381 INFO L168 Benchmark]: Witness Printer took 132.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:42,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 515.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 753.56 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: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8977.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.3 MB). Peak memory consumption was 393.9 MB. Max. memory is 11.5 GB. * Witness Printer took 132.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 858]: 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: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((1 <= \result && 1 <= \result) && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, HoareTripleCheckerStatistics: 1345 SDtfs, 1790 SDslu, 2652 SDs, 0 SdLazy, 426 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 295 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1279 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 202 NumberOfFragments, 663 HoareAnnotationTreeSize, 56 FomulaSimplifications, 731753 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 451375 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 679 ConstructedInterpolants, 0 QuantifiedInterpolants, 55113 SizeOfPredicates, 6 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 188/192 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...