./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.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_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:04,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:04,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:04,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:04,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:04,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:04,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:04,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:04,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:04,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:04,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:04,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:04,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:04,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:04,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:04,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:04,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:04,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:04,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:04,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:04,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:04,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:04,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:04,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:04,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:04,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:04,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:04,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:04,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:04,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:04,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:04,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:04,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:04,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:04,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:04,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:04,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:04,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:04,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:04,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:04,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:04,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:04,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:04,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:04,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:04,255 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:04,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:04,255 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:04,255 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:04,255 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:04,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:04,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:04,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:04,256 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:04,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:04,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:04,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:04,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:04,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:04,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:04,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:04,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:04,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:04,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:04,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:04,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:04,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:04,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:04,261 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:04,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:04,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:04,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:04,262 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2019-10-22 11:25:04,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:04,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:04,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:04,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:04,309 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:04,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-10-22 11:25:04,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/data/d1b1f5acb/f26058b16ced4cfbb3ba3898c2852dc4/FLAGfee720b2a [2019-10-22 11:25:04,752 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:04,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-10-22 11:25:04,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/data/d1b1f5acb/f26058b16ced4cfbb3ba3898c2852dc4/FLAGfee720b2a [2019-10-22 11:25:04,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/data/d1b1f5acb/f26058b16ced4cfbb3ba3898c2852dc4 [2019-10-22 11:25:04,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:04,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:04,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:04,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:04,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:04,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:04" (1/1) ... [2019-10-22 11:25:04,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c7e792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:04, skipping insertion in model container [2019-10-22 11:25:04,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:04" (1/1) ... [2019-10-22 11:25:04,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:04,847 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:05,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:05,267 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:05,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:05,379 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:05,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05 WrapperNode [2019-10-22 11:25:05,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:05,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:05,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:05,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:05,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:05,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:05,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:05,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:05,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... [2019-10-22 11:25:05,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:05,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:05,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:05,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:05,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:06,430 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:06,431 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 11:25:06,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:06 BoogieIcfgContainer [2019-10-22 11:25:06,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:06,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:06,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:06,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:06,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:04" (1/3) ... [2019-10-22 11:25:06,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac2b556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:06, skipping insertion in model container [2019-10-22 11:25:06,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:05" (2/3) ... [2019-10-22 11:25:06,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac2b556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:06, skipping insertion in model container [2019-10-22 11:25:06,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:06" (3/3) ... [2019-10-22 11:25:06,441 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2019-10-22 11:25:06,449 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:06,459 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:06,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:06,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:06,502 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:06,502 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:06,502 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:06,503 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:06,503 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:06,503 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:06,503 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-22 11:25:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:25:06,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:06,530 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:06,532 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:06,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2019-10-22 11:25:06,549 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:06,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78762011] [2019-10-22 11:25:06,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:06,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:06,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:06,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78762011] [2019-10-22 11:25:06,782 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:06,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:06,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949394767] [2019-10-22 11:25:06,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:06,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:06,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:06,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:06,804 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-22 11:25:06,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:06,832 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2019-10-22 11:25:06,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:06,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:25:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:06,844 INFO L225 Difference]: With dead ends: 259 [2019-10-22 11:25:06,844 INFO L226 Difference]: Without dead ends: 129 [2019-10-22 11:25:06,847 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-22 11:25:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-22 11:25:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-22 11:25:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2019-10-22 11:25:06,888 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2019-10-22 11:25:06,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:06,888 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2019-10-22 11:25:06,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2019-10-22 11:25:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:25:06,889 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:06,890 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:06,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:06,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2019-10-22 11:25:06,891 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:06,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376567418] [2019-10-22 11:25:06,891 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:06,891 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:06,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:06,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376567418] [2019-10-22 11:25:06,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:06,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:06,998 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625727812] [2019-10-22 11:25:06,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:07,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:07,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,004 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2019-10-22 11:25:07,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:07,025 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2019-10-22 11:25:07,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:07,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:25:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:07,030 INFO L225 Difference]: With dead ends: 129 [2019-10-22 11:25:07,030 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:25:07,031 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:25:07,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:25:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:25:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:25:07,039 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2019-10-22 11:25:07,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:07,039 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:25:07,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:25:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:07,040 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:07,040 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:07,040 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2019-10-22 11:25:07,041 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:07,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602829841] [2019-10-22 11:25:07,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:07,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602829841] [2019-10-22 11:25:07,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:07,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:07,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527353383] [2019-10-22 11:25:07,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:07,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:07,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,181 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:25:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:07,195 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2019-10-22 11:25:07,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:07,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:25:07,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:07,196 INFO L225 Difference]: With dead ends: 99 [2019-10-22 11:25:07,196 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:25:07,197 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:25:07,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:25:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:25:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:25:07,209 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2019-10-22 11:25:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:07,209 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:25:07,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:25:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:25:07,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:07,214 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:07,215 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:07,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2019-10-22 11:25:07,215 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:07,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027778169] [2019-10-22 11:25:07,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:07,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027778169] [2019-10-22 11:25:07,299 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:07,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:07,299 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687191110] [2019-10-22 11:25:07,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:07,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:07,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,300 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:25:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:07,359 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2019-10-22 11:25:07,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:07,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:25:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:07,360 INFO L225 Difference]: With dead ends: 121 [2019-10-22 11:25:07,360 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 11:25:07,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 11:25:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-10-22 11:25:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:25:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2019-10-22 11:25:07,369 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2019-10-22 11:25:07,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:07,369 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2019-10-22 11:25:07,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2019-10-22 11:25:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:25:07,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:07,370 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 11:25:07,370 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:07,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:07,371 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2019-10-22 11:25:07,371 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:07,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359379259] [2019-10-22 11:25:07,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:07,426 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359379259] [2019-10-22 11:25:07,426 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:07,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:07,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689021587] [2019-10-22 11:25:07,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:07,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:07,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:07,427 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 5 states. [2019-10-22 11:25:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:07,515 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2019-10-22 11:25:07,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:07,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:25:07,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:07,518 INFO L225 Difference]: With dead ends: 263 [2019-10-22 11:25:07,518 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 11:25:07,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 11:25:07,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-10-22 11:25:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 11:25:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-10-22 11:25:07,530 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2019-10-22 11:25:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:07,530 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-10-22 11:25:07,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-10-22 11:25:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:25:07,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:07,531 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 11:25:07,531 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:07,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:07,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2019-10-22 11:25:07,532 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:07,532 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864258250] [2019-10-22 11:25:07,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:07,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864258250] [2019-10-22 11:25:07,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:07,613 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:07,613 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355070631] [2019-10-22 11:25:07,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:07,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:07,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:07,614 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-10-22 11:25:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:07,781 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2019-10-22 11:25:07,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:25:07,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:25:07,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:07,785 INFO L225 Difference]: With dead ends: 364 [2019-10-22 11:25:07,785 INFO L226 Difference]: Without dead ends: 294 [2019-10-22 11:25:07,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-22 11:25:07,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2019-10-22 11:25:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 11:25:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2019-10-22 11:25:07,819 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2019-10-22 11:25:07,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:07,819 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2019-10-22 11:25:07,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2019-10-22 11:25:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:25:07,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:07,821 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:07,821 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:07,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2019-10-22 11:25:07,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:07,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813465364] [2019-10-22 11:25:07,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:07,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:07,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813465364] [2019-10-22 11:25:07,889 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:07,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:07,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692202409] [2019-10-22 11:25:07,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:07,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:07,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:07,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:07,891 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2019-10-22 11:25:08,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:08,012 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2019-10-22 11:25:08,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:25:08,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:25:08,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:08,014 INFO L225 Difference]: With dead ends: 526 [2019-10-22 11:25:08,015 INFO L226 Difference]: Without dead ends: 394 [2019-10-22 11:25:08,016 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-22 11:25:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2019-10-22 11:25:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:25:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2019-10-22 11:25:08,048 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2019-10-22 11:25:08,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:08,048 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2019-10-22 11:25:08,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2019-10-22 11:25:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:25:08,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:08,049 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 11:25:08,049 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:08,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2019-10-22 11:25:08,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:08,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227373684] [2019-10-22 11:25:08,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:08,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227373684] [2019-10-22 11:25:08,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:08,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:08,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308411323] [2019-10-22 11:25:08,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:08,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:08,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:08,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:08,093 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2019-10-22 11:25:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:08,158 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2019-10-22 11:25:08,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:08,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:25:08,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:08,159 INFO L225 Difference]: With dead ends: 355 [2019-10-22 11:25:08,160 INFO L226 Difference]: Without dead ends: 224 [2019-10-22 11:25:08,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:25:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-22 11:25:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2019-10-22 11:25:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-22 11:25:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2019-10-22 11:25:08,173 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2019-10-22 11:25:08,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:08,173 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2019-10-22 11:25:08,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2019-10-22 11:25:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:25:08,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:08,174 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 11:25:08,175 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:08,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:08,179 INFO L82 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2019-10-22 11:25:08,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:08,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507506602] [2019-10-22 11:25:08,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:08,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507506602] [2019-10-22 11:25:08,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:08,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:08,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222442076] [2019-10-22 11:25:08,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:08,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:08,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:08,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:08,229 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2019-10-22 11:25:08,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:08,263 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2019-10-22 11:25:08,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:08,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 11:25:08,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:08,265 INFO L225 Difference]: With dead ends: 343 [2019-10-22 11:25:08,265 INFO L226 Difference]: Without dead ends: 200 [2019-10-22 11:25:08,266 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-10-22 11:25:08,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-10-22 11:25:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 11:25:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2019-10-22 11:25:08,283 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2019-10-22 11:25:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:08,283 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2019-10-22 11:25:08,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2019-10-22 11:25:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:25:08,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:08,285 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 11:25:08,285 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:08,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:08,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2019-10-22 11:25:08,285 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:08,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692429271] [2019-10-22 11:25:08,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:08,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692429271] [2019-10-22 11:25:08,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:08,362 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:25:08,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331552983] [2019-10-22 11:25:08,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:08,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:08,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:08,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:08,364 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 6 states. [2019-10-22 11:25:08,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:08,644 INFO L93 Difference]: Finished difference Result 669 states and 871 transitions. [2019-10-22 11:25:08,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:25:08,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 11:25:08,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:08,647 INFO L225 Difference]: With dead ends: 669 [2019-10-22 11:25:08,648 INFO L226 Difference]: Without dead ends: 476 [2019-10-22 11:25:08,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:25:08,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-10-22 11:25:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 200. [2019-10-22 11:25:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 11:25:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2019-10-22 11:25:08,671 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2019-10-22 11:25:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:08,671 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2019-10-22 11:25:08,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2019-10-22 11:25:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:25:08,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:08,676 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 11:25:08,676 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:08,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:08,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2019-10-22 11:25:08,677 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:08,677 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44145540] [2019-10-22 11:25:08,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:08,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:08,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44145540] [2019-10-22 11:25:08,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188911260] [2019-10-22 11:25:08,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/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 11:25:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:08,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:25:08,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:08,896 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 11:25:08,896 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:08,905 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 11:25:08,906 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:25:08,906 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2019-10-22 11:25:08,906 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816758395] [2019-10-22 11:25:08,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:08,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:08,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:08,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:08,909 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 3 states. [2019-10-22 11:25:08,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:08,956 INFO L93 Difference]: Finished difference Result 311 states and 401 transitions. [2019-10-22 11:25:08,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:08,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-22 11:25:08,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:08,958 INFO L225 Difference]: With dead ends: 311 [2019-10-22 11:25:08,958 INFO L226 Difference]: Without dead ends: 309 [2019-10-22 11:25:08,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 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 11:25:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-10-22 11:25:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2019-10-22 11:25:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-22 11:25:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions. [2019-10-22 11:25:08,980 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 56 [2019-10-22 11:25:08,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:08,982 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 292 transitions. [2019-10-22 11:25:08,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2019-10-22 11:25:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 11:25:08,983 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:08,984 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 11:25:09,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:25:09,185 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:09,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:09,185 INFO L82 PathProgramCache]: Analyzing trace with hash 240636856, now seen corresponding path program 1 times [2019-10-22 11:25:09,185 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:09,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158351748] [2019-10-22 11:25:09,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:09,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:09,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 11:25:09,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158351748] [2019-10-22 11:25:09,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795147651] [2019-10-22 11:25:09,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/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 11:25:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:09,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:25:09,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:09,437 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 11:25:09,439 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:09,492 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 11:25:09,494 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:25:09,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 11 [2019-10-22 11:25:09,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825968721] [2019-10-22 11:25:09,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:09,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:09,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:09,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:25:09,495 INFO L87 Difference]: Start difference. First operand 224 states and 292 transitions. Second operand 6 states. [2019-10-22 11:25:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:09,685 INFO L93 Difference]: Finished difference Result 523 states and 678 transitions. [2019-10-22 11:25:09,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:25:09,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-22 11:25:09,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:09,686 INFO L225 Difference]: With dead ends: 523 [2019-10-22 11:25:09,686 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:09,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 154 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 11:25:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:09,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-22 11:25:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:09,687 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:09,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:09,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:09,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:25:09,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:10,181 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2019-10-22 11:25:10,324 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2019-10-22 11:25:10,595 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2019-10-22 11:25:10,842 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2019-10-22 11:25:11,067 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2019-10-22 11:25:11,620 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-10-22 11:25:12,034 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 14 [2019-10-22 11:25:12,135 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2019-10-22 11:25:12,489 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 15 [2019-10-22 11:25:12,747 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-10-22 11:25:13,215 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 17 [2019-10-22 11:25:13,613 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2019-10-22 11:25:14,004 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2019-10-22 11:25:14,169 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 18 [2019-10-22 11:25:14,239 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,239 INFO L443 ceAbstractionStarter]: For program point L630-2(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,239 INFO L443 ceAbstractionStarter]: For program point L630-4(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L630-6(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L630-8(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L630-10(lines 630 636) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L439 ceAbstractionStarter]: At program point L664(lines 659 667) 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 11:25:14,240 INFO L439 ceAbstractionStarter]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L443 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:25:14,240 INFO L439 ceAbstractionStarter]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568-3(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568-4(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L443 ceAbstractionStarter]: For program point L568-5(lines 568 585) no Hoare annotation was computed. [2019-10-22 11:25:14,241 INFO L439 ceAbstractionStarter]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 11:25:14,241 INFO L439 ceAbstractionStarter]: At program point L833-1(lines 828 836) 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 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-2(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and (and .cse0 .cse1) .cse2) (= 1 ~methaneLevelCritical~0)) (and (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) .cse2))) [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-3(lines 828 836) 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 .cse0 (= ~pumpRunning~0 0) .cse1) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-4(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-5(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-6(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-7(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-8(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L536(lines 535 554) 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 .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse2 (= 0 ~methaneLevelCritical~0) .cse3) (and (and .cse0 (= ~pumpRunning~0 0)) .cse1)))) [2019-10-22 11:25:14,242 INFO L439 ceAbstractionStarter]: At program point L833-9(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,243 INFO L443 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2019-10-22 11:25:14,243 INFO L439 ceAbstractionStarter]: At program point L833-10(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,243 INFO L439 ceAbstractionStarter]: At program point L536-2(lines 535 554) the Hoare annotation is: false [2019-10-22 11:25:14,243 INFO L439 ceAbstractionStarter]: At program point L833-11(lines 828 836) the Hoare annotation is: false [2019-10-22 11:25:14,243 INFO L439 ceAbstractionStarter]: At program point L536-3(lines 535 554) the Hoare annotation is: false [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L770-2(lines 536 542) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,244 INFO L443 ceAbstractionStarter]: For program point L572-3(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L572-4(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L572-5(lines 572 580) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L439 ceAbstractionStarter]: At program point L936-1(lines 1 956) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and (and (and .cse0 .cse1 .cse3) .cse4) .cse2) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and (and .cse0 .cse3) .cse4) (= 1 ~methaneLevelCritical~0)) .cse2))) [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L936-2(lines 936 953) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L439 ceAbstractionStarter]: At program point L936-3(lines 1 956) the Hoare annotation is: false [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L936-4(lines 936 953) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L439 ceAbstractionStarter]: At program point L936-5(lines 1 956) the Hoare annotation is: false [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-10-22 11:25:14,245 INFO L446 ceAbstractionStarter]: At program point L507-1(lines 507 514) the Hoare annotation is: true [2019-10-22 11:25:14,245 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L439 ceAbstractionStarter]: At program point L906(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873-3(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L443 ceAbstractionStarter]: For program point L873-5(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:25:14,246 INFO L439 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and (and .cse0 .cse1 .cse2) .cse3) (and (and (and .cse0 .cse2) .cse3) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:25:14,246 INFO L439 ceAbstractionStarter]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2019-10-22 11:25:14,246 INFO L439 ceAbstractionStarter]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2019-10-22 11:25:14,247 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2019-10-22 11:25:14,247 INFO L443 ceAbstractionStarter]: For program point L940-2(lines 940 950) no Hoare annotation was computed. [2019-10-22 11:25:14,247 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-22 11:25:14,247 INFO L443 ceAbstractionStarter]: For program point L940-4(lines 940 950) no Hoare annotation was computed. [2019-10-22 11:25:14,247 INFO L439 ceAbstractionStarter]: At program point L478(lines 474 480) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:14,247 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2019-10-22 11:25:14,248 INFO L443 ceAbstractionStarter]: For program point L941-2(lines 941 947) no Hoare annotation was computed. [2019-10-22 11:25:14,248 INFO L443 ceAbstractionStarter]: For program point L941-4(lines 941 947) no Hoare annotation was computed. [2019-10-22 11:25:14,248 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2019-10-22 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L744-1(lines 744 750) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and (and (and .cse0 .cse1 .cse3) .cse4) .cse2) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and (and .cse0 .cse3) .cse4) (= 1 ~methaneLevelCritical~0)) .cse2))) [2019-10-22 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L878(lines 869 882) 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 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L878-1(lines 869 882) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2))) [2019-10-22 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L878-2(lines 869 882) the Hoare annotation is: false [2019-10-22 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L878-3(lines 869 882) the Hoare annotation is: false [2019-10-22 11:25:14,248 INFO L439 ceAbstractionStarter]: At program point L878-4(lines 869 882) the Hoare annotation is: false [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L439 ceAbstractionStarter]: At program point L878-5(lines 869 882) the Hoare annotation is: false [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-3(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-5(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-6(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-8(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-9(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-11(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-12(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-14(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,249 INFO L443 ceAbstractionStarter]: For program point L713-15(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,250 INFO L443 ceAbstractionStarter]: For program point L713-17(lines 713 717) no Hoare annotation was computed. [2019-10-22 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: false [2019-10-22 11:25:14,250 INFO L446 ceAbstractionStarter]: At program point L516(lines 497 519) the Hoare annotation is: true [2019-10-22 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L914(lines 909 917) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:14,250 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L719(lines 704 722) 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 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L719-1(lines 704 722) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and .cse0 (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2)) (and (and (and .cse1 .cse2) .cse0) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L719-2(lines 704 722) the Hoare annotation is: false [2019-10-22 11:25:14,250 INFO L439 ceAbstractionStarter]: At program point L719-3(lines 704 722) the Hoare annotation is: false [2019-10-22 11:25:14,251 INFO L439 ceAbstractionStarter]: At program point L719-4(lines 704 722) the Hoare annotation is: false [2019-10-22 11:25:14,251 INFO L439 ceAbstractionStarter]: At program point L719-5(lines 704 722) the Hoare annotation is: false [2019-10-22 11:25:14,251 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:25:14,251 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2019-10-22 11:25:14,251 INFO L439 ceAbstractionStarter]: At program point L754-1(lines 754 760) 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 .cse0 .cse1) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655(lines 648 658) 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 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-1(lines 648 658) 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 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-2(lines 648 658) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (and (and .cse0 .cse1) .cse2) (= 1 ~methaneLevelCritical~0)) (and (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) .cse2))) [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-3(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-4(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-5(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,252 INFO L439 ceAbstractionStarter]: At program point L655-6(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,253 INFO L439 ceAbstractionStarter]: At program point L655-7(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,253 INFO L439 ceAbstractionStarter]: At program point L655-8(lines 648 658) the Hoare annotation is: false [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L439 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2019-10-22 11:25:14,253 INFO L443 ceAbstractionStarter]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2019-10-22 11:25:14,254 INFO L439 ceAbstractionStarter]: At program point L925(lines 920 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:25:14,254 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:25:14,254 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 536 542) no Hoare annotation was computed. [2019-10-22 11:25:14,254 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-22 11:25:14,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:14 BoogieIcfgContainer [2019-10-22 11:25:14,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:14,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:14,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:14,298 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:14,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:06" (3/4) ... [2019-10-22 11:25:14,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:14,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:14,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:25:14,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:25:14,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:14,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:14,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:14,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 11:25:14,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 11:25:14,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) [2019-10-22 11:25:14,364 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 11:25:14,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:25:14,365 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 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 11:25:14,366 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 11:25:14,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 11:25:14,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && 1 == \result) && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 11:25:14,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c10064f6-dff5-47fc-9e13-74b19d1762e7/bin/utaipan/witness.graphml [2019-10-22 11:25:14,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:14,455 INFO L168 Benchmark]: Toolchain (without parser) took 9667.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.8 MB). Free memory was 937.8 MB in the beginning and 950.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 294.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,456 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:14,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.36 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,457 INFO L168 Benchmark]: Boogie Preprocessor took 40.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:14,457 INFO L168 Benchmark]: RCFGBuilder took 923.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,457 INFO L168 Benchmark]: TraceAbstraction took 7864.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.0 GB in the beginning and 963.5 MB in the end (delta: 86.4 MB). Peak memory consumption was 397.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,457 INFO L168 Benchmark]: Witness Printer took 152.99 ms. Allocated memory is still 1.3 GB. Free memory was 963.5 MB in the beginning and 950.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.36 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 923.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7864.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.0 GB in the beginning and 963.5 MB in the end (delta: 86.4 MB). Peak memory consumption was 397.8 MB. Max. memory is 11.5 GB. * Witness Printer took 152.99 ms. Allocated memory is still 1.3 GB. Free memory was 963.5 MB in the beginning and 950.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((1 == \result && 1 == \result) && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == splverifierCounter) && 1 == \result) && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 828]: 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: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 1314 SDtfs, 1745 SDslu, 2194 SDs, 0 SdLazy, 347 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 288 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 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, 968 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 185 NumberOfFragments, 641 HoareAnnotationTreeSize, 55 FomulaSimplifications, 576090 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 216943 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 679 ConstructedInterpolants, 0 QuantifiedInterpolants, 60375 SizeOfPredicates, 6 NumberOfNonLiveVariables, 902 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 172/192 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...