./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/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 77b70849cb3dcecd37b0edacca9651109dbc42ac .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:03:08,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:03:08,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:03:08,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:03:08,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:03:08,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:03:08,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:03:08,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:03:08,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:03:08,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:03:08,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:03:08,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:03:08,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:03:08,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:03:08,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:03:08,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:03:08,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:03:08,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:03:08,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:03:08,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:03:08,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:03:08,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:03:08,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:03:08,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:03:08,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:03:08,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:03:08,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:03:08,402 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:03:08,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:03:08,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:03:08,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:03:08,404 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:03:08,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:03:08,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:03:08,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:03:08,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:03:08,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:03:08,417 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:03:08,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:03:08,418 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:03:08,418 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:03:08,418 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:03:08,418 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:03:08,418 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:03:08,418 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:03:08,419 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:03:08,419 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:03:08,419 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:03:08,419 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:03:08,419 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:03:08,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:03:08,420 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:03:08,420 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:03:08,420 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:03:08,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:03:08,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:03:08,422 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:03:08,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:03:08,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:03:08,422 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:03:08,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:03:08,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:03:08,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:03:08,423 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:03:08,423 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:03:08,423 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:03:08,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:03:08,423 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:03:08,423 INFO L133 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_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2018-11-22 23:03:08,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:03:08,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:03:08,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:03:08,459 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:03:08,459 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:03:08,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-22 23:03:08,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/data/d6d3cc7d3/4008c386370d4aa9ad30c49caf785414/FLAGf47ffd123 [2018-11-22 23:03:08,927 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:03:08,927 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-22 23:03:08,933 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/data/d6d3cc7d3/4008c386370d4aa9ad30c49caf785414/FLAGf47ffd123 [2018-11-22 23:03:08,941 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/data/d6d3cc7d3/4008c386370d4aa9ad30c49caf785414 [2018-11-22 23:03:08,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:03:08,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:03:08,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:03:08,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:03:08,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:03:08,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:08" (1/1) ... [2018-11-22 23:03:08,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:08, skipping insertion in model container [2018-11-22 23:03:08,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:08" (1/1) ... [2018-11-22 23:03:08,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:03:08,983 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:03:09,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:03:09,180 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:03:09,275 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:03:09,292 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:03:09,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09 WrapperNode [2018-11-22 23:03:09,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:03:09,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:03:09,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:03:09,293 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:03:09,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:03:09,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:03:09,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:03:09,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:03:09,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... [2018-11-22 23:03:09,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:03:09,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:03:09,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:03:09,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:03:09,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/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 [2018-11-22 23:03:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:03:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:03:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:03:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:03:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:03:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:03:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:03:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:03:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:03:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 23:03:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 23:03:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:03:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:03:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:03:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:03:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:03:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:03:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 23:03:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 23:03:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 23:03:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 23:03:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 23:03:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 23:03:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:03:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:03:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:03:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:03:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:03:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:03:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:03:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:03:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:03:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:03:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:03:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:03:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:03:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:03:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-22 23:03:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-22 23:03:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-22 23:03:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-22 23:03:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-22 23:03:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-22 23:03:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:03:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:03:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:03:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:03:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:03:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:03:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:03:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:03:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:03:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:03:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:03:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:03:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:03:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:03:09,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:03:09,864 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:03:09,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:09 BoogieIcfgContainer [2018-11-22 23:03:09,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:03:09,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:03:09,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:03:09,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:03:09,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:03:08" (1/3) ... [2018-11-22 23:03:09,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403563d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:09, skipping insertion in model container [2018-11-22 23:03:09,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:09" (2/3) ... [2018-11-22 23:03:09,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403563d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:09, skipping insertion in model container [2018-11-22 23:03:09,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:09" (3/3) ... [2018-11-22 23:03:09,870 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-11-22 23:03:09,879 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:03:09,885 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:03:09,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:03:09,918 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:03:09,919 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:03:09,919 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:03:09,919 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:03:09,919 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:03:09,919 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:03:09,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:03:09,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:03:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-22 23:03:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 23:03:09,943 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:09,944 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:09,946 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:09,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:09,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1659130282, now seen corresponding path program 1 times [2018-11-22 23:03:09,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:09,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:09,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:09,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:09,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:10,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:10,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:03:10,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:10,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:03:10,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:03:10,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:03:10,143 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-22 23:03:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:10,171 INFO L93 Difference]: Finished difference Result 274 states and 335 transitions. [2018-11-22 23:03:10,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:03:10,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-22 23:03:10,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:10,183 INFO L225 Difference]: With dead ends: 274 [2018-11-22 23:03:10,183 INFO L226 Difference]: Without dead ends: 139 [2018-11-22 23:03:10,186 INFO L631 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 [2018-11-22 23:03:10,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-22 23:03:10,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-22 23:03:10,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-22 23:03:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2018-11-22 23:03:10,229 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2018-11-22 23:03:10,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:10,229 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2018-11-22 23:03:10,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:03:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2018-11-22 23:03:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 23:03:10,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:10,232 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:10,233 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:10,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:10,233 INFO L82 PathProgramCache]: Analyzing trace with hash -340774322, now seen corresponding path program 1 times [2018-11-22 23:03:10,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:10,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:10,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:10,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:10,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:03:10,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:10,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:03:10,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:03:10,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:03:10,307 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 3 states. [2018-11-22 23:03:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:10,325 INFO L93 Difference]: Finished difference Result 214 states and 247 transitions. [2018-11-22 23:03:10,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:03:10,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-22 23:03:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:10,327 INFO L225 Difference]: With dead ends: 214 [2018-11-22 23:03:10,327 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 23:03:10,328 INFO L631 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 [2018-11-22 23:03:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 23:03:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-22 23:03:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 23:03:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2018-11-22 23:03:10,337 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2018-11-22 23:03:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:10,337 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2018-11-22 23:03:10,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:03:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2018-11-22 23:03:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 23:03:10,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:10,339 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:10,339 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:10,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:10,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1212483014, now seen corresponding path program 1 times [2018-11-22 23:03:10,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:10,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:10,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:10,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:10,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:03:10,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:10,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:03:10,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:03:10,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:03:10,497 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 7 states. [2018-11-22 23:03:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:10,877 INFO L93 Difference]: Finished difference Result 390 states and 465 transitions. [2018-11-22 23:03:10,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:03:10,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-22 23:03:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:10,881 INFO L225 Difference]: With dead ends: 390 [2018-11-22 23:03:10,881 INFO L226 Difference]: Without dead ends: 288 [2018-11-22 23:03:10,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:03:10,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-11-22 23:03:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 268. [2018-11-22 23:03:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-22 23:03:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2018-11-22 23:03:10,911 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2018-11-22 23:03:10,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:10,911 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2018-11-22 23:03:10,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:03:10,912 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2018-11-22 23:03:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 23:03:10,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:10,915 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-22 23:03:10,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:10,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:10,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1917794855, now seen corresponding path program 1 times [2018-11-22 23:03:10,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:10,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:10,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:10,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:03:11,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:11,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:03:11,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:11,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:03:11,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:03:11,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:03:11,018 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 7 states. [2018-11-22 23:03:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:11,410 INFO L93 Difference]: Finished difference Result 669 states and 845 transitions. [2018-11-22 23:03:11,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 23:03:11,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-22 23:03:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:11,416 INFO L225 Difference]: With dead ends: 669 [2018-11-22 23:03:11,416 INFO L226 Difference]: Without dead ends: 429 [2018-11-22 23:03:11,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:03:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-11-22 23:03:11,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 382. [2018-11-22 23:03:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-22 23:03:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 454 transitions. [2018-11-22 23:03:11,454 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 454 transitions. Word has length 70 [2018-11-22 23:03:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:11,454 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 454 transitions. [2018-11-22 23:03:11,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:03:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 454 transitions. [2018-11-22 23:03:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:03:11,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:11,456 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:11,457 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:11,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:11,457 INFO L82 PathProgramCache]: Analyzing trace with hash 848308515, now seen corresponding path program 1 times [2018-11-22 23:03:11,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:11,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:11,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:11,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:11,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:03:11,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:11,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:03:11,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:03:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:03:11,535 INFO L87 Difference]: Start difference. First operand 382 states and 454 transitions. Second operand 6 states. [2018-11-22 23:03:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:11,579 INFO L93 Difference]: Finished difference Result 750 states and 916 transitions. [2018-11-22 23:03:11,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:03:11,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-11-22 23:03:11,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:11,583 INFO L225 Difference]: With dead ends: 750 [2018-11-22 23:03:11,583 INFO L226 Difference]: Without dead ends: 396 [2018-11-22 23:03:11,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:03:11,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-22 23:03:11,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2018-11-22 23:03:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-11-22 23:03:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 464 transitions. [2018-11-22 23:03:11,607 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 464 transitions. Word has length 102 [2018-11-22 23:03:11,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:11,608 INFO L480 AbstractCegarLoop]: Abstraction has 392 states and 464 transitions. [2018-11-22 23:03:11,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:03:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 464 transitions. [2018-11-22 23:03:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:03:11,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:11,610 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:11,610 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:11,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1201079327, now seen corresponding path program 1 times [2018-11-22 23:03:11,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:11,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:11,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:11,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:11,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:03:11,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:11,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:03:11,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:03:11,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:03:11,680 INFO L87 Difference]: Start difference. First operand 392 states and 464 transitions. Second operand 8 states. [2018-11-22 23:03:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:11,741 INFO L93 Difference]: Finished difference Result 770 states and 936 transitions. [2018-11-22 23:03:11,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:03:11,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-11-22 23:03:11,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:11,744 INFO L225 Difference]: With dead ends: 770 [2018-11-22 23:03:11,744 INFO L226 Difference]: Without dead ends: 406 [2018-11-22 23:03:11,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:03:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-11-22 23:03:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 400. [2018-11-22 23:03:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-11-22 23:03:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-11-22 23:03:11,769 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 102 [2018-11-22 23:03:11,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:11,770 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-11-22 23:03:11,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:03:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-11-22 23:03:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:03:11,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:11,771 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:03:11,771 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:11,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:11,772 INFO L82 PathProgramCache]: Analyzing trace with hash -231498304, now seen corresponding path program 1 times [2018-11-22 23:03:11,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:11,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:11,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:11,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:11,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:11,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:03:11,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:11,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:03:11,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:03:11,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:03:11,857 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 4 states. [2018-11-22 23:03:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:12,053 INFO L93 Difference]: Finished difference Result 1246 states and 1543 transitions. [2018-11-22 23:03:12,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:03:12,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-11-22 23:03:12,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:12,060 INFO L225 Difference]: With dead ends: 1246 [2018-11-22 23:03:12,060 INFO L226 Difference]: Without dead ends: 874 [2018-11-22 23:03:12,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:03:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2018-11-22 23:03:12,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 857. [2018-11-22 23:03:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2018-11-22 23:03:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1038 transitions. [2018-11-22 23:03:12,112 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1038 transitions. Word has length 102 [2018-11-22 23:03:12,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:12,113 INFO L480 AbstractCegarLoop]: Abstraction has 857 states and 1038 transitions. [2018-11-22 23:03:12,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:03:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1038 transitions. [2018-11-22 23:03:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 23:03:12,115 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:12,115 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-11-22 23:03:12,115 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:12,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:12,115 INFO L82 PathProgramCache]: Analyzing trace with hash 927235322, now seen corresponding path program 1 times [2018-11-22 23:03:12,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:12,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:12,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:03:12,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:12,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 23:03:12,232 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:12,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:03:12,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:03:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:03:12,233 INFO L87 Difference]: Start difference. First operand 857 states and 1038 transitions. Second operand 9 states. [2018-11-22 23:03:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:13,043 INFO L93 Difference]: Finished difference Result 2368 states and 2999 transitions. [2018-11-22 23:03:13,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 23:03:13,044 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2018-11-22 23:03:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:13,051 INFO L225 Difference]: With dead ends: 2368 [2018-11-22 23:03:13,051 INFO L226 Difference]: Without dead ends: 1711 [2018-11-22 23:03:13,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:03:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2018-11-22 23:03:13,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1516. [2018-11-22 23:03:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-11-22 23:03:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1816 transitions. [2018-11-22 23:03:13,141 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1816 transitions. Word has length 106 [2018-11-22 23:03:13,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:13,142 INFO L480 AbstractCegarLoop]: Abstraction has 1516 states and 1816 transitions. [2018-11-22 23:03:13,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:03:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1816 transitions. [2018-11-22 23:03:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-22 23:03:13,144 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:13,144 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2018-11-22 23:03:13,145 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:13,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:13,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1045524857, now seen corresponding path program 1 times [2018-11-22 23:03:13,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:13,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:13,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:13,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:13,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:03:13,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:03:13,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:03:13,257 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-22 23:03:13,259 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [83], [90], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [131], [147], [148], [149], [150], [151], [153], [158], [161], [162], [163], [164], [166], [171], [173], [174], [182], [183], [187], [190], [194], [200], [229], [233], [234], [240], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [268], [269], [270], [272], [273], [274], [275], [276], [277], [280], [281], [282], [283], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312] [2018-11-22 23:03:13,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:03:13,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:03:14,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:03:14,479 INFO L272 AbstractInterpreter]: Visited 119 different actions 526 times. Merged at 15 different actions 42 times. Never widened. Performed 17866 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17866 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-22 23:03:14,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:14,494 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:03:14,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:03:14,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:03:14,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:14,503 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:03:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:14,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:03:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:03:14,686 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:03:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:03:14,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:03:14,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-22 23:03:14,903 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:03:14,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-22 23:03:14,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-22 23:03:14,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:03:14,904 INFO L87 Difference]: Start difference. First operand 1516 states and 1816 transitions. Second operand 16 states. [2018-11-22 23:03:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:15,589 INFO L93 Difference]: Finished difference Result 2875 states and 3570 transitions. [2018-11-22 23:03:15,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-22 23:03:15,589 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2018-11-22 23:03:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:15,593 INFO L225 Difference]: With dead ends: 2875 [2018-11-22 23:03:15,593 INFO L226 Difference]: Without dead ends: 1553 [2018-11-22 23:03:15,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 290 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-22 23:03:15,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2018-11-22 23:03:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1135. [2018-11-22 23:03:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-22 23:03:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1319 transitions. [2018-11-22 23:03:15,640 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1319 transitions. Word has length 149 [2018-11-22 23:03:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:15,640 INFO L480 AbstractCegarLoop]: Abstraction has 1135 states and 1319 transitions. [2018-11-22 23:03:15,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-22 23:03:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1319 transitions. [2018-11-22 23:03:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-22 23:03:15,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:15,644 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-11-22 23:03:15,644 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:03:15,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:15,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2000365410, now seen corresponding path program 1 times [2018-11-22 23:03:15,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:15,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:15,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:15,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:15,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-22 23:03:15,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:15,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:03:15,722 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:15,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:03:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:03:15,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:03:15,722 INFO L87 Difference]: Start difference. First operand 1135 states and 1319 transitions. Second operand 3 states. [2018-11-22 23:03:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:15,753 INFO L93 Difference]: Finished difference Result 1321 states and 1544 transitions. [2018-11-22 23:03:15,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:03:15,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2018-11-22 23:03:15,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:15,754 INFO L225 Difference]: With dead ends: 1321 [2018-11-22 23:03:15,754 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:03:15,756 INFO L631 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 [2018-11-22 23:03:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:03:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:03:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:03:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:03:15,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2018-11-22 23:03:15,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:15,758 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:03:15,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:03:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:03:15,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:03:15,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:03:15,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:15,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:03:16,524 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2018-11-22 23:03:16,679 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-11-22 23:03:16,854 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2018-11-22 23:03:17,700 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-22 23:03:17,888 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2018-11-22 23:03:17,888 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-22 23:03:17,888 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2018-11-22 23:03:17,888 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2018-11-22 23:03:17,888 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or (not (= ~systemActive~0 0)) .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse3 .cse2))) [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L898-1(line 898) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L444 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~systemActive~0 0)) (or .cse3 .cse4)))) [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 911) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L444 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~systemActive~0 0)) .cse2 (or .cse3 .cse1)) (or .cse3 .cse0 .cse2 .cse1))) [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 917) no Hoare annotation was computed. [2018-11-22 23:03:17,889 INFO L448 ceAbstractionStarter]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L451 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: true [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 0)) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 771) no Hoare annotation was computed. [2018-11-22 23:03:17,890 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (not (= |old(~systemActive~0)| 0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (or .cse2 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse3 (and .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse3 .cse4 .cse1)))) [2018-11-22 23:03:17,890 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2018-11-22 23:03:17,891 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-22 23:03:17,891 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 867) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2018-11-22 23:03:17,891 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2018-11-22 23:03:17,891 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~5 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-22 23:03:17,892 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-22 23:03:17,892 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~systemActive~0 0) .cse4 .cse3 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-22 23:03:17,893 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L444 ceAbstractionStarter]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~systemActive~0 0) .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-22 23:03:17,893 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (and .cse0 .cse6 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5 .cse6 .cse1) (and .cse5 .cse6 .cse1 .cse2) (and .cse3 (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2018-11-22 23:03:17,893 INFO L444 ceAbstractionStarter]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (= ~pumpRunning~0 1) .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and .cse4 .cse3)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L524(lines 523 570) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 566) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 674) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2018-11-22 23:03:17,894 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-22 23:03:17,894 INFO L448 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-22 23:03:17,895 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point L751(lines 751 755) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L451 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: true [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2018-11-22 23:03:17,895 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse5 .cse4) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse6) (and .cse3 .cse5 .cse4)) (or (or .cse0 .cse1 .cse7) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-22 23:03:17,895 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= ~systemActive~0 0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse2 .cse5 .cse4) (and .cse6 .cse5) (or .cse0 .cse1 .cse7)) (or (and .cse6 .cse4) .cse8 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse8) (and .cse3 .cse6 .cse4)) (or .cse5 .cse9 (or .cse0 .cse7)) (or .cse9 (and .cse2 (or (= ~waterLevel~0 1) .cse5) .cse4) .cse0))) [2018-11-22 23:03:17,896 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0) (or (and .cse3 .cse4 .cse5) (or (or .cse1 .cse2) .cse6)) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L599(lines 595 617) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L597(lines 595 617) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or .cse6 (and .cse5 (or (= ~waterLevel~0 1) .cse7)) .cse0) (or (or (or .cse1 .cse8) .cse9) (and .cse10 .cse7)) (or .cse6 .cse7 (or .cse0 .cse8)) (or (and .cse5 .cse7) (or .cse0 .cse1 .cse8)) (or (and .cse10 .cse7 .cse4) .cse9 .cse1 .cse2) (or .cse6 .cse4 (or .cse0 .cse2)))) [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-22 23:03:17,896 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-22 23:03:17,897 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (or (= ~waterLevel~0 1) .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or .cse2 .cse1 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse0) (or (or .cse0 .cse1) .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse6 .cse7) (or .cse6 .cse5 .cse4 .cse0 .cse7)))) [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-11-22 23:03:17,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2018-11-22 23:03:17,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:03:17 BoogieIcfgContainer [2018-11-22 23:03:17,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:03:17,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:03:17,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:03:17,908 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:03:17,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:09" (3/4) ... [2018-11-22 23:03:17,911 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:03:17,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:03:17,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:03:17,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-22 23:03:17,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:03:17,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:03:17,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:03:17,923 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:03:17,923 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:03:17,923 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:03:17,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-22 23:03:17,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-22 23:03:17,979 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61bdbd93-a942-4589-b270-ff2f452d3e4e/bin-2019/utaipan/witness.graphml [2018-11-22 23:03:17,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:03:17,979 INFO L168 Benchmark]: Toolchain (without parser) took 9035.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.9 MB). Free memory was 950.0 MB in the beginning and 1.3 GB in the end (delta: -386.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,980 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:03:17,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:03:17,981 INFO L168 Benchmark]: Boogie Preprocessor took 31.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,981 INFO L168 Benchmark]: RCFGBuilder took 513.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,981 INFO L168 Benchmark]: TraceAbstraction took 8042.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 287.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -301.1 MB). Peak memory consumption was 519.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,981 INFO L168 Benchmark]: Witness Printer took 71.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 513.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8042.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 287.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -301.1 MB). Peak memory consumption was 519.9 MB. Max. memory is 11.5 GB. * Witness Printer took 71.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 152 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1875 SDtfs, 1435 SDslu, 5340 SDs, 0 SdLazy, 2433 SolverSat, 450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 328 SyntacticMatches, 6 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 707 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1797 PreInvPairs, 1874 NumberOfFragments, 2024 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 4572 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7667 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1234 NumberOfCodeBlocks, 1234 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1371 ConstructedInterpolants, 0 QuantifiedInterpolants, 282208 SizeOfPredicates, 4 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 371/394 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...