./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49_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_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/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 c3f15e5f0b48b2733d67e168986a8e79f37fa442 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 09:24:29,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:24:29,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:24:29,378 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:24:29,378 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:24:29,379 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:24:29,380 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:24:29,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:24:29,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:24:29,384 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:24:29,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:24:29,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:24:29,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:24:29,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:24:29,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:24:29,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:24:29,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:24:29,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:24:29,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:24:29,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:24:29,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:24:29,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:24:29,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:24:29,400 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:24:29,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:24:29,401 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:24:29,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:24:29,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:24:29,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:24:29,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:24:29,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:24:29,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:24:29,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:24:29,407 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:24:29,407 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:24:29,408 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:24:29,408 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 09:24:29,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:24:29,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:24:29,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:24:29,423 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:24:29,423 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 09:24:29,423 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 09:24:29,423 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 09:24:29,424 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 09:24:29,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:24:29,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:24:29,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:24:29,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:24:29,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:24:29,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:24:29,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:24:29,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:24:29,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:24:29,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:24:29,429 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:24:29,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:24:29,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:24:29,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:24:29,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:24:29,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:24:29,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:24:29,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:24:29,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 09:24:29,431 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_82fdd771-4283-48f6-a352-3d3116047cc6/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 -> c3f15e5f0b48b2733d67e168986a8e79f37fa442 [2018-11-23 09:24:29,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:24:29,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:24:29,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:24:29,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:24:29,481 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:24:29,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:29,522 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/data/de5978a63/a2bd3d4f72294e4a91ea8bda7652e36a/FLAGd1f252814 [2018-11-23 09:24:29,919 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:24:29,920 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:29,928 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/data/de5978a63/a2bd3d4f72294e4a91ea8bda7652e36a/FLAGd1f252814 [2018-11-23 09:24:30,297 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/data/de5978a63/a2bd3d4f72294e4a91ea8bda7652e36a [2018-11-23 09:24:30,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:24:30,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:24:30,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:24:30,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:24:30,304 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:24:30,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7c0064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30, skipping insertion in model container [2018-11-23 09:24:30,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:24:30,341 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:24:30,536 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:24:30,545 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:24:30,662 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:24:30,684 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:24:30,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30 WrapperNode [2018-11-23 09:24:30,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:24:30,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:24:30,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:24:30,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:24:30,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:24:30,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:24:30,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:24:30,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:24:30,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... [2018-11-23 09:24:30,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:24:30,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:24:30,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:24:30,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:24:30,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/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 [2018-11-23 09:24:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:24:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:24:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:24:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:24:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 09:24:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 09:24:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:24:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:24:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:24:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 09:24:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 09:24:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:24:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:24:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 09:24:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 09:24:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:24:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:24:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 09:24:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 09:24:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 09:24:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 09:24:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 09:24:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 09:24:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 09:24:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 09:24:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:24:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:24:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:24:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:24:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:24:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:24:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:24:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:24:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:24:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:24:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:24:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:24:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:24:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:24:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 09:24:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 09:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 09:24:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 09:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 09:24:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 09:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:24:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:24:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 09:24:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 09:24:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:24:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:24:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:24:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:24:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:24:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:24:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:24:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:24:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:24:31,220 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:24:31,220 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:24:31,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:31 BoogieIcfgContainer [2018-11-23 09:24:31,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:24:31,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:24:31,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:24:31,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:24:31,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:30" (1/3) ... [2018-11-23 09:24:31,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e6c1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:31, skipping insertion in model container [2018-11-23 09:24:31,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:30" (2/3) ... [2018-11-23 09:24:31,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e6c1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:31, skipping insertion in model container [2018-11-23 09:24:31,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:31" (3/3) ... [2018-11-23 09:24:31,226 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:31,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:24:31,237 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:24:31,247 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:24:31,268 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:24:31,269 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:24:31,269 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:24:31,269 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:24:31,269 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:24:31,269 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:24:31,269 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:24:31,269 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:24:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-23 09:24:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 09:24:31,289 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:31,289 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] [2018-11-23 09:24:31,291 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:31,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:31,294 INFO L82 PathProgramCache]: Analyzing trace with hash -199928423, now seen corresponding path program 1 times [2018-11-23 09:24:31,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:31,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:31,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:31,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:31,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:31,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:31,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:24:31,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:31,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:24:31,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:24:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:24:31,496 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-23 09:24:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:31,522 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2018-11-23 09:24:31,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:24:31,524 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 09:24:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:31,532 INFO L225 Difference]: With dead ends: 272 [2018-11-23 09:24:31,532 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 09:24:31,534 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 [2018-11-23 09:24:31,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 09:24:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 09:24:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 09:24:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2018-11-23 09:24:31,580 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2018-11-23 09:24:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:31,580 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2018-11-23 09:24:31,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:24:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2018-11-23 09:24:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 09:24:31,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:31,584 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] [2018-11-23 09:24:31,584 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:31,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:31,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1289307987, now seen corresponding path program 1 times [2018-11-23 09:24:31,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:31,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:31,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:31,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:31,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:31,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:31,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:24:31,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:31,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:24:31,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:24:31,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:24:31,741 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 7 states. [2018-11-23 09:24:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:32,070 INFO L93 Difference]: Finished difference Result 248 states and 299 transitions. [2018-11-23 09:24:32,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:24:32,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 09:24:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:32,072 INFO L225 Difference]: With dead ends: 248 [2018-11-23 09:24:32,072 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 09:24:32,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:24:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 09:24:32,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 09:24:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 09:24:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-23 09:24:32,090 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 64 [2018-11-23 09:24:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:32,091 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-23 09:24:32,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:24:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-23 09:24:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 09:24:32,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:32,094 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] [2018-11-23 09:24:32,094 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:32,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:32,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1698905688, now seen corresponding path program 1 times [2018-11-23 09:24:32,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:32,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:32,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:32,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:32,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:24:32,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:32,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:24:32,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:24:32,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:24:32,152 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-23 09:24:32,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:32,164 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-11-23 09:24:32,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:24:32,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-23 09:24:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:32,166 INFO L225 Difference]: With dead ends: 221 [2018-11-23 09:24:32,166 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 09:24:32,167 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 [2018-11-23 09:24:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 09:24:32,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 09:24:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 09:24:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-23 09:24:32,178 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 73 [2018-11-23 09:24:32,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:32,179 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-23 09:24:32,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:24:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-23 09:24:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 09:24:32,180 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:32,181 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] [2018-11-23 09:24:32,181 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:32,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:32,181 INFO L82 PathProgramCache]: Analyzing trace with hash 81357180, now seen corresponding path program 1 times [2018-11-23 09:24:32,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:32,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:32,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:32,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:32,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:24:32,289 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:32,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:24:32,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:24:32,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:24:32,290 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 5 states. [2018-11-23 09:24:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:32,627 INFO L93 Difference]: Finished difference Result 331 states and 401 transitions. [2018-11-23 09:24:32,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:24:32,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-23 09:24:32,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:32,630 INFO L225 Difference]: With dead ends: 331 [2018-11-23 09:24:32,630 INFO L226 Difference]: Without dead ends: 230 [2018-11-23 09:24:32,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:24:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-23 09:24:32,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2018-11-23 09:24:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-23 09:24:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2018-11-23 09:24:32,650 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2018-11-23 09:24:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:32,651 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2018-11-23 09:24:32,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:24:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2018-11-23 09:24:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 09:24:32,652 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:32,653 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] [2018-11-23 09:24:32,653 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:32,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:32,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2050827721, now seen corresponding path program 1 times [2018-11-23 09:24:32,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:32,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:32,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:32,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:24:32,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:32,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:24:32,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:32,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:24:32,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:24:32,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:24:32,755 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 7 states. [2018-11-23 09:24:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:33,121 INFO L93 Difference]: Finished difference Result 413 states and 491 transitions. [2018-11-23 09:24:33,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 09:24:33,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-23 09:24:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:33,123 INFO L225 Difference]: With dead ends: 413 [2018-11-23 09:24:33,123 INFO L226 Difference]: Without dead ends: 229 [2018-11-23 09:24:33,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 09:24:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-23 09:24:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2018-11-23 09:24:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-23 09:24:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2018-11-23 09:24:33,139 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2018-11-23 09:24:33,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:33,139 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2018-11-23 09:24:33,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:24:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2018-11-23 09:24:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 09:24:33,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:33,140 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] [2018-11-23 09:24:33,140 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:33,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:33,141 INFO L82 PathProgramCache]: Analyzing trace with hash -185986497, now seen corresponding path program 1 times [2018-11-23 09:24:33,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:33,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:33,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:33,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:33,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:24:33,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:33,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:24:33,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:24:33,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:24:33,192 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 6 states. [2018-11-23 09:24:33,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:33,224 INFO L93 Difference]: Finished difference Result 399 states and 464 transitions. [2018-11-23 09:24:33,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:24:33,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-11-23 09:24:33,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:33,227 INFO L225 Difference]: With dead ends: 399 [2018-11-23 09:24:33,227 INFO L226 Difference]: Without dead ends: 216 [2018-11-23 09:24:33,228 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 [2018-11-23 09:24:33,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-23 09:24:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-11-23 09:24:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-23 09:24:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-11-23 09:24:33,242 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2018-11-23 09:24:33,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:33,242 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-11-23 09:24:33,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:24:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-11-23 09:24:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 09:24:33,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:33,244 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] [2018-11-23 09:24:33,244 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:33,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:33,244 INFO L82 PathProgramCache]: Analyzing trace with hash 515613377, now seen corresponding path program 1 times [2018-11-23 09:24:33,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:33,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:33,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:33,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:33,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 09:24:33,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:33,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:24:33,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:24:33,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:24:33,323 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2018-11-23 09:24:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:33,351 INFO L93 Difference]: Finished difference Result 411 states and 481 transitions. [2018-11-23 09:24:33,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:24:33,352 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-11-23 09:24:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:33,354 INFO L225 Difference]: With dead ends: 411 [2018-11-23 09:24:33,354 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 09:24:33,354 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 [2018-11-23 09:24:33,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 09:24:33,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2018-11-23 09:24:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-23 09:24:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2018-11-23 09:24:33,366 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2018-11-23 09:24:33,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:33,367 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2018-11-23 09:24:33,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:24:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2018-11-23 09:24:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 09:24:33,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:33,368 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] [2018-11-23 09:24:33,368 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:33,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash -2053873022, now seen corresponding path program 1 times [2018-11-23 09:24:33,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:33,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:33,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,369 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:33,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:33,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 09:24:33,441 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:33,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 09:24:33,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 09:24:33,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:24:33,442 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 4 states. [2018-11-23 09:24:33,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:33,608 INFO L93 Difference]: Finished difference Result 639 states and 763 transitions. [2018-11-23 09:24:33,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:24:33,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-11-23 09:24:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:33,611 INFO L225 Difference]: With dead ends: 639 [2018-11-23 09:24:33,611 INFO L226 Difference]: Without dead ends: 447 [2018-11-23 09:24:33,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:24:33,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-23 09:24:33,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 438. [2018-11-23 09:24:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2018-11-23 09:24:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 512 transitions. [2018-11-23 09:24:33,639 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 512 transitions. Word has length 92 [2018-11-23 09:24:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:33,639 INFO L480 AbstractCegarLoop]: Abstraction has 438 states and 512 transitions. [2018-11-23 09:24:33,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 09:24:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 512 transitions. [2018-11-23 09:24:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 09:24:33,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:33,641 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] [2018-11-23 09:24:33,641 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:33,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash 503588668, now seen corresponding path program 1 times [2018-11-23 09:24:33,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:33,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:24:33,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:33,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 09:24:33,764 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:33,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 09:24:33,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 09:24:33,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:24:33,764 INFO L87 Difference]: Start difference. First operand 438 states and 512 transitions. Second operand 9 states. [2018-11-23 09:24:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:34,334 INFO L93 Difference]: Finished difference Result 1143 states and 1401 transitions. [2018-11-23 09:24:34,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 09:24:34,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-11-23 09:24:34,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:34,339 INFO L225 Difference]: With dead ends: 1143 [2018-11-23 09:24:34,339 INFO L226 Difference]: Without dead ends: 801 [2018-11-23 09:24:34,340 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 [2018-11-23 09:24:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-23 09:24:34,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 728. [2018-11-23 09:24:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2018-11-23 09:24:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 841 transitions. [2018-11-23 09:24:34,383 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 841 transitions. Word has length 96 [2018-11-23 09:24:34,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:34,383 INFO L480 AbstractCegarLoop]: Abstraction has 728 states and 841 transitions. [2018-11-23 09:24:34,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 09:24:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 841 transitions. [2018-11-23 09:24:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 09:24:34,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:34,385 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, 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] [2018-11-23 09:24:34,385 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:34,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:34,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1937173496, now seen corresponding path program 1 times [2018-11-23 09:24:34,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:34,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:34,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:34,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:34,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:24:34,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:34,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 09:24:34,502 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 09:24:34,504 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [67], [71], [72], [73], [76], [78], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [129], [144], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [199], [202], [206], [212], [215], [219], [220], [224], [227], [229], [232], [239], [242], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [277], [278], [281], [282], [283], [284], [285], [286], [289], [290], [293], [294], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [311], [312], [313], [314], [317], [318] [2018-11-23 09:24:34,534 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 09:24:34,534 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 09:24:36,213 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 09:24:36,214 INFO L272 AbstractInterpreter]: Visited 125 different actions 757 times. Merged at 18 different actions 68 times. Never widened. Performed 24612 root evaluator evaluations with a maximum evaluation depth of 5. Performed 24612 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 09:24:36,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:36,219 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 09:24:36,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:36,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/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 [2018-11-23 09:24:36,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:36,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 09:24:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:36,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:24:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:36,447 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 09:24:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:24:36,736 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 09:24:36,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 09:24:36,736 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 09:24:36,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 09:24:36,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 09:24:36,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:24:36,737 INFO L87 Difference]: Start difference. First operand 728 states and 841 transitions. Second operand 16 states. [2018-11-23 09:24:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:37,311 INFO L93 Difference]: Finished difference Result 1628 states and 1961 transitions. [2018-11-23 09:24:37,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 09:24:37,311 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2018-11-23 09:24:37,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:37,315 INFO L225 Difference]: With dead ends: 1628 [2018-11-23 09:24:37,315 INFO L226 Difference]: Without dead ends: 994 [2018-11-23 09:24:37,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 09:24:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-23 09:24:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 874. [2018-11-23 09:24:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2018-11-23 09:24:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1021 transitions. [2018-11-23 09:24:37,353 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1021 transitions. Word has length 157 [2018-11-23 09:24:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:37,353 INFO L480 AbstractCegarLoop]: Abstraction has 874 states and 1021 transitions. [2018-11-23 09:24:37,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 09:24:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1021 transitions. [2018-11-23 09:24:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 09:24:37,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:37,357 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, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:24:37,357 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:37,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:37,357 INFO L82 PathProgramCache]: Analyzing trace with hash -187403605, now seen corresponding path program 1 times [2018-11-23 09:24:37,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:37,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:37,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:37,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:37,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 92 proven. 16 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-23 09:24:37,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:37,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 09:24:37,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-11-23 09:24:37,468 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [66], [67], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [129], [144], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [199], [202], [206], [212], [215], [219], [220], [224], [227], [229], [232], [239], [242], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [293], [294], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [311], [312], [313], [314], [317], [318] [2018-11-23 09:24:37,472 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 09:24:37,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 09:24:38,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 09:24:38,740 INFO L272 AbstractInterpreter]: Visited 126 different actions 603 times. Merged at 18 different actions 59 times. Never widened. Performed 23835 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-23 09:24:38,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:38,751 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 09:24:38,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:38,751 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:24:38,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:38,764 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 09:24:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:38,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:24:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 09:24:39,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 09:24:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-23 09:24:39,640 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 09:24:39,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-23 09:24:39,640 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 09:24:39,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 09:24:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 09:24:39,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-23 09:24:39,641 INFO L87 Difference]: Start difference. First operand 874 states and 1021 transitions. Second operand 18 states. [2018-11-23 09:24:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:41,279 INFO L93 Difference]: Finished difference Result 2330 states and 2890 transitions. [2018-11-23 09:24:41,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 09:24:41,280 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 273 [2018-11-23 09:24:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:41,287 INFO L225 Difference]: With dead ends: 2330 [2018-11-23 09:24:41,287 INFO L226 Difference]: Without dead ends: 1264 [2018-11-23 09:24:41,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 534 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 09:24:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2018-11-23 09:24:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1163. [2018-11-23 09:24:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2018-11-23 09:24:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1342 transitions. [2018-11-23 09:24:41,375 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1342 transitions. Word has length 273 [2018-11-23 09:24:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:41,375 INFO L480 AbstractCegarLoop]: Abstraction has 1163 states and 1342 transitions. [2018-11-23 09:24:41,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 09:24:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1342 transitions. [2018-11-23 09:24:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-11-23 09:24:41,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:41,383 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:24:41,383 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:41,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:41,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2064167782, now seen corresponding path program 1 times [2018-11-23 09:24:41,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 09:24:41,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:41,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:41,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:41,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 09:24:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 09:24:41,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:41,582 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 09:24:41,582 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 358 with the following transitions: [2018-11-23 09:24:41,583 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [57], [59], [60], [61], [65], [66], [67], [70], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [102], [106], [110], [113], [116], [118], [124], [126], [129], [144], [145], [146], [147], [148], [149], [150], [151], [152], [154], [157], [159], [161], [162], [199], [202], [206], [212], [215], [219], [220], [224], [227], [229], [232], [235], [239], [242], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [293], [294], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318] [2018-11-23 09:24:41,586 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 09:24:41,586 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 09:24:44,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 09:24:44,628 INFO L272 AbstractInterpreter]: Visited 137 different actions 1711 times. Merged at 40 different actions 394 times. Widened at 1 different actions 1 times. Performed 60294 root evaluator evaluations with a maximum evaluation depth of 5. Performed 60294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 89 fixpoints after 9 different actions. Largest state had 134 variables. [2018-11-23 09:24:44,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:44,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 09:24:44,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:24:44,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:24:44,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:44,654 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 09:24:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:44,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:24:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-23 09:24:44,896 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 09:24:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 09:24:45,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:24:45,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 09:24:45,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 09:24:45,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:24:45,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:24:45,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 09:24:45,194 INFO L87 Difference]: Start difference. First operand 1163 states and 1342 transitions. Second operand 6 states. [2018-11-23 09:24:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:45,228 INFO L93 Difference]: Finished difference Result 1413 states and 1621 transitions. [2018-11-23 09:24:45,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:24:45,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 357 [2018-11-23 09:24:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:45,230 INFO L225 Difference]: With dead ends: 1413 [2018-11-23 09:24:45,230 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:24:45,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 709 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 09:24:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:24:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:24:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:24:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:24:45,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2018-11-23 09:24:45,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:45,233 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:24:45,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:24:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:24:45,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:24:45,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:24:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:24:45,844 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-23 09:24:46,255 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-23 09:24:46,668 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-23 09:24:47,414 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-23 09:24:47,842 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2018-11-23 09:24:47,843 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L451 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 976) no Hoare annotation was computed. [2018-11-23 09:24:47,844 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse5) (or .cse2 .cse0 .cse3 .cse5 .cse4))) [2018-11-23 09:24:47,844 INFO L448 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point L962(lines 962 979) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 527) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,845 INFO L444 ceAbstractionStarter]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-23 09:24:47,845 INFO L451 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2018-11-23 09:24:47,846 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,846 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2018-11-23 09:24:47,846 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-23 09:24:47,847 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2018-11-23 09:24:47,848 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 09:24:47,848 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 09:24:47,848 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2018-11-23 09:24:47,848 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 09:24:47,848 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-11-23 09:24:47,848 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-11-23 09:24:47,848 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,848 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-23 09:24:47,849 INFO L444 ceAbstractionStarter]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 271) no Hoare annotation was computed. [2018-11-23 09:24:47,849 INFO L444 ceAbstractionStarter]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L444 ceAbstractionStarter]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 310) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 306) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:24:47,850 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 09:24:47,851 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2018-11-23 09:24:47,851 INFO L451 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2018-11-23 09:24:47,851 INFO L448 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L451 ceAbstractionStarter]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2018-11-23 09:24:47,852 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 09:24:47,852 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2018-11-23 09:24:47,853 INFO L451 ceAbstractionStarter]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2018-11-23 09:24:47,853 INFO L451 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: true [2018-11-23 09:24:47,853 INFO L448 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2018-11-23 09:24:47,853 INFO L451 ceAbstractionStarter]: At program point L459(lines 434 463) the Hoare annotation is: true [2018-11-23 09:24:47,853 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 09:24:47,853 INFO L444 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 09:24:47,853 INFO L448 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-11-23 09:24:47,853 INFO L448 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-11-23 09:24:47,853 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-23 09:24:47,853 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-11-23 09:24:47,854 INFO L444 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-23 09:24:47,854 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-11-23 09:24:47,854 INFO L444 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-23 09:24:47,854 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 09:24:47,854 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2018-11-23 09:24:47,854 INFO L448 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2018-11-23 09:24:47,854 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2018-11-23 09:24:47,854 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2018-11-23 09:24:47,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:24:47,855 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)) [2018-11-23 09:24:47,855 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:24:47,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:24:47,855 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 09:24:47,855 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 09:24:47,855 INFO L448 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-11-23 09:24:47,855 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-11-23 09:24:47,855 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2018-11-23 09:24:47,855 INFO L444 ceAbstractionStarter]: At program point L109(line 109) 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))))) [2018-11-23 09:24:47,856 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-11-23 09:24:47,856 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 09:24:47,856 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-23 09:24:47,856 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-11-23 09:24:47,856 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2018-11-23 09:24:47,856 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-23 09:24:47,856 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2018-11-23 09:24:47,856 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2018-11-23 09:24:47,857 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2018-11-23 09:24:47,857 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2018-11-23 09:24:47,857 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2018-11-23 09:24:47,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:47 BoogieIcfgContainer [2018-11-23 09:24:47,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:24:47,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:24:47,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:24:47,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:24:47,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:31" (3/4) ... [2018-11-23 09:24:47,873 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:24:47,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 09:24:47,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:24:47,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:24:47,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:24:47,887 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 09:24:47,888 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:24:47,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:24:47,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:24:47,891 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:24:47,891 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:24:47,891 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:24:47,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 09:24:47,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 09:24:47,946 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82fdd771-4283-48f6-a352-3d3116047cc6/bin-2019/utaipan/witness.graphml [2018-11-23 09:24:47,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:24:47,947 INFO L168 Benchmark]: Toolchain (without parser) took 17647.56 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -381.3 MB). Peak memory consumption was 716.5 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:47,948 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:24:47,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:47,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:24:47,948 INFO L168 Benchmark]: Boogie Preprocessor took 30.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:47,948 INFO L168 Benchmark]: RCFGBuilder took 476.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:47,949 INFO L168 Benchmark]: TraceAbstraction took 16647.52 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 945.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.4 MB). Peak memory consumption was 988.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:47,949 INFO L168 Benchmark]: Witness Printer took 77.64 ms. Allocated memory is still 2.1 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:24:47,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16647.52 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 945.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.4 MB). Peak memory consumption was 988.6 MB. Max. memory is 11.5 GB. * Witness Printer took 77.64 ms. Allocated memory is still 2.1 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 16.5s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2240 SDtfs, 2457 SDslu, 6419 SDs, 0 SdLazy, 4985 SolverSat, 1304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1763 GetRequests, 1593 SyntacticMatches, 23 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 342 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1790 PreInvPairs, 1862 NumberOfFragments, 1600 HoareAnnotationTreeSize, 1790 FomulaSimplifications, 9624 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 13058 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2310 NumberOfCodeBlocks, 2310 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3079 ConstructedInterpolants, 0 QuantifiedInterpolants, 976304 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3448 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2464/2577 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...