./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 7c9d11b324245890faf2aa5cc0763c01a125dd6d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:33:12,355 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:33:12,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:33:12,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:33:12,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:33:12,365 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:33:12,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:33:12,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:33:12,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:33:12,369 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:33:12,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:33:12,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:33:12,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:33:12,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:33:12,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:33:12,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:33:12,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:33:12,375 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:33:12,376 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:33:12,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:33:12,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:33:12,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:33:12,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:33:12,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:33:12,381 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:33:12,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:33:12,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:33:12,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:33:12,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:33:12,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:33:12,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:33:12,385 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:33:12,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:33:12,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:33:12,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:33:12,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:33:12,387 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:33:12,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:33:12,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:33:12,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:33:12,397 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:33:12,397 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:33:12,398 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:33:12,398 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:33:12,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:33:12,399 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:33:12,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:33:12,399 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:33:12,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:33:12,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:33:12,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:33:12,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:33:12,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:33:12,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:33:12,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:33:12,402 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_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 -> 7c9d11b324245890faf2aa5cc0763c01a125dd6d [2018-11-18 17:33:12,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:33:12,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:33:12,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:33:12,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:33:12,436 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:33:12,436 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 17:33:12,476 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/data/99abf3f97/df3d887663db4d678b20754f0a7c2fcd/FLAGb9b4da27a [2018-11-18 17:33:12,863 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:33:12,863 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 17:33:12,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/data/99abf3f97/df3d887663db4d678b20754f0a7c2fcd/FLAGb9b4da27a [2018-11-18 17:33:13,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/data/99abf3f97/df3d887663db4d678b20754f0a7c2fcd [2018-11-18 17:33:13,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:33:13,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:33:13,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:33:13,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:33:13,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:33:13,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0903a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13, skipping insertion in model container [2018-11-18 17:33:13,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:33:13,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:33:13,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:33:13,537 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:33:13,701 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:33:13,726 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:33:13,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13 WrapperNode [2018-11-18 17:33:13,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:33:13,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:33:13,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:33:13,727 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:33:13,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:33:13,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:33:13,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:33:13,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:33:13,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... [2018-11-18 17:33:13,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:33:13,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:33:13,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:33:13,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:33:13,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 [2018-11-18 17:33:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:33:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:33:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:33:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:33:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 17:33:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 17:33:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:33:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:33:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:33:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:33:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:33:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:33:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:33:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:33:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:33:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:33:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:33:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:33:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:33:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:33:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:33:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:33:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:33:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:33:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:33:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:33:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:33:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:33:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:33:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:33:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:33:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:33:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:33:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:33:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:33:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:33:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:33:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:33:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:33:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:33:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:33:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:33:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:33:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:33:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:33:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:33:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:33:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:33:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:33:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:33:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:33:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:33:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:33:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:33:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:33:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:33:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:33:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:33:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:33:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:33:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:33:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:33:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:33:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:33:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:33:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:33:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:33:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:33:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:33:14,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:33:14,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14 BoogieIcfgContainer [2018-11-18 17:33:14,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:33:14,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:33:14,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:33:14,461 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:33:14,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:33:13" (1/3) ... [2018-11-18 17:33:14,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adf6930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:33:14, skipping insertion in model container [2018-11-18 17:33:14,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:33:13" (2/3) ... [2018-11-18 17:33:14,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adf6930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:33:14, skipping insertion in model container [2018-11-18 17:33:14,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14" (3/3) ... [2018-11-18 17:33:14,465 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 17:33:14,477 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:33:14,487 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:33:14,500 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:33:14,527 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:33:14,527 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:33:14,527 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:33:14,527 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:33:14,528 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:33:14,529 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:33:14,529 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:33:14,529 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:33:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2018-11-18 17:33:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:33:14,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:14,555 INFO L375 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] [2018-11-18 17:33:14,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:14,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1584822900, now seen corresponding path program 1 times [2018-11-18 17:33:14,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:14,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:14,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:14,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:33:14,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:14,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:33:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:33:14,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:33:14,826 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2018-11-18 17:33:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:14,859 INFO L93 Difference]: Finished difference Result 338 states and 419 transitions. [2018-11-18 17:33:14,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:33:14,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 17:33:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:14,871 INFO L225 Difference]: With dead ends: 338 [2018-11-18 17:33:14,872 INFO L226 Difference]: Without dead ends: 171 [2018-11-18 17:33:14,875 INFO L604 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 [2018-11-18 17:33:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-11-18 17:33:14,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-11-18 17:33:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-18 17:33:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 203 transitions. [2018-11-18 17:33:14,915 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 203 transitions. Word has length 59 [2018-11-18 17:33:14,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:14,916 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 203 transitions. [2018-11-18 17:33:14,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:33:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2018-11-18 17:33:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:33:14,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:14,923 INFO L375 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] [2018-11-18 17:33:14,923 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:14,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1560285957, now seen corresponding path program 1 times [2018-11-18 17:33:14,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:14,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:14,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:14,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:15,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:15,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:33:15,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:15,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:33:15,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:33:15,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:33:15,053 INFO L87 Difference]: Start difference. First operand 171 states and 203 transitions. Second operand 3 states. [2018-11-18 17:33:15,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:15,086 INFO L93 Difference]: Finished difference Result 279 states and 331 transitions. [2018-11-18 17:33:15,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:33:15,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 17:33:15,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:15,089 INFO L225 Difference]: With dead ends: 279 [2018-11-18 17:33:15,089 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 17:33:15,090 INFO L604 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 [2018-11-18 17:33:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 17:33:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-18 17:33:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 17:33:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 190 transitions. [2018-11-18 17:33:15,109 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 190 transitions. Word has length 61 [2018-11-18 17:33:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:15,110 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 190 transitions. [2018-11-18 17:33:15,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:33:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 190 transitions. [2018-11-18 17:33:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:33:15,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:15,112 INFO L375 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] [2018-11-18 17:33:15,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:15,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:15,112 INFO L82 PathProgramCache]: Analyzing trace with hash 848077796, now seen corresponding path program 1 times [2018-11-18 17:33:15,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:15,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:15,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:15,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:15,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:15,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:15,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:33:15,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:15,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:33:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:33:15,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:33:15,366 INFO L87 Difference]: Start difference. First operand 161 states and 190 transitions. Second operand 7 states. [2018-11-18 17:33:16,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:16,202 INFO L93 Difference]: Finished difference Result 484 states and 589 transitions. [2018-11-18 17:33:16,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:33:16,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 17:33:16,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:16,205 INFO L225 Difference]: With dead ends: 484 [2018-11-18 17:33:16,206 INFO L226 Difference]: Without dead ends: 351 [2018-11-18 17:33:16,206 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:33:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-11-18 17:33:16,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 343. [2018-11-18 17:33:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-11-18 17:33:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 417 transitions. [2018-11-18 17:33:16,243 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 417 transitions. Word has length 65 [2018-11-18 17:33:16,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:16,243 INFO L480 AbstractCegarLoop]: Abstraction has 343 states and 417 transitions. [2018-11-18 17:33:16,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:33:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 417 transitions. [2018-11-18 17:33:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:33:16,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:16,247 INFO L375 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] [2018-11-18 17:33:16,247 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:16,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:16,247 INFO L82 PathProgramCache]: Analyzing trace with hash 870417329, now seen corresponding path program 1 times [2018-11-18 17:33:16,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:16,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:16,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:33:16,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:16,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:33:16,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:16,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:33:16,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:33:16,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:33:16,486 INFO L87 Difference]: Start difference. First operand 343 states and 417 transitions. Second operand 6 states. [2018-11-18 17:33:16,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:16,856 INFO L93 Difference]: Finished difference Result 801 states and 1008 transitions. [2018-11-18 17:33:16,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:33:16,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 17:33:16,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:16,860 INFO L225 Difference]: With dead ends: 801 [2018-11-18 17:33:16,860 INFO L226 Difference]: Without dead ends: 486 [2018-11-18 17:33:16,862 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:33:16,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-11-18 17:33:16,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 472. [2018-11-18 17:33:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2018-11-18 17:33:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 566 transitions. [2018-11-18 17:33:16,895 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 566 transitions. Word has length 71 [2018-11-18 17:33:16,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:16,895 INFO L480 AbstractCegarLoop]: Abstraction has 472 states and 566 transitions. [2018-11-18 17:33:16,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:33:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 566 transitions. [2018-11-18 17:33:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 17:33:16,899 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:16,899 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:16,900 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:16,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:16,900 INFO L82 PathProgramCache]: Analyzing trace with hash -116805530, now seen corresponding path program 1 times [2018-11-18 17:33:16,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:16,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:16,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:16,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:17,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:17,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:33:17,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:17,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:33:17,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:33:17,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:33:17,020 INFO L87 Difference]: Start difference. First operand 472 states and 566 transitions. Second operand 6 states. [2018-11-18 17:33:17,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:17,066 INFO L93 Difference]: Finished difference Result 930 states and 1156 transitions. [2018-11-18 17:33:17,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:33:17,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-18 17:33:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:17,072 INFO L225 Difference]: With dead ends: 930 [2018-11-18 17:33:17,072 INFO L226 Difference]: Without dead ends: 486 [2018-11-18 17:33:17,074 INFO L604 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 [2018-11-18 17:33:17,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-11-18 17:33:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 482. [2018-11-18 17:33:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-18 17:33:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 576 transitions. [2018-11-18 17:33:17,110 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 576 transitions. Word has length 113 [2018-11-18 17:33:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:17,110 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 576 transitions. [2018-11-18 17:33:17,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:33:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 576 transitions. [2018-11-18 17:33:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 17:33:17,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:17,112 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:17,112 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:17,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:17,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1822356516, now seen corresponding path program 1 times [2018-11-18 17:33:17,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:17,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:17,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,114 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:17,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:17,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:33:17,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:17,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:33:17,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:33:17,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:33:17,266 INFO L87 Difference]: Start difference. First operand 482 states and 576 transitions. Second operand 8 states. [2018-11-18 17:33:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:17,317 INFO L93 Difference]: Finished difference Result 950 states and 1176 transitions. [2018-11-18 17:33:17,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:33:17,318 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2018-11-18 17:33:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:17,320 INFO L225 Difference]: With dead ends: 950 [2018-11-18 17:33:17,320 INFO L226 Difference]: Without dead ends: 496 [2018-11-18 17:33:17,321 INFO L604 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 [2018-11-18 17:33:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-11-18 17:33:17,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 490. [2018-11-18 17:33:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-11-18 17:33:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 584 transitions. [2018-11-18 17:33:17,343 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 584 transitions. Word has length 113 [2018-11-18 17:33:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:17,344 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 584 transitions. [2018-11-18 17:33:17,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:33:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 584 transitions. [2018-11-18 17:33:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 17:33:17,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:17,347 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:17,347 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:17,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:17,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1703440765, now seen corresponding path program 1 times [2018-11-18 17:33:17,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:17,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:17,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:17,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:17,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:33:17,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:17,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:33:17,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:33:17,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:33:17,544 INFO L87 Difference]: Start difference. First operand 490 states and 584 transitions. Second operand 4 states. [2018-11-18 17:33:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:17,803 INFO L93 Difference]: Finished difference Result 1549 states and 1932 transitions. [2018-11-18 17:33:17,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:33:17,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-11-18 17:33:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:17,810 INFO L225 Difference]: With dead ends: 1549 [2018-11-18 17:33:17,810 INFO L226 Difference]: Without dead ends: 1087 [2018-11-18 17:33:17,812 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:33:17,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2018-11-18 17:33:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1070. [2018-11-18 17:33:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2018-11-18 17:33:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1307 transitions. [2018-11-18 17:33:17,864 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1307 transitions. Word has length 113 [2018-11-18 17:33:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:17,864 INFO L480 AbstractCegarLoop]: Abstraction has 1070 states and 1307 transitions. [2018-11-18 17:33:17,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:33:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1307 transitions. [2018-11-18 17:33:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:33:17,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:17,867 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:17,867 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:17,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:17,867 INFO L82 PathProgramCache]: Analyzing trace with hash -660651715, now seen corresponding path program 1 times [2018-11-18 17:33:17,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:17,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:17,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:17,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:33:17,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:33:17,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:33:17,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:17,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:33:17,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:33:17,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:33:17,988 INFO L87 Difference]: Start difference. First operand 1070 states and 1307 transitions. Second operand 9 states. [2018-11-18 17:33:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:19,413 INFO L93 Difference]: Finished difference Result 2943 states and 3738 transitions. [2018-11-18 17:33:19,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:33:19,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2018-11-18 17:33:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:19,419 INFO L225 Difference]: With dead ends: 2943 [2018-11-18 17:33:19,419 INFO L226 Difference]: Without dead ends: 2096 [2018-11-18 17:33:19,422 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:33:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2018-11-18 17:33:19,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1879. [2018-11-18 17:33:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2018-11-18 17:33:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2259 transitions. [2018-11-18 17:33:19,510 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2259 transitions. Word has length 117 [2018-11-18 17:33:19,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:19,512 INFO L480 AbstractCegarLoop]: Abstraction has 1879 states and 2259 transitions. [2018-11-18 17:33:19,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:33:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2259 transitions. [2018-11-18 17:33:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 17:33:19,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:19,518 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:19,518 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:19,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:19,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1522346785, now seen corresponding path program 1 times [2018-11-18 17:33:19,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:19,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:19,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:19,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:19,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:33:19,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:19,711 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:19,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-18 17:33:19,713 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [247], [250], [254], [260], [263], [267], [268], [272], [275], [277], [280], [287], [290], [293], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [319], [320], [323], [324], [325], [326], [329], [330], [331], [332], [333], [335], [336], [337], [338], [341], [342], [343], [344], [345], [346], [351], [352], [355], [356], [357], [358], [359], [360], [365], [366], [367], [368], [369], [370], [371], [372], [373], [374], [375], [377], [378], [379], [380], [383], [384] [2018-11-18 17:33:19,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:19,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:21,419 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:21,420 INFO L272 AbstractInterpreter]: Visited 153 different actions 738 times. Merged at 16 different actions 44 times. Never widened. Performed 23554 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23554 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 17:33:21,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:21,439 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:21,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:21,439 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 [2018-11-18 17:33:21,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:21,448 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:21,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:21,724 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:33:22,134 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:33:22,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 17:33:22,134 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:33:22,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:33:22,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:33:22,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:33:22,135 INFO L87 Difference]: Start difference. First operand 1879 states and 2259 transitions. Second operand 16 states. [2018-11-18 17:33:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:23,509 INFO L93 Difference]: Finished difference Result 4260 states and 5341 transitions. [2018-11-18 17:33:23,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:33:23,510 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2018-11-18 17:33:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:23,521 INFO L225 Difference]: With dead ends: 4260 [2018-11-18 17:33:23,521 INFO L226 Difference]: Without dead ends: 2598 [2018-11-18 17:33:23,526 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 382 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 17:33:23,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2018-11-18 17:33:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2386. [2018-11-18 17:33:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2018-11-18 17:33:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2830 transitions. [2018-11-18 17:33:23,649 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2830 transitions. Word has length 195 [2018-11-18 17:33:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:23,649 INFO L480 AbstractCegarLoop]: Abstraction has 2386 states and 2830 transitions. [2018-11-18 17:33:23,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:33:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2830 transitions. [2018-11-18 17:33:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 17:33:23,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:23,657 INFO L375 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 17:33:23,658 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:23,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:23,658 INFO L82 PathProgramCache]: Analyzing trace with hash -156198470, now seen corresponding path program 1 times [2018-11-18 17:33:23,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:23,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:23,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:23,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:23,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 99 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-18 17:33:23,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:23,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:23,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-18 17:33:23,843 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [247], [250], [254], [260], [263], [267], [268], [272], [275], [277], [280], [287], [290], [293], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [319], [320], [323], [324], [325], [326], [329], [330], [331], [332], [333], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [351], [352], [355], [356], [357], [358], [359], [360], [365], [366], [367], [368], [369], [370], [371], [372], [373], [374], [375], [377], [378], [379], [380], [383], [384] [2018-11-18 17:33:23,846 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:23,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:25,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:25,107 INFO L272 AbstractInterpreter]: Visited 154 different actions 741 times. Merged at 16 different actions 44 times. Never widened. Performed 23302 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 17:33:25,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:25,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:25,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:25,117 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 [2018-11-18 17:33:25,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:25,124 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:25,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 239 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:33:25,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 78 proven. 31 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-11-18 17:33:26,071 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:33:26,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 17:33:26,071 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:33:26,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 17:33:26,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 17:33:26,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 17:33:26,073 INFO L87 Difference]: Start difference. First operand 2386 states and 2830 transitions. Second operand 18 states. [2018-11-18 17:33:28,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:28,896 INFO L93 Difference]: Finished difference Result 6447 states and 8062 transitions. [2018-11-18 17:33:28,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 17:33:28,896 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-11-18 17:33:28,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:28,905 INFO L225 Difference]: With dead ends: 6447 [2018-11-18 17:33:28,905 INFO L226 Difference]: Without dead ends: 3452 [2018-11-18 17:33:28,910 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 651 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 17:33:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2018-11-18 17:33:29,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 3262. [2018-11-18 17:33:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3262 states. [2018-11-18 17:33:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 3822 transitions. [2018-11-18 17:33:29,015 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 3822 transitions. Word has length 331 [2018-11-18 17:33:29,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:29,015 INFO L480 AbstractCegarLoop]: Abstraction has 3262 states and 3822 transitions. [2018-11-18 17:33:29,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 17:33:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 3822 transitions. [2018-11-18 17:33:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-11-18 17:33:29,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:29,023 INFO L375 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, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:29,023 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:29,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:29,023 INFO L82 PathProgramCache]: Analyzing trace with hash -582573151, now seen corresponding path program 1 times [2018-11-18 17:33:29,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:29,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:29,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:29,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:29,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-11-18 17:33:29,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:29,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:29,159 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 396 with the following transitions: [2018-11-18 17:33:29,159 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [164], [167], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [247], [250], [254], [257], [260], [263], [267], [268], [272], [275], [277], [280], [287], [290], [293], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [319], [320], [323], [324], [325], [326], [329], [330], [331], [332], [333], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [349], [350], [351], [352], [355], [356], [357], [358], [359], [360], [365], [366], [367], [368], [369], [370], [371], [372], [373], [374], [375], [377], [378], [379], [380], [383], [384] [2018-11-18 17:33:29,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:29,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:31,272 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:31,272 INFO L272 AbstractInterpreter]: Visited 157 different actions 1083 times. Merged at 23 different actions 132 times. Never widened. Performed 46951 root evaluator evaluations with a maximum evaluation depth of 5. Performed 46951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 34 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 17:33:31,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:31,286 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:31,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:31,286 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/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 [2018-11-18 17:33:31,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:31,294 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:31,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-18 17:33:31,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2018-11-18 17:33:31,747 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:33:31,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 17:33:31,747 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:31,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:33:31,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:33:31,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:33:31,748 INFO L87 Difference]: Start difference. First operand 3262 states and 3822 transitions. Second operand 3 states. [2018-11-18 17:33:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:31,852 INFO L93 Difference]: Finished difference Result 3809 states and 4489 transitions. [2018-11-18 17:33:31,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:33:31,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 395 [2018-11-18 17:33:31,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:31,863 INFO L225 Difference]: With dead ends: 3809 [2018-11-18 17:33:31,863 INFO L226 Difference]: Without dead ends: 1379 [2018-11-18 17:33:31,868 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:33:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2018-11-18 17:33:31,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1344. [2018-11-18 17:33:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-18 17:33:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1528 transitions. [2018-11-18 17:33:31,931 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1528 transitions. Word has length 395 [2018-11-18 17:33:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:31,931 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1528 transitions. [2018-11-18 17:33:31,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:33:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1528 transitions. [2018-11-18 17:33:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-11-18 17:33:31,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:33:31,939 INFO L375 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, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:33:31,939 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:33:31,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:31,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1373505403, now seen corresponding path program 1 times [2018-11-18 17:33:31,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:33:31,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:31,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:31,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:33:31,941 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:33:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-11-18 17:33:32,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:32,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:33:32,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-11-18 17:33:32,172 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [102], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [200], [202], [204], [205], [206], [207], [215], [216], [247], [250], [254], [260], [263], [267], [268], [272], [275], [277], [280], [283], [287], [290], [293], [297], [298], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [319], [320], [323], [324], [325], [326], [329], [330], [331], [332], [333], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [351], [352], [355], [356], [357], [358], [359], [360], [365], [366], [367], [368], [369], [370], [371], [372], [373], [374], [375], [377], [378], [379], [380], [381], [382], [383], [384] [2018-11-18 17:33:32,175 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:33:32,175 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:33:34,135 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:33:34,136 INFO L272 AbstractInterpreter]: Visited 155 different actions 1457 times. Merged at 38 different actions 321 times. Widened at 1 different actions 1 times. Performed 58310 root evaluator evaluations with a maximum evaluation depth of 5. Performed 58310 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 53 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-18 17:33:34,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:33:34,145 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:33:34,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:33:34,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:33:34,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:33:34,152 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:33:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:34,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:33:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-11-18 17:33:34,352 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:33:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-11-18 17:33:34,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:33:34,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 17:33:34,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:33:34,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:33:34,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:33:34,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:33:34,791 INFO L87 Difference]: Start difference. First operand 1344 states and 1528 transitions. Second operand 6 states. [2018-11-18 17:33:34,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:33:34,830 INFO L93 Difference]: Finished difference Result 1644 states and 1857 transitions. [2018-11-18 17:33:34,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:33:34,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 421 [2018-11-18 17:33:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:33:34,831 INFO L225 Difference]: With dead ends: 1644 [2018-11-18 17:33:34,831 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:33:34,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 837 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:33:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:33:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:33:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:33:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:33:34,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 421 [2018-11-18 17:33:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:33:34,834 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:33:34,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:33:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:33:34,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:33:34,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:33:34,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:34,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:33:35,787 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2018-11-18 17:33:36,354 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2018-11-18 17:33:36,609 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 49 [2018-11-18 17:33:36,928 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 33 [2018-11-18 17:33:37,109 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-11-18 17:33:37,479 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 40 [2018-11-18 17:33:37,831 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 17:33:38,058 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-18 17:33:38,307 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2018-11-18 17:33:38,495 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2018-11-18 17:33:38,775 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-11-18 17:33:39,137 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 53 [2018-11-18 17:33:39,324 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 38 [2018-11-18 17:33:39,327 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2018-11-18 17:33:39,327 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2018-11-18 17:33:39,327 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2018-11-18 17:33:39,327 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2018-11-18 17:33:39,327 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2018-11-18 17:33:39,327 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) 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))) [2018-11-18 17:33:39,327 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:33:39,327 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse1 .cse7 .cse4 .cse3) (or .cse1 .cse7 (< 2 ~waterLevel~0) .cse5 .cse6))) [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 17:33:39,328 INFO L421 ceAbstractionStarter]: At program point L77(line 77) 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 .cse2 (not (= ~systemActive~0 0)) (< 2 ~waterLevel~0) .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 17:33:39,328 INFO L421 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse4 .cse3) (or (< 1 ~waterLevel~0) .cse2 .cse6 .cse5 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse6 (or .cse5 (or .cse2 .cse1))))) [2018-11-18 17:33:39,328 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,329 INFO L421 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-18 17:33:39,329 INFO L421 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,330 INFO L425 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-18 17:33:39,330 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) 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))) [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point L399(line 399) 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))) [2018-11-18 17:33:39,330 INFO L425 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2018-11-18 17:33:39,330 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point L394(line 394) 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))) [2018-11-18 17:33:39,330 INFO L421 ceAbstractionStarter]: At program point L390(line 390) 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 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 17:33:39,330 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L421 ceAbstractionStarter]: At program point L386(line 386) 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))) [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1)) (or (not .cse4) (= 0 ~systemActive~0) .cse2 .cse5 .cse3) (or .cse2 .cse8 (not (= ~waterLevel~0 1))) (or (< ~switchedOnBeforeTS~0 1) (< 0 ~waterLevel~0) .cse2 .cse8) (or (and .cse7 (= ~pumpRunning~0 1)) (or (or .cse4 .cse9) .cse6)) (or .cse0 .cse6 (not (= |old(~systemActive~0)| 1)) .cse3 (= ~systemActive~0 1)) (or (or .cse2 .cse9) .cse8))) [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L421 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0) (or (< 0 ~waterLevel~0) .cse0 .cse3) (or (or .cse4 (< 2 ~waterLevel~0) .cse5 .cse3) (and .cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse0 (not (= ~waterLevel~0 1))) (or (and .cse6 (= ~pumpRunning~0 1)) (or (or .cse4 .cse1) .cse5)) (or .cse2 .cse5 (not (= |old(~systemActive~0)| 1)) .cse3 (= ~systemActive~0 1)))) [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-11-18 17:33:39,331 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2018-11-18 17:33:39,331 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L428 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2018-11-18 17:33:39,332 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L421 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2018-11-18 17:33:39,332 INFO L428 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~pumpRunning~0 1) (or (or .cse0 (not (= ~waterLevel~0 2))) .cse1)) (or (or .cse0 (< 2 ~waterLevel~0) .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point L657(lines 657 663) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L421 ceAbstractionStarter]: At program point L416(line 416) 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))) [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L421 ceAbstractionStarter]: At program point L412(line 412) 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))) [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point L412-1(line 412) no Hoare annotation was computed. [2018-11-18 17:33:39,333 INFO L425 ceAbstractionStarter]: For program point L410(lines 410 427) no Hoare annotation was computed. [2018-11-18 17:33:39,334 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2018-11-18 17:33:39,334 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 406 430) 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))) [2018-11-18 17:33:39,334 INFO L421 ceAbstractionStarter]: At program point L425(line 425) 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))) [2018-11-18 17:33:39,334 INFO L425 ceAbstractionStarter]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2018-11-18 17:33:39,334 INFO L421 ceAbstractionStarter]: At program point L420(line 420) 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))) [2018-11-18 17:33:39,334 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2018-11-18 17:33:39,334 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2018-11-18 17:33:39,334 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (<= ~waterLevel~0 2) .cse3 .cse1 .cse4) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 0) .cse1) (and (<= 2 ~waterLevel~0) (and .cse2 .cse3 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:33:39,334 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 144 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,334 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 196) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L421 ceAbstractionStarter]: At program point L190-1(lines 184 197) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse2 (= 0 ~systemActive~0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L155(lines 154 201) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L421 ceAbstractionStarter]: At program point L199(lines 154 201) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:33:39,335 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 2) .cse2 (= 0 ~systemActive~0) .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse4))) [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2018-11-18 17:33:39,335 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 201) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L421 ceAbstractionStarter]: At program point L202(lines 153 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) 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))) [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 452) no Hoare annotation was computed. [2018-11-18 17:33:39,336 INFO L421 ceAbstractionStarter]: At program point L444(line 444) 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))) [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 439 455) 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))) [2018-11-18 17:33:39,337 INFO L421 ceAbstractionStarter]: At program point L450(line 450) 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))) [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L428 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2018-11-18 17:33:39,337 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2018-11-18 17:33:39,337 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L428 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-11-18 17:33:39,338 INFO L425 ceAbstractionStarter]: For program point L222-1(lines 222 236) no Hoare annotation was computed. [2018-11-18 17:33:39,338 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-11-18 17:33:39,339 INFO L428 ceAbstractionStarter]: At program point L222-3(lines 222 236) the Hoare annotation is: true [2018-11-18 17:33:39,339 INFO L428 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-11-18 17:33:39,339 INFO L425 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-11-18 17:33:39,339 INFO L428 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-11-18 17:33:39,339 INFO L425 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-18 17:33:39,339 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse12 .cse7)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or (or (or .cse4 .cse6) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse1 .cse8 .cse4 .cse9 .cse5) (or .cse10 .cse1 .cse4 .cse5 .cse11) (or .cse10 .cse1 .cse0 .cse11 .cse5) (or (or .cse1 .cse4 .cse6) (and .cse12 (= 2 ~waterLevel~0))) (or .cse1 .cse0 .cse2 .cse8 .cse9)))) [2018-11-18 17:33:39,339 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse4 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (or .cse0 .cse2 .cse3) .cse4)))) [2018-11-18 17:33:39,339 INFO L421 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse1 .cse0 (< 2 |old(~waterLevel~0)|)) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0)))))) [2018-11-18 17:33:39,339 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L421 ceAbstractionStarter]: At program point L328(line 328) 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 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point L326(lines 322 344) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point L324(lines 322 344) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 576 587) 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)) [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:33:39,340 INFO L421 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)) [2018-11-18 17:33:39,340 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:33:39,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:33:39,341 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) 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))) [2018-11-18 17:33:39,341 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2018-11-18 17:33:39,341 INFO L421 ceAbstractionStarter]: At program point L373(line 373) 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))))) [2018-11-18 17:33:39,341 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2018-11-18 17:33:39,341 INFO L421 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~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))))) [2018-11-18 17:33:39,341 INFO L421 ceAbstractionStarter]: At program point L364(line 364) 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))))))) [2018-11-18 17:33:39,341 INFO L425 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2018-11-18 17:33:39,341 INFO L421 ceAbstractionStarter]: At program point L360(line 360) 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))) [2018-11-18 17:33:39,341 INFO L425 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2018-11-18 17:33:39,341 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2018-11-18 17:33:39,342 INFO L425 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-18 17:33:39,342 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-18 17:33:39,342 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (or .cse2 (or .cse4 .cse0) .cse3 .cse1) (or (= 1 ~waterLevel~0) (or .cse4 .cse0 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 17:33:39,342 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2018-11-18 17:33:39,342 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2018-11-18 17:33:39,342 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2018-11-18 17:33:39,342 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2018-11-18 17:33:39,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:33:39 BoogieIcfgContainer [2018-11-18 17:33:39,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:33:39,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:33:39,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:33:39,353 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:33:39,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:33:14" (3/4) ... [2018-11-18 17:33:39,356 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:33:39,361 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:33:39,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:33:39,363 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:33:39,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 17:33:39,370 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:33:39,370 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:33:39,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 17:33:39,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:33:39,430 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d2204d1-f9f4-45bb-9fa6-d032c1cbc154/bin-2019/utaipan/witness.graphml [2018-11-18 17:33:39,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:33:39,431 INFO L168 Benchmark]: Toolchain (without parser) took 26192.93 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 957.0 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:39,431 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:33:39,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:39,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:33:39,432 INFO L168 Benchmark]: Boogie Preprocessor took 34.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:33:39,432 INFO L168 Benchmark]: RCFGBuilder took 663.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:39,432 INFO L168 Benchmark]: TraceAbstraction took 24894.16 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 17:33:39,433 INFO L168 Benchmark]: Witness Printer took 77.78 ms. Allocated memory is still 2.6 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.1 kB). Peak memory consumption was 26.1 kB. Max. memory is 11.5 GB. [2018-11-18 17:33:39,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 663.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24894.16 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 77.78 ms. Allocated memory is still 2.6 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.1 kB). Peak memory consumption was 26.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 184 locations, 1 error locations. SAFE Result, 24.8s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2969 SDtfs, 2676 SDslu, 8887 SDs, 0 SdLazy, 6114 SolverSat, 1256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2863 GetRequests, 2693 SyntacticMatches, 20 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3262occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 703 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 4726 PreInvPairs, 4939 NumberOfFragments, 2676 HoareAnnotationTreeSize, 4726 FomulaSimplifications, 11579 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 75 FomulaSimplificationsInter, 33265 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3396 NumberOfCodeBlocks, 3396 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4718 ConstructedInterpolants, 0 QuantifiedInterpolants, 1860700 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4998 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4571/4695 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...