./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:16:48,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:16:48,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:16:48,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:16:48,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:16:48,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:16:48,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:16:48,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:16:48,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:16:48,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:16:48,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:16:48,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:16:48,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:16:48,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:16:48,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:16:48,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:16:48,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:16:48,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:16:48,513 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:16:48,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:16:48,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:16:48,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:16:48,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:16:48,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:16:48,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:16:48,517 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:16:48,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:16:48,518 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:16:48,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:16:48,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:16:48,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:16:48,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:16:48,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:16:48,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:16:48,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:16:48,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:16:48,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:16:48,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:16:48,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:16:48,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:16:48,528 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:16:48,528 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:16:48,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:16:48,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:16:48,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:16:48,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:16:48,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:16:48,531 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:16:48,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:16:48,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:16:48,531 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:16:48,531 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_29a62252-fc7c-44c7-9bff-0d78c1860710/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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-12-09 10:16:48,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:16:48,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:16:48,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:16:48,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:16:48,560 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:16:48,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-09 10:16:48,594 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/data/1083d91a6/f1f4dbdcc0f649438f070712b5eda186/FLAGd517a3c2b [2018-12-09 10:16:49,013 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:16:49,014 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-09 10:16:49,020 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/data/1083d91a6/f1f4dbdcc0f649438f070712b5eda186/FLAGd517a3c2b [2018-12-09 10:16:49,028 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/data/1083d91a6/f1f4dbdcc0f649438f070712b5eda186 [2018-12-09 10:16:49,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:16:49,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:16:49,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:16:49,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:16:49,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:16:49,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49, skipping insertion in model container [2018-12-09 10:16:49,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:16:49,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:16:49,224 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:16:49,265 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:16:49,314 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:16:49,331 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:16:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49 WrapperNode [2018-12-09 10:16:49,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:16:49,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:16:49,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:16:49,332 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:16:49,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:16:49,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:16:49,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:16:49,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:16:49,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... [2018-12-09 10:16:49,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:16:49,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:16:49,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:16:49,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:16:49,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:16:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:16:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 10:16:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 10:16:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:16:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:16:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:16:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:16:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:16:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:16:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 10:16:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 10:16:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:16:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:16:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:16:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:16:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:16:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:16:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:16:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:16:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:16:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:16:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:16:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:16:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:16:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:16:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:16:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:16:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:16:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:16:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:16:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:16:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:16:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:16:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:16:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:16:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:16:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:16:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:16:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:16:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:16:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:16:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:16:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:16:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:16:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:16:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:16:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:16:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:16:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:16:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:16:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:16:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:16:49,723 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:16:49,723 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:16:49,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:49 BoogieIcfgContainer [2018-12-09 10:16:49,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:16:49,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:16:49,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:16:49,727 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:16:49,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:16:49" (1/3) ... [2018-12-09 10:16:49,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30774a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:49, skipping insertion in model container [2018-12-09 10:16:49,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:49" (2/3) ... [2018-12-09 10:16:49,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30774a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:49, skipping insertion in model container [2018-12-09 10:16:49,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:49" (3/3) ... [2018-12-09 10:16:49,730 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-09 10:16:49,737 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:16:49,742 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:16:49,751 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:16:49,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:16:49,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:16:49,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:16:49,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:16:49,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:16:49,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:16:49,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:16:49,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:16:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-12-09 10:16:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 10:16:49,788 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:49,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:49,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:49,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:49,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1920948465, now seen corresponding path program 1 times [2018-12-09 10:16:49,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:49,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:49,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:49,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:49,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:49,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:49,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:16:49,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:49,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:16:49,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:16:49,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:16:49,951 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-12-09 10:16:49,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:49,975 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-12-09 10:16:49,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:16:49,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 10:16:49,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:49,983 INFO L225 Difference]: With dead ends: 282 [2018-12-09 10:16:49,983 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 10:16:49,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:16:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 10:16:50,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 10:16:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 10:16:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-09 10:16:50,017 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 51 [2018-12-09 10:16:50,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:50,017 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-09 10:16:50,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:16:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-09 10:16:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:16:50,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:50,019 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:50,020 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:50,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash 144578230, now seen corresponding path program 1 times [2018-12-09 10:16:50,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:50,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:50,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:16:50,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:50,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:50,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:50,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:50,073 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-12-09 10:16:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:50,086 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2018-12-09 10:16:50,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:50,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 10:16:50,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:50,088 INFO L225 Difference]: With dead ends: 221 [2018-12-09 10:16:50,088 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 10:16:50,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 10:16:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 10:16:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 10:16:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-12-09 10:16:50,097 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2018-12-09 10:16:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:50,097 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-12-09 10:16:50,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-12-09 10:16:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:16:50,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:50,098 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:50,098 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:50,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:50,099 INFO L82 PathProgramCache]: Analyzing trace with hash -373686663, now seen corresponding path program 1 times [2018-12-09 10:16:50,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:50,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:50,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,100 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:50,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:50,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:16:50,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:50,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:16:50,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:16:50,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:16:50,185 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-12-09 10:16:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:50,468 INFO L93 Difference]: Finished difference Result 397 states and 482 transitions. [2018-12-09 10:16:50,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:16:50,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 10:16:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:50,470 INFO L225 Difference]: With dead ends: 397 [2018-12-09 10:16:50,470 INFO L226 Difference]: Without dead ends: 291 [2018-12-09 10:16:50,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:50,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-12-09 10:16:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-12-09 10:16:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-09 10:16:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions. [2018-12-09 10:16:50,492 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 57 [2018-12-09 10:16:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:50,492 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions. [2018-12-09 10:16:50,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:16:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions. [2018-12-09 10:16:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 10:16:50,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:50,494 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:50,494 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:50,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:50,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1373126477, now seen corresponding path program 1 times [2018-12-09 10:16:50,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:50,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:50,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:50,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:50,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:16:50,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:50,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:16:50,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:16:50,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:16:50,557 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 6 states. [2018-12-09 10:16:50,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:50,676 INFO L93 Difference]: Finished difference Result 763 states and 948 transitions. [2018-12-09 10:16:50,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:16:50,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 10:16:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:50,679 INFO L225 Difference]: With dead ends: 763 [2018-12-09 10:16:50,679 INFO L226 Difference]: Without dead ends: 512 [2018-12-09 10:16:50,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:16:50,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-12-09 10:16:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-12-09 10:16:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-12-09 10:16:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 616 transitions. [2018-12-09 10:16:50,709 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 616 transitions. Word has length 62 [2018-12-09 10:16:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:50,710 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 616 transitions. [2018-12-09 10:16:50,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:16:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 616 transitions. [2018-12-09 10:16:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 10:16:50,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:50,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:50,712 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:50,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:50,712 INFO L82 PathProgramCache]: Analyzing trace with hash 245736361, now seen corresponding path program 1 times [2018-12-09 10:16:50,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:50,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:50,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:50,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:50,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:50,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:16:50,806 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:50,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:16:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:16:50,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:16:50,807 INFO L87 Difference]: Start difference. First operand 506 states and 616 transitions. Second operand 7 states. [2018-12-09 10:16:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:51,165 INFO L93 Difference]: Finished difference Result 1311 states and 1718 transitions. [2018-12-09 10:16:51,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 10:16:51,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 10:16:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:51,169 INFO L225 Difference]: With dead ends: 1311 [2018-12-09 10:16:51,169 INFO L226 Difference]: Without dead ends: 833 [2018-12-09 10:16:51,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:16:51,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-12-09 10:16:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 735. [2018-12-09 10:16:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-12-09 10:16:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-12-09 10:16:51,224 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 66 [2018-12-09 10:16:51,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:51,224 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-12-09 10:16:51,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:16:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-12-09 10:16:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:16:51,227 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:51,227 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:51,227 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:51,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1656133436, now seen corresponding path program 1 times [2018-12-09 10:16:51,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:51,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:51,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:51,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:51,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:16:51,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:51,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:16:51,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:16:51,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:16:51,292 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 6 states. [2018-12-09 10:16:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:51,335 INFO L93 Difference]: Finished difference Result 1462 states and 1804 transitions. [2018-12-09 10:16:51,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:16:51,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 10:16:51,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:51,338 INFO L225 Difference]: With dead ends: 1462 [2018-12-09 10:16:51,338 INFO L226 Difference]: Without dead ends: 755 [2018-12-09 10:16:51,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:16:51,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-12-09 10:16:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-12-09 10:16:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-09 10:16:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-12-09 10:16:51,366 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 89 [2018-12-09 10:16:51,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:51,367 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-12-09 10:16:51,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:16:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-12-09 10:16:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:16:51,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:51,368 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:51,369 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:51,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash -954533562, now seen corresponding path program 1 times [2018-12-09 10:16:51,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:51,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:51,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:51,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:51,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 10:16:51,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:51,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:16:51,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:16:51,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:16:51,443 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 8 states. [2018-12-09 10:16:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:51,476 INFO L93 Difference]: Finished difference Result 1510 states and 1882 transitions. [2018-12-09 10:16:51,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:16:51,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-09 10:16:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:51,478 INFO L225 Difference]: With dead ends: 1510 [2018-12-09 10:16:51,478 INFO L226 Difference]: Without dead ends: 783 [2018-12-09 10:16:51,480 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:16:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-09 10:16:51,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 771. [2018-12-09 10:16:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 10:16:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 927 transitions. [2018-12-09 10:16:51,502 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 927 transitions. Word has length 89 [2018-12-09 10:16:51,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:51,502 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 927 transitions. [2018-12-09 10:16:51,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:16:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 927 transitions. [2018-12-09 10:16:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:16:51,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:51,503 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:51,504 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:51,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:51,504 INFO L82 PathProgramCache]: Analyzing trace with hash 770947335, now seen corresponding path program 1 times [2018-12-09 10:16:51,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:51,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:51,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:51,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:51,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:16:51,555 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:51,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:16:51,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:16:51,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:16:51,556 INFO L87 Difference]: Start difference. First operand 771 states and 927 transitions. Second operand 4 states. [2018-12-09 10:16:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:51,726 INFO L93 Difference]: Finished difference Result 2501 states and 3154 transitions. [2018-12-09 10:16:51,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:16:51,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-09 10:16:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:51,731 INFO L225 Difference]: With dead ends: 2501 [2018-12-09 10:16:51,731 INFO L226 Difference]: Without dead ends: 1758 [2018-12-09 10:16:51,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:16:51,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2018-12-09 10:16:51,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1727. [2018-12-09 10:16:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-12-09 10:16:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2127 transitions. [2018-12-09 10:16:51,790 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2127 transitions. Word has length 89 [2018-12-09 10:16:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:51,791 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2127 transitions. [2018-12-09 10:16:51,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:16:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2127 transitions. [2018-12-09 10:16:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 10:16:51,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:51,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:51,793 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:51,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:51,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2014022541, now seen corresponding path program 1 times [2018-12-09 10:16:51,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:51,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:51,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:51,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:51,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:16:51,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:51,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:51,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:51,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:51,825 INFO L87 Difference]: Start difference. First operand 1727 states and 2127 transitions. Second operand 3 states. [2018-12-09 10:16:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:51,890 INFO L93 Difference]: Finished difference Result 2742 states and 3481 transitions. [2018-12-09 10:16:51,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:51,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-09 10:16:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:51,897 INFO L225 Difference]: With dead ends: 2742 [2018-12-09 10:16:51,897 INFO L226 Difference]: Without dead ends: 2739 [2018-12-09 10:16:51,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:51,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2018-12-09 10:16:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2553. [2018-12-09 10:16:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2018-12-09 10:16:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3253 transitions. [2018-12-09 10:16:51,982 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3253 transitions. Word has length 93 [2018-12-09 10:16:51,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:51,983 INFO L480 AbstractCegarLoop]: Abstraction has 2553 states and 3253 transitions. [2018-12-09 10:16:51,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3253 transitions. [2018-12-09 10:16:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 10:16:51,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:51,988 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 10:16:51,988 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:51,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:51,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1868727233, now seen corresponding path program 1 times [2018-12-09 10:16:51,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:51,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:51,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:51,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 10:16:52,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:52,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:52,038 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 10:16:52,039 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [97], [100], [103], [105], [111], [117], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [224], [226], [227], [231], [234], [236], [239], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [276], [277], [278], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325] [2018-12-09 10:16:52,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:52,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:53,534 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:53,535 INFO L272 AbstractInterpreter]: Visited 104 different actions 612 times. Merged at 18 different actions 61 times. Never widened. Performed 32664 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32664 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 10:16:53,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:53,540 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:53,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:53,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 [2018-12-09 10:16:53,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:53,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:53,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 10:16:53,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 10:16:53,820 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:53,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-09 10:16:53,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:53,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:53,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:53,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:16:53,821 INFO L87 Difference]: Start difference. First operand 2553 states and 3253 transitions. Second operand 3 states. [2018-12-09 10:16:53,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:53,946 INFO L93 Difference]: Finished difference Result 5489 states and 7242 transitions. [2018-12-09 10:16:53,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:53,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-09 10:16:53,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:53,957 INFO L225 Difference]: With dead ends: 5489 [2018-12-09 10:16:53,957 INFO L226 Difference]: Without dead ends: 3288 [2018-12-09 10:16:53,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 314 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:16:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3288 states. [2018-12-09 10:16:54,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3288 to 3261. [2018-12-09 10:16:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3261 states. [2018-12-09 10:16:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4104 transitions. [2018-12-09 10:16:54,103 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4104 transitions. Word has length 160 [2018-12-09 10:16:54,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:54,103 INFO L480 AbstractCegarLoop]: Abstraction has 3261 states and 4104 transitions. [2018-12-09 10:16:54,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:54,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4104 transitions. [2018-12-09 10:16:54,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 10:16:54,109 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:54,109 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 10:16:54,109 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:54,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:54,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1445410561, now seen corresponding path program 1 times [2018-12-09 10:16:54,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:54,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:54,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:54,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:54,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:16:54,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:54,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:54,160 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-09 10:16:54,160 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [209], [213], [219], [227], [231], [234], [236], [239], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [276], [277], [278], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325] [2018-12-09 10:16:54,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:54,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:54,766 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:54,766 INFO L272 AbstractInterpreter]: Visited 100 different actions 397 times. Merged at 14 different actions 38 times. Never widened. Performed 17435 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17435 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 135 variables. [2018-12-09 10:16:54,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:54,768 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:54,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:54,768 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 [2018-12-09 10:16:54,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:54,776 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:54,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:54,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:16:55,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:16:55,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 10:16:55,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:55,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:55,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:55,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:16:55,041 INFO L87 Difference]: Start difference. First operand 3261 states and 4104 transitions. Second operand 3 states. [2018-12-09 10:16:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:55,182 INFO L93 Difference]: Finished difference Result 5947 states and 7573 transitions. [2018-12-09 10:16:55,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:55,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-12-09 10:16:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:55,191 INFO L225 Difference]: With dead ends: 5947 [2018-12-09 10:16:55,191 INFO L226 Difference]: Without dead ends: 3038 [2018-12-09 10:16:55,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:16:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2018-12-09 10:16:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2660. [2018-12-09 10:16:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2660 states. [2018-12-09 10:16:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3138 transitions. [2018-12-09 10:16:55,280 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3138 transitions. Word has length 152 [2018-12-09 10:16:55,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:55,280 INFO L480 AbstractCegarLoop]: Abstraction has 2660 states and 3138 transitions. [2018-12-09 10:16:55,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3138 transitions. [2018-12-09 10:16:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 10:16:55,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:55,284 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:16:55,284 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:55,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:55,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1061919363, now seen corresponding path program 1 times [2018-12-09 10:16:55,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:55,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:55,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:55,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:55,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:16:55,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:55,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:55,340 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-09 10:16:55,340 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [125], [126], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [224], [226], [227], [231], [234], [236], [239], [246], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [274], [275], [276], [277], [278], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325], [328], [329] [2018-12-09 10:16:55,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:55,342 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:55,913 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:55,913 INFO L272 AbstractInterpreter]: Visited 125 different actions 454 times. Merged at 21 different actions 47 times. Never widened. Performed 16830 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16830 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 10:16:55,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:55,915 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:55,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:55,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 [2018-12-09 10:16:55,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:55,920 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:55,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:56,027 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:16:56,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:16:56,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2018-12-09 10:16:56,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:56,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:16:56,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:16:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:56,163 INFO L87 Difference]: Start difference. First operand 2660 states and 3138 transitions. Second operand 5 states. [2018-12-09 10:16:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:56,636 INFO L93 Difference]: Finished difference Result 5635 states and 6962 transitions. [2018-12-09 10:16:56,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:16:56,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-12-09 10:16:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:56,648 INFO L225 Difference]: With dead ends: 5635 [2018-12-09 10:16:56,648 INFO L226 Difference]: Without dead ends: 3327 [2018-12-09 10:16:56,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:16:56,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2018-12-09 10:16:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3063. [2018-12-09 10:16:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3063 states. [2018-12-09 10:16:56,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 3637 transitions. [2018-12-09 10:16:56,761 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 3637 transitions. Word has length 154 [2018-12-09 10:16:56,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:56,762 INFO L480 AbstractCegarLoop]: Abstraction has 3063 states and 3637 transitions. [2018-12-09 10:16:56,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:16:56,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3637 transitions. [2018-12-09 10:16:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 10:16:56,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:56,767 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:16:56,767 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:56,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:56,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1415007745, now seen corresponding path program 1 times [2018-12-09 10:16:56,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:56,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:56,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:56,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:56,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:16:56,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:56,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:56,876 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-09 10:16:56,876 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [125], [126], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [222], [226], [227], [231], [234], [236], [239], [246], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [274], [275], [276], [277], [278], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325], [328], [329] [2018-12-09 10:16:56,878 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:56,879 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:57,635 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:57,635 INFO L272 AbstractInterpreter]: Visited 125 different actions 632 times. Merged at 21 different actions 63 times. Never widened. Performed 21626 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21626 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 10:16:57,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:57,637 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:57,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:57,637 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/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 [2018-12-09 10:16:57,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:57,646 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:57,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:57,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:16:57,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:16:57,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 10:16:57,994 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:57,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:16:57,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:16:57,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 10:16:57,995 INFO L87 Difference]: Start difference. First operand 3063 states and 3637 transitions. Second operand 9 states. [2018-12-09 10:16:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:58,786 INFO L93 Difference]: Finished difference Result 7392 states and 9591 transitions. [2018-12-09 10:16:58,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 10:16:58,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-09 10:16:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:58,806 INFO L225 Difference]: With dead ends: 7392 [2018-12-09 10:16:58,806 INFO L226 Difference]: Without dead ends: 4693 [2018-12-09 10:16:58,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 10:16:58,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2018-12-09 10:16:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 3716. [2018-12-09 10:16:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3716 states. [2018-12-09 10:16:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 4431 transitions. [2018-12-09 10:16:58,950 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 4431 transitions. Word has length 154 [2018-12-09 10:16:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:58,951 INFO L480 AbstractCegarLoop]: Abstraction has 3716 states and 4431 transitions. [2018-12-09 10:16:58,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:16:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4431 transitions. [2018-12-09 10:16:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 10:16:58,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:58,954 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:16:58,954 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:58,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:58,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1342621187, now seen corresponding path program 1 times [2018-12-09 10:16:58,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:58,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:58,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:58,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:58,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 10:16:59,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:59,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 10:16:59,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:59,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:16:59,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:16:59,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:16:59,033 INFO L87 Difference]: Start difference. First operand 3716 states and 4431 transitions. Second operand 9 states. [2018-12-09 10:16:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:59,127 INFO L93 Difference]: Finished difference Result 4902 states and 5834 transitions. [2018-12-09 10:16:59,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 10:16:59,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-09 10:16:59,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:59,131 INFO L225 Difference]: With dead ends: 4902 [2018-12-09 10:16:59,131 INFO L226 Difference]: Without dead ends: 1658 [2018-12-09 10:16:59,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2018-12-09 10:16:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1596. [2018-12-09 10:16:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1596 states. [2018-12-09 10:16:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 1860 transitions. [2018-12-09 10:16:59,186 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 1860 transitions. Word has length 154 [2018-12-09 10:16:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:59,186 INFO L480 AbstractCegarLoop]: Abstraction has 1596 states and 1860 transitions. [2018-12-09 10:16:59,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:16:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1860 transitions. [2018-12-09 10:16:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 10:16:59,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:59,189 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 10:16:59,189 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:59,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1287265758, now seen corresponding path program 1 times [2018-12-09 10:16:59,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:59,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:59,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:59,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:59,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 10:16:59,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:59,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:16:59,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:59,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:59,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:59,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:59,225 INFO L87 Difference]: Start difference. First operand 1596 states and 1860 transitions. Second operand 3 states. [2018-12-09 10:16:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:59,284 INFO L93 Difference]: Finished difference Result 2574 states and 3021 transitions. [2018-12-09 10:16:59,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:59,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-12-09 10:16:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:59,285 INFO L225 Difference]: With dead ends: 2574 [2018-12-09 10:16:59,285 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:16:59,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:59,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:16:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:16:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:16:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:16:59,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-12-09 10:16:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:59,289 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:16:59,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:16:59,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:16:59,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:16:59,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:59,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:17:00,356 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2018-12-09 10:17:00,711 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-12-09 10:17:01,040 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2018-12-09 10:17:01,628 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 39 [2018-12-09 10:17:01,835 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 54 [2018-12-09 10:17:02,593 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-12-09 10:17:02,835 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2018-12-09 10:17:02,835 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2018-12-09 10:17:02,835 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2018-12-09 10:17:02,835 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2018-12-09 10:17:02,835 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2018-12-09 10:17:02,835 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,835 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2018-12-09 10:17:02,835 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~methAndRunningLastTime~0 0))) (or (or (< |old(~pumpRunning~0)| 1) (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 10:17:02,836 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse7 (= |old(~systemActive~0)| 0))) (let ((.cse4 (not .cse7)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse3 (or .cse0 .cse5 .cse2)) (or .cse4 .cse0 .cse6 .cse1 .cse2) (or (or (< |old(~pumpRunning~0)| 1) .cse7 .cse5) (and (not .cse6) .cse3))))) [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2018-12-09 10:17:02,836 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2018-12-09 10:17:02,836 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L451 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2018-12-09 10:17:02,837 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,837 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 (= ~systemActive~0 0) (< ~waterLevel~0 2)) .cse1) (or (or .cse0 (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) .cse1))) [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2018-12-09 10:17:02,837 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2018-12-09 10:17:02,837 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) .cse2))) [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse1) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2))) [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-12-09 10:17:02,838 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse6 .cse5 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2018-12-09 10:17:02,839 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2018-12-09 10:17:02,839 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1)) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 (not (= ~systemActive~0 0)) .cse0) (or .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse4 (< ~pumpRunning~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not (= ~waterLevel~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 (or .cse1 .cse2)) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse4 .cse5 .cse1 .cse6 .cse8) (or .cse9 .cse3 (or .cse0 .cse2)) (or .cse0 .cse9 .cse7 .cse8 .cse6))) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse2 .cse1 .cse4) (or .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4 .cse1))) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse2 .cse1 .cse4) (or .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4 .cse1))) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-12-09 10:17:02,840 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse4 .cse5 .cse0) (or .cse1 (not (= ~systemActive~0 0)) .cse0 (< ~waterLevel~0 1) .cse4 .cse5) (or (or (< ~pumpRunning~0 1) .cse2 .cse3 .cse4 .cse5) .cse0))) [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L451 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2018-12-09 10:17:02,841 INFO L448 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L451 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L451 ceAbstractionStarter]: At program point L356-2(lines 356 370) the Hoare annotation is: true [2018-12-09 10:17:02,842 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (and .cse1 .cse0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse10 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 .cse1) .cse2 (or .cse3 .cse4)) (or .cse3 (and .cse5 .cse1) .cse2 .cse6 .cse7) (or .cse3 .cse2 .cse8 .cse7 .cse9) (or .cse3 .cse9 .cse10 .cse8 .cse7) (or (or (or (< |old(~pumpRunning~0)| 1) .cse10) .cse4) .cse11) (or .cse2 .cse6 (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse11) (or .cse3 .cse6 .cse10 (and .cse5 .cse0 .cse1) .cse7)))) [2018-12-09 10:17:02,842 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or (or (< |old(~pumpRunning~0)| 1) .cse0) .cse1) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)) (or .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse5 (or .cse3 (not (= ~methaneLevelCritical~0 0)))) (or .cse3 (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse6) (or .cse4 (or .cse3 .cse1)) (or .cse3 .cse5 .cse0 (and (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse6))) [2018-12-09 10:17:02,842 INFO L444 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse1 (and .cse4 .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (and (= 1 ~waterLevel~0) .cse8))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse2 .cse4 .cse0 .cse5 .cse6) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (or (or (< |old(~pumpRunning~0)| 1) .cse7) .cse3)) (or .cse2 .cse5 .cse7 .cse6 .cse1 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse8 .cse9)) (or .cse2 .cse10 .cse7 .cse11 .cse6) (or .cse0 .cse5 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1) (or .cse2 .cse0 .cse11 .cse6 .cse10)))) [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 1)) (.cse1 (not (= ~systemActive~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)))) (or (or (or (< |old(~pumpRunning~0)| 1) .cse4) .cse5) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (or .cse0 .cse5)) (or .cse0 .cse5 .cse4 .cse3) (or .cse0 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2018-12-09 10:17:02,842 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 10:17:02,843 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2))) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-12-09 10:17:02,843 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~systemActive~0)| 0)) (< ~waterLevel~0 1) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 10:17:02,843 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-12-09 10:17:02,844 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2018-12-09 10:17:02,844 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2018-12-09 10:17:02,844 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse4 .cse5) .cse2 .cse0 .cse3) (or (< ~pumpRunning~0 1) .cse5 .cse2 .cse0) (or .cse4 .cse6 .cse5 .cse7 .cse3) (or .cse4 .cse1 .cse7 .cse3 .cse6))) [2018-12-09 10:17:02,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2018-12-09 10:17:02,844 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2018-12-09 10:17:02,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-12-09 10:17:02,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2018-12-09 10:17:02,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:17:02 BoogieIcfgContainer [2018-12-09 10:17:02,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:17:02,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:17:02,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:17:02,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:17:02,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:49" (3/4) ... [2018-12-09 10:17:02,856 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 10:17:02,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 10:17:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 10:17:02,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:17:02,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 10:17:02,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:17:02,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 10:17:02,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 10:17:02,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 10:17:02,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 10:17:02,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 10:17:02,866 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:17:02,866 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:17:02,883 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((systemActive == 0 && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:17:02,883 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:17:02,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29a62252-fc7c-44c7-9bff-0d78c1860710/bin-2019/utaipan/witness.graphml [2018-12-09 10:17:02,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:17:02,907 INFO L168 Benchmark]: Toolchain (without parser) took 13875.90 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 995.1 MB). Free memory was 947.0 MB in the beginning and 1.6 GB in the end (delta: -649.6 MB). Peak memory consumption was 345.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,907 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:17:02,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.92 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. [2018-12-09 10:17:02,907 INFO L168 Benchmark]: Boogie Preprocessor took 22.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,907 INFO L168 Benchmark]: RCFGBuilder took 349.70 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,908 INFO L168 Benchmark]: TraceAbstraction took 13127.88 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 885.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -554.6 MB). Peak memory consumption was 921.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,908 INFO L168 Benchmark]: Witness Printer took 53.46 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 65.1 kB). Peak memory consumption was 65.1 kB. Max. memory is 11.5 GB. [2018-12-09 10:17:02,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.92 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 22.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 349.70 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13127.88 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 885.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -554.6 MB). Peak memory consumption was 921.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.46 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 65.1 kB). Peak memory consumption was 65.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((((((systemActive == 0 && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 15 OverallIterations, 2 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2814 SDtfs, 1718 SDslu, 5204 SDs, 0 SdLazy, 2673 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1375 GetRequests, 1269 SyntacticMatches, 10 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3716occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 2053 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 7538 PreInvPairs, 7685 NumberOfFragments, 2448 HoareAnnotationTreeSize, 7538 FomulaSimplifications, 25720 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 19948 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2203 NumberOfCodeBlocks, 2203 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2800 ConstructedInterpolants, 0 QuantifiedInterpolants, 556549 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3636 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 607/649 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...