./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_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_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/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 cfed73d0949579dcb398cd2d92995791596ce6cd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:51:49,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:51:49,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:51:49,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:51:49,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:51:49,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:51:49,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:51:49,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:51:49,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:51:49,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:51:49,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:51:49,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:51:49,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:51:49,364 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:51:49,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:51:49,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:51:49,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:51:49,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:51:49,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:51:49,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:51:49,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:51:49,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:51:49,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:51:49,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:51:49,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:51:49,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:51:49,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:51:49,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:51:49,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:51:49,376 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:51:49,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:51:49,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:51:49,377 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:51:49,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:51:49,378 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:51:49,378 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:51:49,379 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 04:51:49,389 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:51:49,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:51:49,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 04:51:49,390 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 04:51:49,390 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 04:51:49,391 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 04:51:49,391 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 04:51:49,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:51:49,391 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:51:49,391 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:51:49,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:51:49,392 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:51:49,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:51:49,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:51:49,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:51:49,394 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 04:51:49,394 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_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/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 -> cfed73d0949579dcb398cd2d92995791596ce6cd [2018-12-09 04:51:49,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:51:49,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:51:49,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:51:49,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:51:49,425 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:51:49,425 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-09 04:51:49,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/data/30794408e/a9f607513a844187a61672f56b0f4432/FLAG38271c7e0 [2018-12-09 04:51:49,908 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:51:49,908 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-09 04:51:49,914 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/data/30794408e/a9f607513a844187a61672f56b0f4432/FLAG38271c7e0 [2018-12-09 04:51:49,922 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/data/30794408e/a9f607513a844187a61672f56b0f4432 [2018-12-09 04:51:49,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:51:49,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:51:49,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:51:49,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:51:49,927 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:51:49,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:49" (1/1) ... [2018-12-09 04:51:49,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:49, skipping insertion in model container [2018-12-09 04:51:49,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:49" (1/1) ... [2018-12-09 04:51:49,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:51:49,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:51:50,101 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:51:50,150 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:51:50,205 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:51:50,221 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:51:50,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50 WrapperNode [2018-12-09 04:51:50,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:51:50,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:51:50,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:51:50,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:51:50,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:51:50,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:51:50,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:51:50,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:51:50,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... [2018-12-09 04:51:50,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:51:50,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:51:50,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:51:50,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:51:50,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/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 04:51:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 04:51:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 04:51:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 04:51:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 04:51:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 04:51:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 04:51:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 04:51:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 04:51:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 04:51:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 04:51:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 04:51:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 04:51:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 04:51:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 04:51:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 04:51:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 04:51:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 04:51:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 04:51:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 04:51:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 04:51:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 04:51:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 04:51:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 04:51:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 04:51:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 04:51:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 04:51:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:51:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:51:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 04:51:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 04:51:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 04:51:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 04:51:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 04:51:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 04:51:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 04:51:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 04:51:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 04:51:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 04:51:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 04:51:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 04:51:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 04:51:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 04:51:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 04:51:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 04:51:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 04:51:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 04:51:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 04:51:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:51:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:51:50,603 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:51:50,604 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 04:51:50,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:50 BoogieIcfgContainer [2018-12-09 04:51:50,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:51:50,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 04:51:50,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 04:51:50,607 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 04:51:50,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:51:49" (1/3) ... [2018-12-09 04:51:50,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c69bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:50, skipping insertion in model container [2018-12-09 04:51:50,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:50" (2/3) ... [2018-12-09 04:51:50,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c69bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:50, skipping insertion in model container [2018-12-09 04:51:50,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:50" (3/3) ... [2018-12-09 04:51:50,610 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-09 04:51:50,618 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 04:51:50,623 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 04:51:50,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 04:51:50,651 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 04:51:50,651 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 04:51:50,651 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 04:51:50,651 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:51:50,651 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:51:50,651 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 04:51:50,651 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:51:50,652 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 04:51:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-09 04:51:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 04:51:50,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:50,669 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 04:51:50,670 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:50,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:50,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-12-09 04:51:50,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:50,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:50,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:50,815 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 04:51:50,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:50,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 04:51:50,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:50,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 04:51:50,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 04:51:50,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 04:51:50,829 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-09 04:51:50,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:50,852 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-12-09 04:51:50,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 04:51:50,853 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 04:51:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:50,861 INFO L225 Difference]: With dead ends: 280 [2018-12-09 04:51:50,861 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 04:51:50,863 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 04:51:50,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 04:51:50,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 04:51:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 04:51:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-09 04:51:50,894 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-12-09 04:51:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:50,895 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-09 04:51:50,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 04:51:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-09 04:51:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 04:51:50,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:50,897 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] [2018-12-09 04:51:50,897 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:50,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:50,897 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-12-09 04:51:50,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:50,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:50,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,898 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:50,952 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 04:51:50,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:50,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 04:51:50,953 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:50,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 04:51:50,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 04:51:50,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 04:51:50,954 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-12-09 04:51:50,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:50,971 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-12-09 04:51:50,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 04:51:50,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 04:51:50,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:50,972 INFO L225 Difference]: With dead ends: 225 [2018-12-09 04:51:50,972 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 04:51:50,973 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 04:51:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 04:51:50,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 04:51:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 04:51:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-12-09 04:51:50,981 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-12-09 04:51:50,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:50,982 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-12-09 04:51:50,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 04:51:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-12-09 04:51:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 04:51:50,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:50,983 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] [2018-12-09 04:51:50,983 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:50,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:50,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-12-09 04:51:50,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:50,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:50,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:50,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:51,070 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 04:51:51,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:51,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 04:51:51,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:51,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 04:51:51,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 04:51:51,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 04:51:51,072 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-12-09 04:51:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:51,212 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-12-09 04:51:51,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 04:51:51,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 04:51:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:51,213 INFO L225 Difference]: With dead ends: 238 [2018-12-09 04:51:51,213 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 04:51:51,214 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 04:51:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 04:51:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 04:51:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 04:51:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-09 04:51:51,221 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-12-09 04:51:51,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:51,222 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-09 04:51:51,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 04:51:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-09 04:51:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 04:51:51,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:51,223 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] [2018-12-09 04:51:51,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:51,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-12-09 04:51:51,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:51,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:51,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:51,279 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 04:51:51,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:51,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 04:51:51,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:51,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 04:51:51,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 04:51:51,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 04:51:51,280 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-12-09 04:51:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:51,581 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-12-09 04:51:51,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 04:51:51,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-09 04:51:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:51,583 INFO L225 Difference]: With dead ends: 356 [2018-12-09 04:51:51,583 INFO L226 Difference]: Without dead ends: 249 [2018-12-09 04:51:51,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 04:51:51,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-09 04:51:51,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-12-09 04:51:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-12-09 04:51:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-12-09 04:51:51,599 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-12-09 04:51:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:51,599 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-12-09 04:51:51,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 04:51:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-12-09 04:51:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 04:51:51,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:51,601 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] [2018-12-09 04:51:51,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:51,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:51,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-12-09 04:51:51,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:51,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:51,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:51,674 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 04:51:51,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:51,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 04:51:51,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:51,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 04:51:51,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 04:51:51,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 04:51:51,675 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-12-09 04:51:51,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:51,773 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-12-09 04:51:51,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 04:51:51,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-09 04:51:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:51,775 INFO L225 Difference]: With dead ends: 570 [2018-12-09 04:51:51,775 INFO L226 Difference]: Without dead ends: 364 [2018-12-09 04:51:51,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 04:51:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-09 04:51:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-12-09 04:51:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-12-09 04:51:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-12-09 04:51:51,800 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-12-09 04:51:51,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:51,801 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-12-09 04:51:51,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 04:51:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-12-09 04:51:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 04:51:51,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:51,802 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 04:51:51,802 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:51,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:51,803 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-12-09 04:51:51,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:51,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:51,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:51,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:51,878 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 04:51:51,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:51,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 04:51:51,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:51,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 04:51:51,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 04:51:51,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 04:51:51,880 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-12-09 04:51:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:52,008 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-12-09 04:51:52,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 04:51:52,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 04:51:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:52,010 INFO L225 Difference]: With dead ends: 767 [2018-12-09 04:51:52,010 INFO L226 Difference]: Without dead ends: 561 [2018-12-09 04:51:52,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 04:51:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-12-09 04:51:52,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-12-09 04:51:52,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-09 04:51:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-12-09 04:51:52,031 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-12-09 04:51:52,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:52,031 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-12-09 04:51:52,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 04:51:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-12-09 04:51:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 04:51:52,032 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:52,032 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 04:51:52,032 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:52,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:52,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-12-09 04:51:52,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:52,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:52,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:52,067 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 04:51:52,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:52,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 04:51:52,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:52,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 04:51:52,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 04:51:52,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 04:51:52,068 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-12-09 04:51:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:52,097 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-12-09 04:51:52,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 04:51:52,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-09 04:51:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:52,100 INFO L225 Difference]: With dead ends: 942 [2018-12-09 04:51:52,100 INFO L226 Difference]: Without dead ends: 553 [2018-12-09 04:51:52,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 04:51:52,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-09 04:51:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-09 04:51:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-09 04:51:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-12-09 04:51:52,128 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-12-09 04:51:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:52,128 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-12-09 04:51:52,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 04:51:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-12-09 04:51:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 04:51:52,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:52,129 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 04:51:52,130 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:52,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-12-09 04:51:52,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:52,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:52,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:52,189 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 04:51:52,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:52,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 04:51:52,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:52,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 04:51:52,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 04:51:52,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 04:51:52,190 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-12-09 04:51:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:52,240 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-12-09 04:51:52,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 04:51:52,240 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-09 04:51:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:52,243 INFO L225 Difference]: With dead ends: 1087 [2018-12-09 04:51:52,243 INFO L226 Difference]: Without dead ends: 564 [2018-12-09 04:51:52,244 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 04:51:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-09 04:51:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-12-09 04:51:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 04:51:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-12-09 04:51:52,268 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-12-09 04:51:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:52,269 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-12-09 04:51:52,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 04:51:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-12-09 04:51:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 04:51:52,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:52,270 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:52,270 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:52,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:52,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-12-09 04:51:52,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:52,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:52,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:52,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 04:51:52,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:52,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 04:51:52,348 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-12-09 04:51:52,349 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [99], [105], [107], [113], [116], [128], [129], [130], [132], [135], [140], [141], [143], [148], [150], [151], [152], [153], [166], [170], [203], [204], [205], [207], [212], [214], [217], [219], [224], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [282], [283], [284], [285], [290], [294], [295], [298], [299], [302], [303], [304], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-09 04:51:52,377 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 04:51:52,377 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 04:51:52,650 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 04:51:52,651 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 04:51:52,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:52,656 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 04:51:52,880 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.67% of their original sizes. [2018-12-09 04:51:52,881 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 04:51:53,007 INFO L418 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-12-09 04:51:53,007 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 04:51:53,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 04:51:53,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-12-09 04:51:53,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:53,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 04:51:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 04:51:53,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-12-09 04:51:53,009 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 18 states. [2018-12-09 04:51:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:54,892 INFO L93 Difference]: Finished difference Result 1219 states and 1456 transitions. [2018-12-09 04:51:54,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 04:51:54,892 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 101 [2018-12-09 04:51:54,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:54,895 INFO L225 Difference]: With dead ends: 1219 [2018-12-09 04:51:54,895 INFO L226 Difference]: Without dead ends: 689 [2018-12-09 04:51:54,896 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2018-12-09 04:51:54,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-12-09 04:51:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2018-12-09 04:51:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-12-09 04:51:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 804 transitions. [2018-12-09 04:51:54,922 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 804 transitions. Word has length 101 [2018-12-09 04:51:54,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:54,922 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 804 transitions. [2018-12-09 04:51:54,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 04:51:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 804 transitions. [2018-12-09 04:51:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 04:51:54,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:54,924 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:54,924 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:54,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-12-09 04:51:54,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:54,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:54,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:54,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:54,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 04:51:54,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:54,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 04:51:54,980 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:54,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 04:51:54,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 04:51:54,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 04:51:54,981 INFO L87 Difference]: Start difference. First operand 685 states and 804 transitions. Second operand 10 states. [2018-12-09 04:51:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:55,100 INFO L93 Difference]: Finished difference Result 1694 states and 2052 transitions. [2018-12-09 04:51:55,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 04:51:55,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-09 04:51:55,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:55,104 INFO L225 Difference]: With dead ends: 1694 [2018-12-09 04:51:55,104 INFO L226 Difference]: Without dead ends: 1164 [2018-12-09 04:51:55,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 04:51:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-12-09 04:51:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1146. [2018-12-09 04:51:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-12-09 04:51:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1349 transitions. [2018-12-09 04:51:55,133 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1349 transitions. Word has length 105 [2018-12-09 04:51:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:55,134 INFO L480 AbstractCegarLoop]: Abstraction has 1146 states and 1349 transitions. [2018-12-09 04:51:55,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 04:51:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1349 transitions. [2018-12-09 04:51:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 04:51:55,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:55,135 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:55,136 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:55,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:55,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-12-09 04:51:55,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:55,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:55,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:55,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:55,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 04:51:55,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:51:55,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 04:51:55,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:55,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 04:51:55,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 04:51:55,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 04:51:55,207 INFO L87 Difference]: Start difference. First operand 1146 states and 1349 transitions. Second operand 10 states. [2018-12-09 04:51:55,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:55,334 INFO L93 Difference]: Finished difference Result 2143 states and 2528 transitions. [2018-12-09 04:51:55,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 04:51:55,335 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-09 04:51:55,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:55,339 INFO L225 Difference]: With dead ends: 2143 [2018-12-09 04:51:55,339 INFO L226 Difference]: Without dead ends: 1152 [2018-12-09 04:51:55,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 04:51:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2018-12-09 04:51:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1116. [2018-12-09 04:51:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-12-09 04:51:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1279 transitions. [2018-12-09 04:51:55,371 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1279 transitions. Word has length 105 [2018-12-09 04:51:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:55,372 INFO L480 AbstractCegarLoop]: Abstraction has 1116 states and 1279 transitions. [2018-12-09 04:51:55,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 04:51:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1279 transitions. [2018-12-09 04:51:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 04:51:55,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:55,374 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:55,374 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:55,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:55,374 INFO L82 PathProgramCache]: Analyzing trace with hash 599699574, now seen corresponding path program 1 times [2018-12-09 04:51:55,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:55,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:55,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 04:51:55,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:55,414 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 04:51:55,414 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-09 04:51:55,414 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [105], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [146], [150], [151], [152], [153], [163], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [233], [237], [238], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [276], [277], [278], [279], [282], [283], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-09 04:51:55,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 04:51:55,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 04:51:55,511 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 04:51:55,511 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Performed 1955 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 04:51:55,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:55,513 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 04:51:55,619 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 96.44% of their original sizes. [2018-12-09 04:51:55,619 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 04:51:55,684 INFO L418 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-12-09 04:51:55,684 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 04:51:55,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 04:51:55,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-09 04:51:55,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:51:55,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 04:51:55,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 04:51:55,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-09 04:51:55,686 INFO L87 Difference]: Start difference. First operand 1116 states and 1279 transitions. Second operand 13 states. [2018-12-09 04:51:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:56,436 INFO L93 Difference]: Finished difference Result 2191 states and 2518 transitions. [2018-12-09 04:51:56,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 04:51:56,437 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-12-09 04:51:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:56,440 INFO L225 Difference]: With dead ends: 2191 [2018-12-09 04:51:56,440 INFO L226 Difference]: Without dead ends: 1099 [2018-12-09 04:51:56,442 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-12-09 04:51:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2018-12-09 04:51:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2018-12-09 04:51:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-12-09 04:51:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1254 transitions. [2018-12-09 04:51:56,473 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1254 transitions. Word has length 149 [2018-12-09 04:51:56,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:56,473 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1254 transitions. [2018-12-09 04:51:56,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 04:51:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1254 transitions. [2018-12-09 04:51:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 04:51:56,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:56,475 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:51:56,475 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:56,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:56,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1987977279, now seen corresponding path program 1 times [2018-12-09 04:51:56,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:56,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:56,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:56,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:56,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 04:51:56,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:56,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 04:51:56,555 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-09 04:51:56,555 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [97], [99], [105], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [152], [153], [163], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [276], [277], [278], [279], [282], [283], [284], [285], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-09 04:51:56,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 04:51:56,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 04:51:56,812 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 04:51:56,812 INFO L272 AbstractInterpreter]: Visited 107 different actions 130 times. Merged at 6 different actions 6 times. Never widened. Performed 6581 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 04:51:56,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:56,815 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 04:51:56,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:56,815 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/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 04:51:56,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:56,821 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 04:51:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:56,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:51:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 04:51:57,008 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 04:51:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 04:51:57,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 04:51:57,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 04:51:57,281 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 04:51:57,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 04:51:57,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 04:51:57,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 04:51:57,282 INFO L87 Difference]: Start difference. First operand 1099 states and 1254 transitions. Second operand 15 states. [2018-12-09 04:51:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:51:58,774 INFO L93 Difference]: Finished difference Result 2628 states and 3415 transitions. [2018-12-09 04:51:58,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 04:51:58,774 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-12-09 04:51:58,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:51:58,780 INFO L225 Difference]: With dead ends: 2628 [2018-12-09 04:51:58,781 INFO L226 Difference]: Without dead ends: 1553 [2018-12-09 04:51:58,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 04:51:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2018-12-09 04:51:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1097. [2018-12-09 04:51:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2018-12-09 04:51:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1218 transitions. [2018-12-09 04:51:58,843 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1218 transitions. Word has length 153 [2018-12-09 04:51:58,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:51:58,843 INFO L480 AbstractCegarLoop]: Abstraction has 1097 states and 1218 transitions. [2018-12-09 04:51:58,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 04:51:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1218 transitions. [2018-12-09 04:51:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 04:51:58,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:51:58,845 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 04:51:58,845 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:51:58,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:58,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1382237250, now seen corresponding path program 1 times [2018-12-09 04:51:58,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:51:58,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:58,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:58,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:51:58,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:51:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:51:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 04:51:58,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:58,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 04:51:58,916 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 04:51:58,916 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [70], [71], [72], [73], [74], [83], [87], [91], [94], [97], [99], [102], [107], [113], [116], [128], [129], [130], [132], [135], [140], [141], [143], [146], [148], [150], [151], [152], [153], [156], [158], [160], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [269], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [298], [299], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-09 04:51:58,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 04:51:58,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 04:51:59,948 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 04:51:59,948 INFO L272 AbstractInterpreter]: Visited 116 different actions 773 times. Merged at 34 different actions 181 times. Widened at 1 different actions 1 times. Performed 31552 root evaluator evaluations with a maximum evaluation depth of 3. Performed 31552 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 26 fixpoints after 8 different actions. Largest state had 133 variables. [2018-12-09 04:51:59,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:51:59,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 04:51:59,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:51:59,950 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/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 04:51:59,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:51:59,956 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 04:52:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:00,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:52:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 04:52:00,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 04:52:00,332 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 04:52:00,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 04:52:00,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 04:52:00,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 04:52:00,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 04:52:00,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 04:52:00,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 04:52:00,349 INFO L87 Difference]: Start difference. First operand 1097 states and 1218 transitions. Second operand 8 states. [2018-12-09 04:52:00,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:52:00,504 INFO L93 Difference]: Finished difference Result 2018 states and 2259 transitions. [2018-12-09 04:52:00,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 04:52:00,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-09 04:52:00,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:52:00,505 INFO L225 Difference]: With dead ends: 2018 [2018-12-09 04:52:00,505 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 04:52:00,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 04:52:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 04:52:00,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 04:52:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 04:52:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 04:52:00,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-09 04:52:00,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:52:00,508 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:52:00,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 04:52:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 04:52:00,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:52:00,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 04:52:00,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:00,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 04:52:01,064 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2018-12-09 04:52:01,524 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 59 [2018-12-09 04:52:02,041 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2018-12-09 04:52:02,267 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-12-09 04:52:02,405 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-12-09 04:52:02,814 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2018-12-09 04:52:02,936 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2018-12-09 04:52:03,267 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2018-12-09 04:52:04,084 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 04:52:04,084 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 04:52:04,084 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-09 04:52:04,084 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-09 04:52:04,084 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-09 04:52:04,084 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,084 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 04:52:04,084 INFO L444 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 04:52:04,084 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or (= processEnvironment__wrappee__methaneQuery_~tmp~5 0) .cse0 .cse3 (not (= ~waterLevel~0 1)) .cse4))) [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (and .cse9 (<= ~waterLevel~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~5 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or .cse7 .cse8 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse3)))) [2018-12-09 04:52:04,085 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-12-09 04:52:04,085 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (< 2 ~waterLevel~0) .cse3) (or .cse1 (= ~pumpRunning~0 0) .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse5 .cse6 .cse3 .cse4) (or .cse2 (or .cse5 .cse1 .cse3) .cse4) (or .cse0 .cse5 .cse6 .cse3))) [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 (< 2 ~waterLevel~0) .cse4) (or .cse5 (= ~pumpRunning~0 0) .cse4 .cse7 (not (= ~waterLevel~0 2))) (or .cse6 (or .cse1 .cse5 .cse4) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-09 04:52:04,086 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-12-09 04:52:04,086 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (< 2 ~waterLevel~0) .cse3) (or .cse1 (= ~pumpRunning~0 0) .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse5 .cse6 .cse3 .cse4) (or .cse2 (or .cse5 .cse1 .cse3) .cse4) (or .cse0 .cse5 .cse6 .cse3))) [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 (< 2 ~waterLevel~0) .cse4) (or .cse5 (= ~pumpRunning~0 0) .cse4 .cse7 (not (= ~waterLevel~0 2))) (or .cse6 (or .cse1 .cse5 .cse4) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-12-09 04:52:04,087 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-12-09 04:52:04,087 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 (and .cse1 .cse5 .cse3 .cse4)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 (and .cse1 .cse5 .cse3 .cse4)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 (and .cse1 .cse5 .cse3 .cse4)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and (and .cse0 (<= ~waterLevel~0 1) .cse3 .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 04:52:04,088 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4))) [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-12-09 04:52:04,088 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 04:52:04,089 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2)) .cse4) (or (< 1 ~waterLevel~0) .cse0 .cse4 .cse2 .cse3)))) [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-12-09 04:52:04,089 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or (or .cse6 .cse4) .cse3) .cse7) (or (or .cse1 .cse3 .cse4) .cse5 .cse7) (or (or .cse3 (or .cse0 .cse6 .cse4)) .cse2))) [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse7 (and .cse12 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 (or .cse0 .cse6 .cse3)) .cse7) (or .cse0 .cse8 .cse6 .cse3 .cse4) (or .cse0 .cse1 (and .cse9 (<= ~waterLevel~0 2)) .cse5 .cse3) (or .cse8 .cse6 .cse3 .cse4 .cse10) (or .cse1 .cse3 .cse4 .cse10 .cse2) (or (or (or .cse6 .cse3) .cse5) .cse10 .cse7) (or (or .cse0 .cse11 .cse1 .cse3) .cse12) (or .cse1 (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0)) .cse3 .cse10 (not (= |old(~waterLevel~0)| 2))) (or (and .cse12 .cse9) (or .cse11 .cse1 .cse3) .cse10)))) [2018-12-09 04:52:04,090 INFO L444 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1))) (let ((.cse12 (and .cse14 .cse16 .cse7)) (.cse10 (and .cse14 .cse5 .cse16)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse15 (and .cse14 .cse7)) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse5 .cse6) (and .cse6 .cse7) .cse8 .cse3)) (or .cse1 .cse3 .cse4 .cse9 (= ~pumpRunning~0 0)) (or .cse10 (or (or .cse11 .cse3) .cse8) .cse9 .cse12) (or .cse13 .cse11 .cse3 .cse4 .cse9) (or (or .cse8 (or .cse0 .cse11 .cse3)) .cse12 .cse10) (or .cse13 .cse0 .cse11 .cse3 .cse4) (or .cse1 .cse3 .cse4 .cse9 .cse2) (or (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 .cse3) .cse14) (or .cse1 (and .cse14 .cse5) .cse15 .cse8 .cse3 .cse9) (or .cse1 .cse15 .cse3 .cse9 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-09 04:52:04,090 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse8 (or (or .cse0 .cse1) .cse7) .cse3) (or (or .cse7 (or .cse5 .cse0 .cse1)) .cse8) (or .cse5 .cse4 .cse0 .cse1 .cse2) (or .cse6 .cse7 .cse1 .cse3))) [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (< 2 |old(~waterLevel~0)|)) (.cse7 (and .cse11 (= ~pumpRunning~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and .cse5 (<= ~waterLevel~0 2)) .cse6 .cse3) (or .cse7 (or (or .cse8 .cse3) .cse6) .cse9) (or .cse2 .cse8 .cse3 .cse4 .cse9) (or (or .cse6 (or .cse0 .cse8 .cse3)) .cse7) (or .cse1 .cse3 .cse4 .cse9 .cse2) (or .cse0 .cse2 .cse8 .cse3 .cse4) (or (or .cse0 .cse10 .cse1 .cse3) .cse11) (or .cse1 (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0)) .cse3 .cse9 (not (= |old(~waterLevel~0)| 2))) (or (and .cse11 .cse5) (or .cse10 .cse1 .cse3) .cse9)))) [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-12-09 04:52:04,090 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse6 .cse3 .cse5) (or .cse2 .cse6 .cse3 .cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse6 .cse3))) [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-09 04:52:04,091 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-09 04:52:04,091 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= 1 ~waterLevel~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or (or .cse1 .cse5 .cse2 .cse3) .cse0) (or .cse5 .cse6 .cse3 .cse1 .cse7) (or .cse3 .cse1 .cse7 .cse4 .cse6))) [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 04:52:04,092 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 (or .cse1 .cse2 .cse3)) .cse4) (or .cse4 (or (or .cse2 .cse3) .cse0) .cse5) (or .cse1 .cse6 .cse4 .cse0 .cse3) (or .cse4 (or (< 1 ~waterLevel~0) .cse6 .cse3) .cse5) (or .cse6 .cse4 .cse3 .cse5 (not (= ~waterLevel~0 2))))) [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-09 04:52:04,092 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-09 04:52:04,093 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 (<= ~waterLevel~0 2) .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse5 .cse2 .cse3) (or .cse6 .cse7 .cse0 .cse5 .cse3) (or .cse7 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4 (= 1 ~waterLevel~0)) (or .cse0 (or .cse1 .cse7 .cse3) .cse4))) [2018-12-09 04:52:04,093 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-12-09 04:52:04,093 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-12-09 04:52:04,093 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-12-09 04:52:04,093 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-09 04:52:04,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:52:04 BoogieIcfgContainer [2018-12-09 04:52:04,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 04:52:04,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:52:04,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:52:04,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:52:04,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:50" (3/4) ... [2018-12-09 04:52:04,106 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:52:04,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 04:52:04,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 04:52:04,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 04:52:04,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 04:52:04,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 04:52:04,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 04:52:04,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 04:52:04,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 04:52:04,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 04:52:04,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 04:52:04,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:52:04,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:52:04,136 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 04:52:04,136 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 04:52:04,165 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a2cf162-f55e-46dd-a42e-5cafc7cd3dfe/bin-2019/utaipan/witness.graphml [2018-12-09 04:52:04,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:52:04,166 INFO L168 Benchmark]: Toolchain (without parser) took 14242.31 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 676.3 MB). Free memory was 953.5 MB in the beginning and 954.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 675.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,166 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:52:04,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,167 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:52:04,167 INFO L168 Benchmark]: RCFGBuilder took 336.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,167 INFO L168 Benchmark]: TraceAbstraction took 13497.80 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 532.7 MB). Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 105.7 MB). Peak memory consumption was 823.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,167 INFO L168 Benchmark]: Witness Printer took 62.98 ms. Allocated memory is still 1.7 GB. Free memory was 971.5 MB in the beginning and 954.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:52:04,168 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 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13497.80 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 532.7 MB). Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 105.7 MB). Peak memory consumption was 823.0 MB. Max. memory is 11.5 GB. * Witness Printer took 62.98 ms. Allocated memory is still 1.7 GB. Free memory was 971.5 MB in the beginning and 954.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 13.4s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2585 SDtfs, 2056 SDslu, 9658 SDs, 0 SdLazy, 4602 SolverSat, 1048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1052 GetRequests, 861 SyntacticMatches, 19 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1146occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9974889049512451 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 63.483870967741936 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 571 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3267 PreInvPairs, 3381 NumberOfFragments, 3374 HoareAnnotationTreeSize, 3267 FomulaSimplifications, 6779 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 18586 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1967 ConstructedInterpolants, 0 QuantifiedInterpolants, 395496 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1773 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 327/351 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...