./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/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 4366671714130af280ec4232c34176d9c997fd05 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:49:30,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:49:30,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:49:30,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:49:30,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:49:30,477 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:49:30,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:49:30,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:49:30,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:49:30,480 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:49:30,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:49:30,481 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:49:30,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:49:30,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:49:30,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:49:30,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:49:30,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:49:30,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:49:30,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:49:30,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:49:30,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:49:30,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:49:30,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:49:30,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:49:30,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:49:30,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:49:30,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:49:30,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:49:30,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:49:30,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:49:30,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:49:30,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:49:30,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:49:30,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:49:30,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:49:30,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:49:30,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:49:30,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:49:30,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:49:30,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:49:30,504 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:49:30,504 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:49:30,504 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:49:30,505 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:49:30,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:49:30,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:49:30,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:49:30,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:49:30,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:49:30,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:49:30,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:49:30,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:49:30,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:49:30,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:49:30,509 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:49:30,509 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_cb264b7c-5629-448c-a5c7-344c7ece1f90/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-12-09 09:49:30,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:49:30,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:49:30,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:49:30,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:49:30,539 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:49:30,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:30,578 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/data/76959a654/5ffd7d4ceb614b7c960db94d873964c5/FLAGe52f9d3f9 [2018-12-09 09:49:31,023 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:49:31,023 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:31,029 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/data/76959a654/5ffd7d4ceb614b7c960db94d873964c5/FLAGe52f9d3f9 [2018-12-09 09:49:31,037 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/data/76959a654/5ffd7d4ceb614b7c960db94d873964c5 [2018-12-09 09:49:31,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:49:31,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:49:31,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:49:31,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:49:31,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:49:31,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31, skipping insertion in model container [2018-12-09 09:49:31,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:49:31,068 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:49:31,212 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:49:31,220 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:49:31,297 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:49:31,314 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:49:31,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31 WrapperNode [2018-12-09 09:49:31,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:49:31,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:49:31,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:49:31,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:49:31,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:49:31,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:49:31,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:49:31,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:49:31,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... [2018-12-09 09:49:31,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:49:31,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:49:31,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:49:31,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:49:31,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/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 09:49:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:49:31,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:49:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:49:31,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:49:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:49:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:49:31,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:49:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:49:31,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:49:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:49:31,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:49:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:49:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:49:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:49:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:49:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:49:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:49:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:49:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:49:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:49:31,698 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:49:31,698 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:49:31,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:31 BoogieIcfgContainer [2018-12-09 09:49:31,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:49:31,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:49:31,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:49:31,702 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:49:31,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:49:31" (1/3) ... [2018-12-09 09:49:31,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c03a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:49:31, skipping insertion in model container [2018-12-09 09:49:31,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:49:31" (2/3) ... [2018-12-09 09:49:31,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c03a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:49:31, skipping insertion in model container [2018-12-09 09:49:31,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:31" (3/3) ... [2018-12-09 09:49:31,705 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 09:49:31,713 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:49:31,719 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:49:31,730 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:49:31,748 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:49:31,748 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:49:31,748 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:49:31,748 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:49:31,749 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:49:31,749 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:49:31,749 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:49:31,749 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:49:31,760 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-12-09 09:49:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:49:31,765 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:31,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:31,767 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:31,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:31,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-12-09 09:49:31,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:31,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:31,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:31,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:31,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:31,931 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 09:49:31,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:31,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:49:31,933 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:31,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:49:31,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:49:31,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:49:31,946 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-12-09 09:49:31,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:31,970 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-12-09 09:49:31,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:49:31,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 09:49:31,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:31,978 INFO L225 Difference]: With dead ends: 274 [2018-12-09 09:49:31,978 INFO L226 Difference]: Without dead ends: 139 [2018-12-09 09:49:31,980 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 09:49:31,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-09 09:49:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-09 09:49:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-09 09:49:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-09 09:49:32,011 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-12-09 09:49:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:32,011 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-09 09:49:32,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:49:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-09 09:49:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:49:32,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:32,013 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 09:49:32,014 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:32,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:32,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-12-09 09:49:32,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:32,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:32,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:32,069 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 09:49:32,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:32,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:49:32,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:32,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:49:32,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:49:32,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:49:32,070 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-12-09 09:49:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:32,083 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-09 09:49:32,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:49:32,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 09:49:32,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:32,085 INFO L225 Difference]: With dead ends: 219 [2018-12-09 09:49:32,085 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 09:49:32,086 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 09:49:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 09:49:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 09:49:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 09:49:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-12-09 09:49:32,094 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-12-09 09:49:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:32,094 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-12-09 09:49:32,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:49:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-12-09 09:49:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:49:32,095 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:32,095 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:32,095 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:32,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:32,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-12-09 09:49:32,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:32,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:32,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:32,169 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 09:49:32,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:32,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:49:32,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:32,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:49:32,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:49:32,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:32,171 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-12-09 09:49:32,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:32,307 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-12-09 09:49:32,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:49:32,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 09:49:32,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:32,309 INFO L225 Difference]: With dead ends: 232 [2018-12-09 09:49:32,309 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 09:49:32,310 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 09:49:32,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 09:49:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 09:49:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 09:49:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-09 09:49:32,323 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-12-09 09:49:32,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:32,323 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-09 09:49:32,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:49:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-09 09:49:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:49:32,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:32,325 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] [2018-12-09 09:49:32,326 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:32,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:32,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-12-09 09:49:32,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:32,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:32,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:32,394 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 09:49:32,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:32,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:49:32,395 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:32,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:49:32,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:49:32,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:49:32,396 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-12-09 09:49:32,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:32,692 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-12-09 09:49:32,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:49:32,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 09:49:32,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:32,694 INFO L225 Difference]: With dead ends: 340 [2018-12-09 09:49:32,694 INFO L226 Difference]: Without dead ends: 238 [2018-12-09 09:49:32,694 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 09:49:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-12-09 09:49:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-12-09 09:49:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-12-09 09:49:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-12-09 09:49:32,716 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-12-09 09:49:32,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:32,716 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-12-09 09:49:32,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:49:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-12-09 09:49:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 09:49:32,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:32,718 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] [2018-12-09 09:49:32,718 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:32,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:32,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-12-09 09:49:32,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:32,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:32,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:32,798 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 09:49:32,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:32,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:49:32,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:32,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:49:32,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:49:32,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:49:32,799 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-12-09 09:49:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:32,830 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-12-09 09:49:32,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:32,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-09 09:49:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:32,832 INFO L225 Difference]: With dead ends: 417 [2018-12-09 09:49:32,832 INFO L226 Difference]: Without dead ends: 226 [2018-12-09 09:49:32,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:49:32,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-09 09:49:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-12-09 09:49:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-09 09:49:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-12-09 09:49:32,845 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-12-09 09:49:32,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:32,845 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-12-09 09:49:32,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:49:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-12-09 09:49:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 09:49:32,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:32,847 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] [2018-12-09 09:49:32,847 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:32,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:32,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-12-09 09:49:32,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:32,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:32,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:32,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:32,900 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 09:49:32,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:32,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:49:32,901 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:32,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:49:32,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:49:32,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:49:32,901 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-12-09 09:49:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:33,028 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-12-09 09:49:33,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:33,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 09:49:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:33,031 INFO L225 Difference]: With dead ends: 595 [2018-12-09 09:49:33,031 INFO L226 Difference]: Without dead ends: 400 [2018-12-09 09:49:33,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:49:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-12-09 09:49:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-12-09 09:49:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-12-09 09:49:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-12-09 09:49:33,056 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-12-09 09:49:33,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:33,057 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-12-09 09:49:33,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:49:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-12-09 09:49:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:49:33,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:33,058 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] [2018-12-09 09:49:33,058 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:33,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:33,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-12-09 09:49:33,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:33,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:33,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:33,131 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 09:49:33,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:33,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:49:33,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:33,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:49:33,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:49:33,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:33,133 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-12-09 09:49:33,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:33,432 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-12-09 09:49:33,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:49:33,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-09 09:49:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:33,434 INFO L225 Difference]: With dead ends: 791 [2018-12-09 09:49:33,434 INFO L226 Difference]: Without dead ends: 425 [2018-12-09 09:49:33,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:49:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-09 09:49:33,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-12-09 09:49:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-12-09 09:49:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-12-09 09:49:33,449 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-12-09 09:49:33,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:33,449 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-12-09 09:49:33,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:49:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-12-09 09:49:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 09:49:33,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:33,450 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] [2018-12-09 09:49:33,451 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:33,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-12-09 09:49:33,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:33,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:33,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:33,493 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 09:49:33,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:33,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:49:33,494 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:33,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:49:33,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:49:33,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:49:33,495 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-12-09 09:49:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:33,517 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-12-09 09:49:33,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:49:33,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 09:49:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:33,520 INFO L225 Difference]: With dead ends: 772 [2018-12-09 09:49:33,520 INFO L226 Difference]: Without dead ends: 407 [2018-12-09 09:49:33,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-09 09:49:33,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-12-09 09:49:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-12-09 09:49:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-12-09 09:49:33,540 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-12-09 09:49:33,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:33,541 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-12-09 09:49:33,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:49:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-12-09 09:49:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 09:49:33,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:33,542 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] [2018-12-09 09:49:33,543 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:33,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:33,543 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-12-09 09:49:33,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:33,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:33,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,544 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:33,598 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 09:49:33,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:33,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:49:33,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:33,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:49:33,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:49:33,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:49:33,599 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-12-09 09:49:33,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:33,719 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-12-09 09:49:33,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:49:33,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-09 09:49:33,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:33,723 INFO L225 Difference]: With dead ends: 1188 [2018-12-09 09:49:33,723 INFO L226 Difference]: Without dead ends: 813 [2018-12-09 09:49:33,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:49:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-09 09:49:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-12-09 09:49:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-12-09 09:49:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-12-09 09:49:33,756 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-12-09 09:49:33,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:33,756 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-12-09 09:49:33,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:49:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-12-09 09:49:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 09:49:33,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:33,758 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:33,758 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:33,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:33,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-12-09 09:49:33,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:33,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:33,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:33,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:33,839 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 09:49:33,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:33,840 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:33,840 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 09:49:33,841 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [192], [196], [229], [230], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [273], [274], [276], [277], [284], [285], [286], [287], [288], [289], [292], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [310], [311], [312], [318], [319], [320] [2018-12-09 09:49:33,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:33,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:49:34,160 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:49:34,161 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-09 09:49:34,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:34,165 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:49:34,328 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.68% of their original sizes. [2018-12-09 09:49:34,328 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:49:34,442 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 09:49:34,442 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:49:34,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:49:34,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-12-09 09:49:34,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:34,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 09:49:34,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 09:49:34,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:49:34,444 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-12-09 09:49:37,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:37,444 INFO L93 Difference]: Finished difference Result 2019 states and 2386 transitions. [2018-12-09 09:49:37,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 09:49:37,445 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-09 09:49:37,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:37,448 INFO L225 Difference]: With dead ends: 2019 [2018-12-09 09:49:37,448 INFO L226 Difference]: Without dead ends: 1249 [2018-12-09 09:49:37,449 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-12-09 09:49:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-12-09 09:49:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1243. [2018-12-09 09:49:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-12-09 09:49:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1430 transitions. [2018-12-09 09:49:37,486 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1430 transitions. Word has length 108 [2018-12-09 09:49:37,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:37,487 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1430 transitions. [2018-12-09 09:49:37,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 09:49:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1430 transitions. [2018-12-09 09:49:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 09:49:37,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:37,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:37,490 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:37,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:37,490 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-12-09 09:49:37,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:37,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:37,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:37,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:37,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 09:49:37,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:37,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:37,594 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 09:49:37,595 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-12-09 09:49:37,597 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:37,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:49:38,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:49:38,936 INFO L272 AbstractInterpreter]: Visited 127 different actions 1025 times. Merged at 21 different actions 90 times. Never widened. Performed 38835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 38835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 09:49:38,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:38,939 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:49:39,158 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 97.83% of their original sizes. [2018-12-09 09:49:39,159 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:49:39,271 INFO L418 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-12-09 09:49:39,271 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:49:39,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:49:39,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-09 09:49:39,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:39,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 09:49:39,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 09:49:39,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-12-09 09:49:39,273 INFO L87 Difference]: Start difference. First operand 1243 states and 1430 transitions. Second operand 22 states. [2018-12-09 09:49:45,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:45,961 INFO L93 Difference]: Finished difference Result 3760 states and 4592 transitions. [2018-12-09 09:49:45,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-09 09:49:45,961 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 160 [2018-12-09 09:49:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:45,967 INFO L225 Difference]: With dead ends: 3760 [2018-12-09 09:49:45,967 INFO L226 Difference]: Without dead ends: 2824 [2018-12-09 09:49:45,969 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2018-12-09 09:49:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2018-12-09 09:49:46,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2247. [2018-12-09 09:49:46,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2247 states. [2018-12-09 09:49:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 2614 transitions. [2018-12-09 09:49:46,054 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 2614 transitions. Word has length 160 [2018-12-09 09:49:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:46,054 INFO L480 AbstractCegarLoop]: Abstraction has 2247 states and 2614 transitions. [2018-12-09 09:49:46,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 09:49:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2614 transitions. [2018-12-09 09:49:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 09:49:46,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:46,058 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:49:46,058 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:46,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:46,058 INFO L82 PathProgramCache]: Analyzing trace with hash 2122972069, now seen corresponding path program 1 times [2018-12-09 09:49:46,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:46,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:46,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:46,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 09:49:46,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:46,126 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:46,126 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 09:49:46,126 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [145], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-12-09 09:49:46,129 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:49:46,129 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:49:47,592 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:49:47,592 INFO L272 AbstractInterpreter]: Visited 130 different actions 1358 times. Merged at 22 different actions 141 times. Never widened. Performed 45085 root evaluator evaluations with a maximum evaluation depth of 3. Performed 45085 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 34 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-09 09:49:47,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:47,594 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:49:47,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:47,595 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/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 09:49:47,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:47,601 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:49:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:47,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:49:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 09:49:47,738 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:49:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 09:49:47,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:49:47,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 09:49:47,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:47,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:49:47,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:49:47,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:49:47,966 INFO L87 Difference]: Start difference. First operand 2247 states and 2614 transitions. Second operand 5 states. [2018-12-09 09:49:48,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:48,288 INFO L93 Difference]: Finished difference Result 3854 states and 4642 transitions. [2018-12-09 09:49:48,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:49:48,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2018-12-09 09:49:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:48,294 INFO L225 Difference]: With dead ends: 3854 [2018-12-09 09:49:48,294 INFO L226 Difference]: Without dead ends: 2120 [2018-12-09 09:49:48,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:49:48,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2018-12-09 09:49:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1978. [2018-12-09 09:49:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2018-12-09 09:49:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2299 transitions. [2018-12-09 09:49:48,373 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2299 transitions. Word has length 223 [2018-12-09 09:49:48,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:48,374 INFO L480 AbstractCegarLoop]: Abstraction has 1978 states and 2299 transitions. [2018-12-09 09:49:48,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:49:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2299 transitions. [2018-12-09 09:49:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 09:49:48,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:48,378 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:49:48,378 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:48,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:48,378 INFO L82 PathProgramCache]: Analyzing trace with hash -251874773, now seen corresponding path program 2 times [2018-12-09 09:49:48,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:49:48,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:48,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:48,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:49:48,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:49:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 09:49:48,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:48,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:49:48,489 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 09:49:48,489 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 09:49:48,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:49:48,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/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 09:49:48,497 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 09:49:48,497 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 09:49:48,568 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 09:49:48,569 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 09:49:48,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:49:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 09:49:48,687 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:49:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 09:49:48,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:49:48,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 09:49:48,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:49:48,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:49:48,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:49:48,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:49:48,982 INFO L87 Difference]: Start difference. First operand 1978 states and 2299 transitions. Second operand 8 states. [2018-12-09 09:49:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:49,161 INFO L93 Difference]: Finished difference Result 2959 states and 3461 transitions. [2018-12-09 09:49:49,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:49:49,161 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2018-12-09 09:49:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:49,162 INFO L225 Difference]: With dead ends: 2959 [2018-12-09 09:49:49,162 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:49:49,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 423 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:49:49,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:49:49,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:49:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:49:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:49:49,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-12-09 09:49:49,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:49,168 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:49:49,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:49:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:49:49,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:49:49,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:49:49,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:49,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:49:50,238 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-12-09 09:49:50,492 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 25 [2018-12-09 09:49:50,624 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 41 [2018-12-09 09:49:51,349 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2018-12-09 09:49:51,483 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-09 09:49:51,889 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2018-12-09 09:49:52,048 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2018-12-09 09:49:52,464 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2018-12-09 09:49:53,783 WARN L180 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 65 [2018-12-09 09:49:54,100 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-12-09 09:49:54,102 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,102 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,102 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-12-09 09:49:54,102 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,102 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse1 .cse3))) [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not .cse0) .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse0) .cse2) (or .cse1 .cse3 .cse4 .cse2))) [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 09:49:54,103 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) .cse2) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1))) [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse5 .cse3 .cse4))) [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 09:49:54,104 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse3 .cse5) (or .cse4 .cse3 .cse0 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 09:49:54,105 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse5) .cse6) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse6) .cse4 .cse1 .cse5)))) [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse5) .cse6) (or .cse4 .cse6 .cse1 .cse5)))) [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-12-09 09:49:54,105 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,105 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-12-09 09:49:54,105 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (not .cse6)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse3) (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0) .cse5)))) [2018-12-09 09:49:54,105 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (not .cse6)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse3) (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0) .cse5)))) [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and (and .cse1 (not .cse4) .cse2) (<= 2 ~waterLevel~0) .cse3))) [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and (and .cse1 (not .cse4) .cse2) (<= 2 ~waterLevel~0) .cse3))) [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 (not .cse2)) (<= 2 ~waterLevel~0) .cse3) (and .cse4 (= 0 ~methaneLevelCritical~0) .cse1 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse3 .cse0 .cse2 .cse1) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3)))) [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-12-09 09:49:54,106 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse1 .cse2 .cse0) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (and (or .cse4 .cse5 .cse9) (or (= ~waterLevel~0 0) .cse4 .cse5))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse1 .cse2 .cse7 .cse8) (or .cse6 .cse1 .cse7 (not (= ~waterLevel~0 1)) .cse8)))) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (and (or .cse4 .cse5 .cse9) (or (= ~waterLevel~0 0) .cse4 .cse5))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse1 .cse2 .cse7 .cse8) (or .cse6 .cse1 .cse7 (not (= ~waterLevel~0 1)) .cse8)))) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3)))) [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-12-09 09:49:54,107 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3)))) [2018-12-09 09:49:54,108 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3)))) [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0))) (let ((.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not .cse5)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= 0 ~methaneLevelCritical~0) (or .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (or .cse2 .cse3 .cse4 (or .cse0 .cse5)) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse2 .cse7 .cse0 .cse3 .cse1) (or .cse8 .cse4 (or .cse6 .cse0 .cse1))))) [2018-12-09 09:49:54,108 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-12-09 09:49:54,108 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse17 (= 0 |old(~pumpRunning~0)|))) (let ((.cse18 (or .cse5 .cse6 .cse17)) (.cse10 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse10)) (.cse3 (and .cse18 (or (= |old(~waterLevel~0)| 0) .cse5 .cse6))) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse13 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= ~waterLevel~0 1))) (.cse16 (< |old(~waterLevel~0)| 2)) (.cse15 (< ~methaneLevelCritical~0 1)) (.cse1 (not .cse17)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse6) (and .cse7 .cse8)) (or .cse1 (and .cse7 .cse2 .cse8) .cse3 .cse4 .cse9) (or .cse10 .cse1 .cse5 .cse6 .cse9 (and .cse7 .cse11 .cse12 .cse8)) (or .cse13 (or .cse1 .cse3 .cse9 .cse14)) (or (or .cse0 .cse1 .cse3 .cse14) .cse13) (or .cse0 .cse10 .cse1 .cse5 .cse6 .cse11) (or .cse15 .cse16 .cse8 (or .cse5 .cse17)) (or .cse15 .cse18 .cse16 .cse7) (or .cse15 .cse1 .cse5 (and .cse7 .cse12 .cse8) .cse6) (or .cse8 (or .cse5 .cse9 .cse17)))))) [2018-12-09 09:49:54,108 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse22 (= ~systemActive~0 1))) (let ((.cse20 (= |old(~waterLevel~0)| 1)) (.cse7 (not .cse22)) (.cse18 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 |old(~pumpRunning~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (<= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 1)) (.cse17 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse12 (= ~waterLevel~0 2)) (.cse10 (and .cse14 (= 0 ~methaneLevelCritical~0) .cse15 .cse16 .cse22 .cse17)) (.cse19 (and .cse14 .cse17 .cse6)) (.cse13 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse21 (not (= ~waterLevel~0 1))) (.cse2 (not .cse9)) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (and (or .cse7 .cse18 .cse9) (or (= |old(~waterLevel~0)| 0) .cse7 .cse18))) (.cse4 (not .cse20)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse8 .cse9)) (or .cse10 (or .cse2 .cse3 .cse8 .cse11) .cse12) (or (or .cse0 .cse2 .cse3 .cse11) .cse12) (or .cse13 (and .cse14 .cse15 .cse16 .cse17) .cse2 .cse7 .cse18 .cse19) (or .cse10 .cse2 .cse7 .cse18 .cse8 .cse19) (or .cse20 .cse2 .cse7 .cse18 .cse8 .cse21) (or (and .cse14 .cse5) (or .cse0 .cse7 .cse18)) (or .cse13 (< |old(~waterLevel~0)| 2) (or .cse7 .cse9) .cse5) (or .cse0 .cse20 .cse2 .cse7 .cse21 .cse18) (or .cse2 .cse1 .cse3 .cse4 .cse8))))) [2018-12-09 09:49:54,109 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse10)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse9 (and .cse5 .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (and .cse4 .cse5 .cse6)) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 (or .cse1 .cse2) .cse8) (or .cse7 .cse9 .cse8 (or .cse1 .cse10)) (or .cse9 (or .cse1 .cse3 .cse10))))) [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse9 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (= 0 |old(~pumpRunning~0)|))) (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (or .cse9 .cse10 .cse19)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse8)) (.cse3 (and .cse14 (or (= |old(~waterLevel~0)| 0) .cse9 .cse10))) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse16 (= ~waterLevel~0 2)) (.cse11 (not (= ~waterLevel~0 1))) (.cse15 (< |old(~waterLevel~0)| 2)) (.cse18 (and .cse6 .cse12)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse13 (< ~methaneLevelCritical~0 1)) (.cse1 (not .cse19)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and .cse5 .cse2 .cse6) .cse3 .cse4 .cse7) (or .cse8 .cse1 .cse9 .cse10 .cse7 (and .cse5 .cse11 .cse12 .cse6)) (or .cse13 .cse14 .cse5 .cse15) (or .cse16 (or .cse1 .cse3 .cse7 .cse17)) (or (or .cse0 .cse1 .cse3 .cse17) .cse16) (or .cse0 .cse8 .cse1 .cse9 .cse10 .cse11) (or .cse13 .cse18 .cse15 (or .cse9 .cse19)) (or .cse18 (or .cse9 .cse7 .cse19)) (or .cse13 .cse1 .cse9 (and .cse5 .cse12 .cse6) .cse10) (or (and .cse5 .cse6 .cse12) (or .cse0 .cse9 .cse10)))))) [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-12-09 09:49:54,109 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (let ((.cse1 (or .cse2 .cse3)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) .cse0)))) [2018-12-09 09:49:54,109 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 09:49:54,110 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)) (or .cse3 (or .cse0 .cse2 .cse4)) (or .cse5 (not .cse4) .cse0 .cse3 .cse1) (or .cse5 .cse3 (< ~waterLevel~0 2) (or .cse0 .cse4)))) [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse10 (not (= ~systemActive~0 1))) (.cse11 (not (= ~methAndRunningLastTime~0 0))) (.cse12 (= 0 ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse12)) (.cse3 (and (or .cse10 .cse11 .cse12) (or (= |old(~waterLevel~0)| 0) .cse10 .cse11))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 2)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 .cse5) .cse3 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse8 .cse9 (or .cse1 .cse10 .cse11)) (or (or (or .cse10 .cse5) .cse11) .cse9) (or .cse0 .cse1 .cse3 .cse7 .cse6) (or .cse8 (or .cse10 .cse12) (< |old(~waterLevel~0)| 2) .cse9)))) [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-12-09 09:49:54,110 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-12-09 09:49:54,110 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-09 09:49:54,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:49:54 BoogieIcfgContainer [2018-12-09 09:49:54,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:49:54,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:49:54,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:49:54,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:49:54,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:49:31" (3/4) ... [2018-12-09 09:49:54,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:49:54,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:49:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:49:54,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 09:49:54,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 09:49:54,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:49:54,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:49:54,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:49:54,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:49:54,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical) [2018-12-09 09:49:54,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:49:54,173 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb264b7c-5629-448c-a5c7-344c7ece1f90/bin-2019/utaipan/witness.graphml [2018-12-09 09:49:54,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:49:54,173 INFO L168 Benchmark]: Toolchain (without parser) took 23134.26 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 948.1 MB in the beginning and 1.5 GB in the end (delta: -509.4 MB). Peak memory consumption was 795.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:49:54,173 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:49:54,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:49:54,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.03 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 09:49:54,174 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:49:54,174 INFO L168 Benchmark]: RCFGBuilder took 341.56 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:49:54,174 INFO L168 Benchmark]: TraceAbstraction took 22418.73 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -377.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 09:49:54,174 INFO L168 Benchmark]: Witness Printer took 54.28 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 127.4 kB). Peak memory consumption was 127.4 kB. Max. memory is 11.5 GB. [2018-12-09 09:49:54,175 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 341.56 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22418.73 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -377.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 54.28 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 127.4 kB). Peak memory consumption was 127.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 22.3s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2811 SDtfs, 3151 SDslu, 8581 SDs, 0 SdLazy, 4286 SolverSat, 1925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1311 GetRequests, 1143 SyntacticMatches, 8 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2247occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964493262239209 AbsIntWeakeningRatio, 0.9135338345864662 AbsIntAvgWeakeningVarsNumRemoved, 95.54511278195488 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 804 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3376 PreInvPairs, 3582 NumberOfFragments, 3964 HoareAnnotationTreeSize, 3376 FomulaSimplifications, 26896 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 64 FomulaSimplificationsInter, 36271 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1846 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2271 ConstructedInterpolants, 0 QuantifiedInterpolants, 554285 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1914 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 988/1030 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...