./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_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_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:49:37,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:49:37,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:49:37,425 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:49:37,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:49:37,426 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:49:37,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:49:37,428 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:49:37,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:49:37,430 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:49:37,431 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:49:37,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:49:37,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:49:37,432 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:49:37,433 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:49:37,434 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:49:37,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:49:37,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:49:37,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:49:37,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:49:37,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:49:37,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:49:37,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:49:37,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:49:37,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:49:37,442 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:49:37,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:49:37,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:49:37,444 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:49:37,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:49:37,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:49:37,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:49:37,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:49:37,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:49:37,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:49:37,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:49:37,447 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:49:37,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:49:37,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:49:37,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:49:37,458 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:49:37,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:49:37,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:49:37,458 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:49:37,458 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:49:37,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:49:37,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:49:37,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:49:37,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:49:37,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:49:37,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:49:37,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:49:37,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:49:37,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:49:37,462 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_31d06204-852b-4d78-96c1-04581ef07343/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-12-09 10:49:37,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:49:37,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:49:37,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:49:37,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:49:37,498 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:49:37,498 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 10:49:37,542 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/data/289525120/7fa279c5ce9d4a18a0f03d4774ae7dc2/FLAG044c353a7 [2018-12-09 10:49:37,973 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:49:37,973 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 10:49:37,979 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/data/289525120/7fa279c5ce9d4a18a0f03d4774ae7dc2/FLAG044c353a7 [2018-12-09 10:49:37,990 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/data/289525120/7fa279c5ce9d4a18a0f03d4774ae7dc2 [2018-12-09 10:49:37,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:49:37,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:49:37,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:49:37,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:49:37,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:49:37,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:49:37" (1/1) ... [2018-12-09 10:49:37,997 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 10:49:37, skipping insertion in model container [2018-12-09 10:49:37,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:49:37" (1/1) ... [2018-12-09 10:49:38,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:49:38,030 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:49:38,198 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:49:38,243 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:49:38,287 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:49:38,303 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:49:38,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38 WrapperNode [2018-12-09 10:49:38,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:49:38,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:49:38,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:49:38,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:49:38,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:49:38,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:49:38,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:49:38,324 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:49:38,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... [2018-12-09 10:49:38,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:49:38,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:49:38,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:49:38,346 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:49:38,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:49:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:49:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:49:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:49:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:49:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 10:49:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 10:49:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:49:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 10:49:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 10:49:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:49:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:49:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:49:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:49:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:49:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:49:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:49:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:49:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:49:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:49:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:49:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:49:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:49:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:49:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:49:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:49:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:49:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:49:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:49:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:49:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:49:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:49:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:49:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:49:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:49:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:49:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:49:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:49:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:49:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:49:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:49:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:49:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:49:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:49:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:49:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:49:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:49:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:49:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:49:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:49:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:49:38,734 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:49:38,734 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:49:38,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:49:38 BoogieIcfgContainer [2018-12-09 10:49:38,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:49:38,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:49:38,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:49:38,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:49:38,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:49:37" (1/3) ... [2018-12-09 10:49:38,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14df6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:49:38, skipping insertion in model container [2018-12-09 10:49:38,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:49:38" (2/3) ... [2018-12-09 10:49:38,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14df6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:49:38, skipping insertion in model container [2018-12-09 10:49:38,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:49:38" (3/3) ... [2018-12-09 10:49:38,739 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 10:49:38,745 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:49:38,750 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:49:38,759 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:49:38,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:49:38,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:49:38,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:49:38,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:49:38,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:49:38,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:49:38,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:49:38,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:49:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-09 10:49:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 10:49:38,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:38,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:38,797 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:38,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:38,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-12-09 10:49:38,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:38,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:38,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:38,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:38,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:38,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:38,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:49:38,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:38,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:49:38,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:49:38,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:49:38,955 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-09 10:49:38,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:38,979 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-12-09 10:49:38,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:49:38,980 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 10:49:38,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:38,987 INFO L225 Difference]: With dead ends: 300 [2018-12-09 10:49:38,987 INFO L226 Difference]: Without dead ends: 152 [2018-12-09 10:49:38,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:49:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-09 10:49:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-09 10:49:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-09 10:49:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-12-09 10:49:39,020 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-12-09 10:49:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:39,021 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-12-09 10:49:39,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:49:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-12-09 10:49:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:49:39,022 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:39,023 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:39,023 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:39,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:39,023 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-12-09 10:49:39,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:39,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:39,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:39,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:39,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:49:39,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:39,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:49:39,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:49:39,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:49:39,085 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-12-09 10:49:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:39,099 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-12-09 10:49:39,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:49:39,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 10:49:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:39,101 INFO L225 Difference]: With dead ends: 245 [2018-12-09 10:49:39,101 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 10:49:39,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:49:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 10:49:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 10:49:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 10:49:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-09 10:49:39,110 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-12-09 10:49:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:39,110 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-09 10:49:39,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:49:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-09 10:49:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:49:39,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:39,111 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:39,111 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:39,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:39,112 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-12-09 10:49:39,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:39,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:39,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:39,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:39,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:49:39,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:39,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:49:39,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:49:39,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:49:39,185 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-12-09 10:49:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:39,421 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-12-09 10:49:39,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:49:39,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 10:49:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:39,424 INFO L225 Difference]: With dead ends: 258 [2018-12-09 10:49:39,424 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 10:49:39,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:49:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 10:49:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 10:49:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 10:49:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-12-09 10:49:39,436 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-12-09 10:49:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:39,436 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-12-09 10:49:39,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:49:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-12-09 10:49:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 10:49:39,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:39,439 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] [2018-12-09 10:49:39,439 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:39,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:39,440 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-12-09 10:49:39,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:39,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:39,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:39,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:39,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:49:39,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:39,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:49:39,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:49:39,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:49:39,532 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-12-09 10:49:39,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:39,795 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-12-09 10:49:39,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:49:39,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 10:49:39,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:39,797 INFO L225 Difference]: With dead ends: 367 [2018-12-09 10:49:39,797 INFO L226 Difference]: Without dead ends: 252 [2018-12-09 10:49:39,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:49:39,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-12-09 10:49:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-12-09 10:49:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-09 10:49:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-12-09 10:49:39,812 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-12-09 10:49:39,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:39,813 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-12-09 10:49:39,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:49:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-12-09 10:49:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:49:39,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:39,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:39,814 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:39,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:39,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-12-09 10:49:39,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:39,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:39,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:39,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:39,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:39,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:49:39,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:39,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:49:39,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:49:39,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:49:39,879 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-12-09 10:49:39,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:39,995 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-12-09 10:49:39,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:49:39,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 10:49:39,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:39,997 INFO L225 Difference]: With dead ends: 625 [2018-12-09 10:49:39,997 INFO L226 Difference]: Without dead ends: 420 [2018-12-09 10:49:39,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:49:39,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-09 10:49:40,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-12-09 10:49:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-12-09 10:49:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-12-09 10:49:40,017 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-12-09 10:49:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,017 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-12-09 10:49:40,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:49:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-12-09 10:49:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 10:49:40,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,018 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-12-09 10:49:40,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:40,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:40,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:49:40,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:40,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:49:40,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:49:40,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:49:40,074 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-12-09 10:49:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:40,380 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-12-09 10:49:40,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 10:49:40,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 10:49:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:40,383 INFO L225 Difference]: With dead ends: 831 [2018-12-09 10:49:40,383 INFO L226 Difference]: Without dead ends: 445 [2018-12-09 10:49:40,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:49:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-09 10:49:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-12-09 10:49:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-09 10:49:40,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-12-09 10:49:40,407 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-12-09 10:49:40,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,408 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-12-09 10:49:40,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:49:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-12-09 10:49:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:49:40,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,409 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,409 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,410 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-12-09 10:49:40,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:40,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:40,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:49:40,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:40,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:49:40,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:49:40,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:49:40,473 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-12-09 10:49:40,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:40,498 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-12-09 10:49:40,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:49:40,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 10:49:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:40,501 INFO L225 Difference]: With dead ends: 808 [2018-12-09 10:49:40,501 INFO L226 Difference]: Without dead ends: 423 [2018-12-09 10:49:40,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:49:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-12-09 10:49:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-12-09 10:49:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-12-09 10:49:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-12-09 10:49:40,522 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-12-09 10:49:40,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,522 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-12-09 10:49:40,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:49:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-12-09 10:49:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:49:40,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,524 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,524 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-12-09 10:49:40,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:40,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:40,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 10:49:40,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:40,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:49:40,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:49:40,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:49:40,585 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-12-09 10:49:40,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:40,612 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-12-09 10:49:40,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:49:40,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-09 10:49:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:40,613 INFO L225 Difference]: With dead ends: 832 [2018-12-09 10:49:40,614 INFO L226 Difference]: Without dead ends: 437 [2018-12-09 10:49:40,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:49:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-09 10:49:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-12-09 10:49:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-12-09 10:49:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-12-09 10:49:40,630 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-12-09 10:49:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,631 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-12-09 10:49:40,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:49:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-12-09 10:49:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:49:40,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,632 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,633 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-12-09 10:49:40,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:40,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:40,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:49:40,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:40,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:49:40,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:49:40,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:49:40,686 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-12-09 10:49:40,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:40,830 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-12-09 10:49:40,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:49:40,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-09 10:49:40,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:40,834 INFO L225 Difference]: With dead ends: 1306 [2018-12-09 10:49:40,834 INFO L226 Difference]: Without dead ends: 903 [2018-12-09 10:49:40,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:49:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-09 10:49:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-12-09 10:49:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-12-09 10:49:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-12-09 10:49:40,866 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-12-09 10:49:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,867 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-12-09 10:49:40,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:49:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-12-09 10:49:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 10:49:40,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,868 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,868 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-12-09 10:49:40,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:40,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:49:40,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:49:40,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:40,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:49:40,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:49:40,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:49:40,895 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-12-09 10:49:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:40,944 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-12-09 10:49:40,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:49:40,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-09 10:49:40,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:40,946 INFO L225 Difference]: With dead ends: 898 [2018-12-09 10:49:40,947 INFO L226 Difference]: Without dead ends: 895 [2018-12-09 10:49:40,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:49:40,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-09 10:49:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-12-09 10:49:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-09 10:49:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-12-09 10:49:40,978 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-12-09 10:49:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:40,979 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-12-09 10:49:40,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:49:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-12-09 10:49:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 10:49:40,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:40,981 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:40,981 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:40,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:40,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-12-09 10:49:40,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:40,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:40,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:40,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 10:49:41,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:49:41,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:49:41,062 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-09 10:49:41,063 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [177], [181], [187], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-09 10:49:41,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:49:41,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:49:42,310 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:49:42,311 INFO L272 AbstractInterpreter]: Visited 105 different actions 531 times. Merged at 14 different actions 50 times. Never widened. Performed 27699 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27699 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 10:49:42,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:42,318 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:49:42,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:49:42,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:49:42,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:42,326 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:49:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:42,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:49:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:49:42,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:49:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 10:49:42,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:49:42,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 10:49:42,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:42,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:49:42,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:49:42,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:49:42,608 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 3 states. [2018-12-09 10:49:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:42,648 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-12-09 10:49:42,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:49:42,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-09 10:49:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:42,651 INFO L225 Difference]: With dead ends: 1249 [2018-12-09 10:49:42,651 INFO L226 Difference]: Without dead ends: 674 [2018-12-09 10:49:42,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:49:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-12-09 10:49:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-12-09 10:49:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-12-09 10:49:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-12-09 10:49:42,678 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-12-09 10:49:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:42,678 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-12-09 10:49:42,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:49:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-12-09 10:49:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 10:49:42,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:49:42,680 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:49:42,681 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:49:42,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-12-09 10:49:42,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:49:42,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:42,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:42,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:49:42,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:49:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:49:42,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:49:42,783 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:49:42,783 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-12-09 10:49:42,783 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [174], [177], [181], [187], [216], [220], [221], [225], [228], [230], [233], [240], [243], [248], [252], [253], [256], [259], [261], [267], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [285], [286], [287], [288], [289], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [339], [340], [341], [342], [345], [346], [347], [348] [2018-12-09 10:49:42,787 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:49:42,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:49:44,297 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:49:44,298 INFO L272 AbstractInterpreter]: Visited 142 different actions 1019 times. Merged at 21 different actions 91 times. Never widened. Performed 43940 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 10:49:44,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:49:44,299 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:49:44,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:49:44,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:49:44,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:49:44,306 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:49:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:49:44,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:49:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:49:44,486 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:49:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:49:44,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:49:44,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 10:49:44,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:49:44,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:49:44,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:49:44,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 10:49:44,790 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 8 states. [2018-12-09 10:49:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:49:44,941 INFO L93 Difference]: Finished difference Result 1221 states and 1378 transitions. [2018-12-09 10:49:44,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:49:44,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-12-09 10:49:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:49:44,942 INFO L225 Difference]: With dead ends: 1221 [2018-12-09 10:49:44,942 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:49:44,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 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 10:49:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:49:44,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:49:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:49:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:49:44,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-09 10:49:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:49:44,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:49:44,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:49:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:49:44,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:49:44,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:49:44,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:44,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:49:45,305 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2018-12-09 10:49:45,420 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-12-09 10:49:45,668 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-09 10:49:47,737 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-12-09 10:49:47,738 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,738 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-12-09 10:49:47,739 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-12-09 10:49:47,740 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,740 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-12-09 10:49:47,740 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-12-09 10:49:47,740 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse2 .cse0 (or .cse3 .cse5)) (or .cse1 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-12-09 10:49:47,741 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-09 10:49:47,742 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-09 10:49:47,742 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-09 10:49:47,743 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-12-09 10:49:47,744 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-12-09 10:49:47,745 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-09 10:49:47,745 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-09 10:49:47,745 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 10:49:47,745 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 10:49:47,745 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 10:49:47,745 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 10:49:47,745 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 10:49:47,745 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 10:49:47,745 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 10:49:47,746 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-12-09 10:49:47,746 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 10:49:47,746 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:49:47,746 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 10:49:47,746 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:49:47,746 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-09 10:49:47,747 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-09 10:49:47,747 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-09 10:49:47,747 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,747 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-12-09 10:49:47,747 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)) (or (or .cse1 .cse2 .cse3) .cse0))) [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-09 10:49:47,748 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-12-09 10:49:47,749 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,749 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-12-09 10:49:47,749 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,749 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-09 10:49:47,749 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-12-09 10:49:47,749 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 10:49:47,749 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-09 10:49:47,749 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-09 10:49:47,749 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-09 10:49:47,750 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-12-09 10:49:47,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:49:47 BoogieIcfgContainer [2018-12-09 10:49:47,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:49:47,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:49:47,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:49:47,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:49:47,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:49:38" (3/4) ... [2018-12-09 10:49:47,764 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 10:49:47,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 10:49:47,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 10:49:47,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:49:47,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 10:49:47,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:49:47,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 10:49:47,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:49:47,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 10:49:47,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 10:49:47,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 10:49:47,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 10:49:47,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:49:47,775 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:49:47,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-09 10:49:47,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:49:47,824 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31d06204-852b-4d78-96c1-04581ef07343/bin-2019/utaipan/witness.graphml [2018-12-09 10:49:47,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:49:47,825 INFO L168 Benchmark]: Toolchain (without parser) took 9832.28 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 621.8 MB). Free memory was 948.1 MB in the beginning and 804.0 MB in the end (delta: 144.1 MB). Peak memory consumption was 765.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:49:47,825 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:49:47,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:49:47,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.24 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 10:49:47,826 INFO L168 Benchmark]: Boogie Preprocessor took 21.91 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 10:49:47,826 INFO L168 Benchmark]: RCFGBuilder took 388.08 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:49:47,826 INFO L168 Benchmark]: TraceAbstraction took 9026.38 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 485.0 MB). Free memory was 1.1 GB in the beginning and 819.4 MB in the end (delta: 246.5 MB). Peak memory consumption was 772.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:49:47,826 INFO L168 Benchmark]: Witness Printer took 62.70 ms. Allocated memory is still 1.7 GB. Free memory was 819.4 MB in the beginning and 804.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:49:47,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.24 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 21.91 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 388.08 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9026.38 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 485.0 MB). Free memory was 1.1 GB in the beginning and 819.4 MB in the end (delta: 246.5 MB). Peak memory consumption was 772.5 MB. Max. memory is 11.5 GB. * Witness Printer took 62.70 ms. Allocated memory is still 1.7 GB. Free memory was 819.4 MB in the beginning and 804.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2317 SDtfs, 1234 SDslu, 4478 SDs, 0 SdLazy, 1398 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 712 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1684 PreInvPairs, 1743 NumberOfFragments, 2830 HoareAnnotationTreeSize, 1684 FomulaSimplifications, 6161 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8650 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 374635 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 298/318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...