./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_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_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:04:23,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:04:23,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:04:23,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:04:23,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:04:23,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:04:23,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:04:23,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:04:23,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:04:23,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:04:23,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:04:23,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:04:23,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:04:23,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:04:23,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:04:23,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:04:23,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:04:23,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:04:23,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:04:23,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:04:23,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:04:23,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:04:23,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:04:23,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:04:23,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:04:23,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:04:23,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:04:23,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:04:23,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:04:23,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:04:23,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:04:23,135 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:04:23,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:04:23,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:04:23,136 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:04:23,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:04:23,137 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:04:23,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:04:23,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:04:23,145 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:04:23,145 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:04:23,145 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:04:23,145 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:04:23,146 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:04:23,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:04:23,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:04:23,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:04:23,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:04:23,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:04:23,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:04:23,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:04:23,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:04:23,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:04:23,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:04:23,150 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:04:23,150 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:04:23,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:04:23,150 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:04:23,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:04:23,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:04:23,151 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:04:23,151 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_d69dcd37-48bf-4c5a-ad33-41ad8096136c/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-12-09 09:04:23,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:04:23,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:04:23,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:04:23,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:04:23,183 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:04:23,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-09 09:04:23,224 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/data/89f395af0/cba15d65d0f04c66b53c594cd3f3ec38/FLAGc4c500ceb [2018-12-09 09:04:23,612 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:04:23,613 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-09 09:04:23,619 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/data/89f395af0/cba15d65d0f04c66b53c594cd3f3ec38/FLAGc4c500ceb [2018-12-09 09:04:23,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/data/89f395af0/cba15d65d0f04c66b53c594cd3f3ec38 [2018-12-09 09:04:23,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:04:23,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:04:23,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:23,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:04:23,632 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:04:23,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23, skipping insertion in model container [2018-12-09 09:04:23,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:04:23,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:04:23,833 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:23,877 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:04:23,932 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:23,953 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:04:23,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23 WrapperNode [2018-12-09 09:04:23,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:23,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:23,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:04:23,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:04:23,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:23,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:04:23,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:04:23,979 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:04:23,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:23,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:24,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:24,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... [2018-12-09 09:04:24,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:04:24,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:04:24,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:04:24,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:04:24,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:04:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:04:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 09:04:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:04:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:04:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:04:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:04:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:04:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:04:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:04:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:04:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:04:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:04:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:04:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:04:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:04:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:04:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:04:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:04:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:04:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:04:24,329 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:04:24,329 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:04:24,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:24 BoogieIcfgContainer [2018-12-09 09:04:24,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:04:24,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:04:24,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:04:24,333 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:04:24,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:04:23" (1/3) ... [2018-12-09 09:04:24,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f5bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:24, skipping insertion in model container [2018-12-09 09:04:24,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:23" (2/3) ... [2018-12-09 09:04:24,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f5bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:24, skipping insertion in model container [2018-12-09 09:04:24,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:24" (3/3) ... [2018-12-09 09:04:24,336 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-09 09:04:24,345 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:04:24,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:04:24,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:04:24,388 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:04:24,388 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:04:24,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:04:24,389 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:04:24,389 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:04:24,389 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:04:24,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:04:24,389 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:04:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-09 09:04:24,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:04:24,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:24,407 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:24,409 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:24,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:24,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1919739820, now seen corresponding path program 1 times [2018-12-09 09:04:24,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:24,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:24,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,443 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:24,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:24,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:04:24,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:24,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:04:24,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:04:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:04:24,570 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-09 09:04:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:24,592 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-12-09 09:04:24,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:04:24,593 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 09:04:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:24,600 INFO L225 Difference]: With dead ends: 262 [2018-12-09 09:04:24,600 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 09:04:24,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:04:24,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 09:04:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 09:04:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 09:04:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-12-09 09:04:24,632 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2018-12-09 09:04:24,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:24,632 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-12-09 09:04:24,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:04:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-12-09 09:04:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:04:24,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:24,634 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:24,634 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:24,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:24,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1005326354, now seen corresponding path program 1 times [2018-12-09 09:04:24,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:24,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:24,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:24,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:24,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:04:24,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:24,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:04:24,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:04:24,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:04:24,693 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-12-09 09:04:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:24,706 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-12-09 09:04:24,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:04:24,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 09:04:24,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:24,707 INFO L225 Difference]: With dead ends: 211 [2018-12-09 09:04:24,707 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 09:04:24,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:04:24,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 09:04:24,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 09:04:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 09:04:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-12-09 09:04:24,716 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2018-12-09 09:04:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:24,716 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-12-09 09:04:24,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:04:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-09 09:04:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 09:04:24,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:24,717 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] [2018-12-09 09:04:24,717 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:24,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:24,717 INFO L82 PathProgramCache]: Analyzing trace with hash -462648115, now seen corresponding path program 1 times [2018-12-09 09:04:24,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:24,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:24,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:24,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:24,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:04:24,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:24,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:04:24,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:04:24,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:24,798 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-12-09 09:04:24,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:24,957 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2018-12-09 09:04:24,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:04:24,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 09:04:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:24,959 INFO L225 Difference]: With dead ends: 220 [2018-12-09 09:04:24,959 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 09:04:24,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:04:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 09:04:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 09:04:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 09:04:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-09 09:04:24,970 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 56 [2018-12-09 09:04:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:24,970 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-09 09:04:24,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:04:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-09 09:04:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 09:04:24,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:24,972 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] [2018-12-09 09:04:24,973 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:24,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:24,973 INFO L82 PathProgramCache]: Analyzing trace with hash 2108365034, now seen corresponding path program 1 times [2018-12-09 09:04:24,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:24,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:24,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:24,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:25,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:25,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:04:25,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:25,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:04:25,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:04:25,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:04:25,049 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-12-09 09:04:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:25,315 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2018-12-09 09:04:25,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:04:25,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-09 09:04:25,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:25,318 INFO L225 Difference]: With dead ends: 316 [2018-12-09 09:04:25,318 INFO L226 Difference]: Without dead ends: 220 [2018-12-09 09:04:25,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 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 09:04:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-09 09:04:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 202. [2018-12-09 09:04:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-12-09 09:04:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2018-12-09 09:04:25,341 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 69 [2018-12-09 09:04:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:25,342 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2018-12-09 09:04:25,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:04:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2018-12-09 09:04:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 09:04:25,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:25,344 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] [2018-12-09 09:04:25,344 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:25,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:25,345 INFO L82 PathProgramCache]: Analyzing trace with hash 923888339, now seen corresponding path program 1 times [2018-12-09 09:04:25,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:25,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:25,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:25,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:25,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:04:25,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:25,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:04:25,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:04:25,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:04:25,408 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 6 states. [2018-12-09 09:04:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:25,532 INFO L93 Difference]: Finished difference Result 532 states and 632 transitions. [2018-12-09 09:04:25,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:04:25,532 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-09 09:04:25,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:25,534 INFO L225 Difference]: With dead ends: 532 [2018-12-09 09:04:25,534 INFO L226 Difference]: Without dead ends: 358 [2018-12-09 09:04:25,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:04:25,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-12-09 09:04:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 352. [2018-12-09 09:04:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-12-09 09:04:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2018-12-09 09:04:25,554 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 83 [2018-12-09 09:04:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:25,554 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2018-12-09 09:04:25,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:04:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2018-12-09 09:04:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 09:04:25,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:25,555 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] [2018-12-09 09:04:25,556 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:25,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:25,556 INFO L82 PathProgramCache]: Analyzing trace with hash -968028617, now seen corresponding path program 1 times [2018-12-09 09:04:25,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:25,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:25,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:25,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:04:25,621 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:25,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:04:25,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:04:25,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:25,622 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 7 states. [2018-12-09 09:04:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:25,922 INFO L93 Difference]: Finished difference Result 705 states and 832 transitions. [2018-12-09 09:04:25,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:04:25,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-09 09:04:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:25,924 INFO L225 Difference]: With dead ends: 705 [2018-12-09 09:04:25,924 INFO L226 Difference]: Without dead ends: 381 [2018-12-09 09:04:25,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 09:04:25,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-09 09:04:25,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 351. [2018-12-09 09:04:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-12-09 09:04:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2018-12-09 09:04:25,939 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 87 [2018-12-09 09:04:25,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:25,939 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2018-12-09 09:04:25,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:04:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2018-12-09 09:04:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:04:25,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:25,940 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:25,940 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:25,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:25,940 INFO L82 PathProgramCache]: Analyzing trace with hash 319859695, now seen corresponding path program 1 times [2018-12-09 09:04:25,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:25,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:25,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:25,941 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:25,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:25,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:04:25,981 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:25,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:04:25,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:04:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:04:25,982 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 6 states. [2018-12-09 09:04:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:26,012 INFO L93 Difference]: Finished difference Result 684 states and 794 transitions. [2018-12-09 09:04:26,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:04:26,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 09:04:26,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:26,014 INFO L225 Difference]: With dead ends: 684 [2018-12-09 09:04:26,015 INFO L226 Difference]: Without dead ends: 361 [2018-12-09 09:04:26,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-12-09 09:04:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-12-09 09:04:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-09 09:04:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2018-12-09 09:04:26,033 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 88 [2018-12-09 09:04:26,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:26,033 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2018-12-09 09:04:26,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:04:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2018-12-09 09:04:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:04:26,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:26,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:26,035 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:26,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:26,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1021459569, now seen corresponding path program 1 times [2018-12-09 09:04:26,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:26,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:26,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:26,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:26,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:04:26,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:26,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:04:26,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:04:26,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:04:26,097 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 8 states. [2018-12-09 09:04:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:26,126 INFO L93 Difference]: Finished difference Result 708 states and 828 transitions. [2018-12-09 09:04:26,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:04:26,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-09 09:04:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:26,127 INFO L225 Difference]: With dead ends: 708 [2018-12-09 09:04:26,128 INFO L226 Difference]: Without dead ends: 375 [2018-12-09 09:04:26,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:04:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-12-09 09:04:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2018-12-09 09:04:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-12-09 09:04:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 419 transitions. [2018-12-09 09:04:26,140 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 419 transitions. Word has length 88 [2018-12-09 09:04:26,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:26,140 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 419 transitions. [2018-12-09 09:04:26,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:04:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 419 transitions. [2018-12-09 09:04:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:04:26,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:26,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:26,141 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:26,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:26,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1548026830, now seen corresponding path program 1 times [2018-12-09 09:04:26,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:26,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:26,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:26,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:26,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:04:26,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:26,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:04:26,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:04:26,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:04:26,184 INFO L87 Difference]: Start difference. First operand 369 states and 419 transitions. Second operand 4 states. [2018-12-09 09:04:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:26,301 INFO L93 Difference]: Finished difference Result 1106 states and 1326 transitions. [2018-12-09 09:04:26,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:04:26,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-09 09:04:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:26,304 INFO L225 Difference]: With dead ends: 1106 [2018-12-09 09:04:26,304 INFO L226 Difference]: Without dead ends: 765 [2018-12-09 09:04:26,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:04:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-12-09 09:04:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 493. [2018-12-09 09:04:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-09 09:04:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 556 transitions. [2018-12-09 09:04:26,326 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 556 transitions. Word has length 88 [2018-12-09 09:04:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:26,326 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 556 transitions. [2018-12-09 09:04:26,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:04:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 556 transitions. [2018-12-09 09:04:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 09:04:26,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:26,327 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] [2018-12-09 09:04:26,327 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:26,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1421535980, now seen corresponding path program 1 times [2018-12-09 09:04:26,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:26,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:26,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:04:26,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:26,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:04:26,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:04:26,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:04:26,363 INFO L87 Difference]: Start difference. First operand 493 states and 556 transitions. Second operand 3 states. [2018-12-09 09:04:26,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:26,400 INFO L93 Difference]: Finished difference Result 764 states and 876 transitions. [2018-12-09 09:04:26,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:04:26,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-09 09:04:26,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:26,402 INFO L225 Difference]: With dead ends: 764 [2018-12-09 09:04:26,402 INFO L226 Difference]: Without dead ends: 761 [2018-12-09 09:04:26,402 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 09:04:26,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-12-09 09:04:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 634. [2018-12-09 09:04:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-12-09 09:04:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 725 transitions. [2018-12-09 09:04:26,424 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 725 transitions. Word has length 92 [2018-12-09 09:04:26,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:26,424 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 725 transitions. [2018-12-09 09:04:26,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:04:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 725 transitions. [2018-12-09 09:04:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 09:04:26,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:26,425 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:26,426 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:26,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2077363115, now seen corresponding path program 1 times [2018-12-09 09:04:26,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:26,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:26,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:26,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 09:04:26,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:26,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:26,474 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-09 09:04:26,475 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [99], [116], [118], [121], [123], [126], [129], [132], [140], [141], [142], [143], [144], [145], [146], [147], [149], [154], [156], [157], [162], [164], [165], [166], [172], [176], [182], [216], [220], [223], [225], [228], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [261], [262], [263], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [291], [292], [293], [294], [299], [300], [301], [303], [304], [305], [306] [2018-12-09 09:04:26,498 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:26,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:27,497 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:27,498 INFO L272 AbstractInterpreter]: Visited 99 different actions 399 times. Merged at 13 different actions 37 times. Never widened. Performed 20970 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-09 09:04:27,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:27,504 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:27,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:27,504 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:04:27,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:27,512 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:27,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:27,641 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 09:04:27,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:04:27,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 09:04:27,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:27,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:04:27,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:04:27,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:04:27,775 INFO L87 Difference]: Start difference. First operand 634 states and 725 transitions. Second operand 3 states. [2018-12-09 09:04:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:27,817 INFO L93 Difference]: Finished difference Result 1060 states and 1221 transitions. [2018-12-09 09:04:27,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:04:27,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-12-09 09:04:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:27,820 INFO L225 Difference]: With dead ends: 1060 [2018-12-09 09:04:27,820 INFO L226 Difference]: Without dead ends: 574 [2018-12-09 09:04:27,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 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 09:04:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-09 09:04:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2018-12-09 09:04:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-12-09 09:04:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 646 transitions. [2018-12-09 09:04:27,847 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 646 transitions. Word has length 150 [2018-12-09 09:04:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:27,847 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 646 transitions. [2018-12-09 09:04:27,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:04:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 646 transitions. [2018-12-09 09:04:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 09:04:27,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:27,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:27,849 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:27,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:27,849 INFO L82 PathProgramCache]: Analyzing trace with hash 532177712, now seen corresponding path program 1 times [2018-12-09 09:04:27,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:27,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:27,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:27,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:27,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:04:27,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:27,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:27,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-09 09:04:27,935 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [99], [114], [115], [116], [118], [121], [123], [126], [129], [132], [140], [141], [142], [143], [144], [145], [146], [147], [149], [154], [156], [157], [162], [164], [165], [166], [169], [172], [176], [182], [211], [215], [216], [220], [223], [225], [228], [235], [238], [241], [245], [246], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [299], [300], [301], [303], [304], [305], [306], [309], [310] [2018-12-09 09:04:27,937 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:27,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:28,833 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:28,833 INFO L272 AbstractInterpreter]: Visited 124 different actions 765 times. Merged at 20 different actions 68 times. Never widened. Performed 25016 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25016 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 09:04:28,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:28,835 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:28,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:28,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:04:28,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:28,841 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:28,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:29,001 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:04:29,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:04:29,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 09:04:29,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:29,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:04:29,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:04:29,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:04:29,239 INFO L87 Difference]: Start difference. First operand 574 states and 646 transitions. Second operand 9 states. [2018-12-09 09:04:29,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:29,858 INFO L93 Difference]: Finished difference Result 1731 states and 2252 transitions. [2018-12-09 09:04:29,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:04:29,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-12-09 09:04:29,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:29,862 INFO L225 Difference]: With dead ends: 1731 [2018-12-09 09:04:29,862 INFO L226 Difference]: Without dead ends: 1305 [2018-12-09 09:04:29,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 09:04:29,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2018-12-09 09:04:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1122. [2018-12-09 09:04:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2018-12-09 09:04:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1343 transitions. [2018-12-09 09:04:29,909 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1343 transitions. Word has length 152 [2018-12-09 09:04:29,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:29,910 INFO L480 AbstractCegarLoop]: Abstraction has 1122 states and 1343 transitions. [2018-12-09 09:04:29,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:04:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1343 transitions. [2018-12-09 09:04:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 09:04:29,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:29,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:29,911 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:29,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:29,911 INFO L82 PathProgramCache]: Analyzing trace with hash 459791154, now seen corresponding path program 1 times [2018-12-09 09:04:29,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:29,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:29,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:29,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:29,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 09:04:29,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:29,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:04:29,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:29,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:04:29,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:04:29,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:04:29,966 INFO L87 Difference]: Start difference. First operand 1122 states and 1343 transitions. Second operand 9 states. [2018-12-09 09:04:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:30,005 INFO L93 Difference]: Finished difference Result 1577 states and 1880 transitions. [2018-12-09 09:04:30,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:04:30,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-12-09 09:04:30,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:30,006 INFO L225 Difference]: With dead ends: 1577 [2018-12-09 09:04:30,006 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:04:30,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:04:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:04:30,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:04:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:04:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:04:30,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-09 09:04:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:30,009 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:04:30,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:04:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:04:30,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:04:30,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:04:30,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:04:30,496 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-12-09 09:04:31,518 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-12-09 09:04:32,295 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2018-12-09 09:04:32,295 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2018-12-09 09:04:32,295 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2018-12-09 09:04:32,295 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2018-12-09 09:04:32,296 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2018-12-09 09:04:32,296 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,296 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,296 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,296 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,296 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-09 09:04:32,296 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-09 09:04:32,296 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) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:04:32,297 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) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2018-12-09 09:04:32,297 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2018-12-09 09:04:32,298 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,298 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L444 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2018-12-09 09:04:32,298 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L444 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-09 09:04:32,299 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-12-09 09:04:32,299 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2018-12-09 09:04:32,299 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2018-12-09 09:04:32,300 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:04:32,300 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:04:32,300 INFO L444 ceAbstractionStarter]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:04:32,300 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L444 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:04:32,300 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2018-12-09 09:04:32,300 INFO L444 ceAbstractionStarter]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2018-12-09 09:04:32,301 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-09 09:04:32,302 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point L272-1(line 272) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:04:32,302 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L451 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point L528-1(line 528) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2018-12-09 09:04:32,303 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-12-09 09:04:32,304 INFO L444 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-12-09 09:04:32,304 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point L370(lines 369 388) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 09:04:32,304 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 09:04:32,305 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 09:04:32,305 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:04:32,305 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 09:04:32,306 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:04:32,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:04:32,306 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-09 09:04:32,306 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 09:04:32,306 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2018-12-09 09:04:32,306 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2018-12-09 09:04:32,306 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2018-12-09 09:04:32,306 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-12-09 09:04:32,306 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2018-12-09 09:04:32,306 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 09:04:32,306 INFO L448 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2018-12-09 09:04:32,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2018-12-09 09:04:32,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:04:32 BoogieIcfgContainer [2018-12-09 09:04:32,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:04:32,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:04:32,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:04:32,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:04:32,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:24" (3/4) ... [2018-12-09 09:04:32,320 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:04:32,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:04:32,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:04:32,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:04:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:04:32,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 09:04:32,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 09:04:32,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:04:32,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:04:32,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:04:32,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:04:32,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:04:32,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:04:32,374 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d69dcd37-48bf-4c5a-ad33-41ad8096136c/bin-2019/utaipan/witness.graphml [2018-12-09 09:04:32,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:04:32,375 INFO L168 Benchmark]: Toolchain (without parser) took 8745.87 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 591.4 MB). Free memory was 957.1 MB in the beginning and 933.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 614.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:32,375 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:04:32,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:32,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:04:32,375 INFO L168 Benchmark]: Boogie Preprocessor took 25.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:04:32,376 INFO L168 Benchmark]: RCFGBuilder took 325.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:32,376 INFO L168 Benchmark]: TraceAbstraction took 7986.20 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 480.2 MB). Free memory was 1.0 GB in the beginning and 950.3 MB in the end (delta: 95.7 MB). Peak memory consumption was 581.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:32,376 INFO L168 Benchmark]: Witness Printer took 57.36 ms. Allocated memory is still 1.6 GB. Free memory was 934.3 MB in the beginning and 933.7 MB in the end (delta: 614.2 kB). Peak memory consumption was 614.2 kB. Max. memory is 11.5 GB. [2018-12-09 09:04:32,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7986.20 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 480.2 MB). Free memory was 1.0 GB in the beginning and 950.3 MB in the end (delta: 95.7 MB). Peak memory consumption was 581.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.36 ms. Allocated memory is still 1.6 GB. Free memory was 934.3 MB in the beginning and 933.7 MB in the end (delta: 614.2 kB). Peak memory consumption was 614.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2063 SDtfs, 1429 SDslu, 4260 SDs, 0 SdLazy, 1994 SolverSat, 531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 647 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 642 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1737 PreInvPairs, 1813 NumberOfFragments, 1886 HoareAnnotationTreeSize, 1737 FomulaSimplifications, 11334 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11408 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1795 ConstructedInterpolants, 0 QuantifiedInterpolants, 338425 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1759 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 282/302 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...