./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_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_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:27:37,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:27:37,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:27:37,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:27:37,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:27:37,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:27:37,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:27:37,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:27:37,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:27:37,142 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:27:37,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:27:37,143 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:27:37,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:27:37,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:27:37,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:27:37,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:27:37,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:27:37,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:27:37,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:27:37,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:27:37,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:27:37,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:27:37,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:27:37,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:27:37,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:27:37,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:27:37,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:27:37,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:27:37,151 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:27:37,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:27:37,152 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:27:37,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:27:37,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:27:37,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:27:37,153 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:27:37,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:27:37,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:27:37,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:27:37,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:27:37,161 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:27:37,161 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:27:37,161 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:27:37,162 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:27:37,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:27:37,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:27:37,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:27:37,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:27:37,164 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:27:37,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:27:37,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:27:37,164 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:27:37,164 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_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-12-09 19:27:37,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:27:37,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:27:37,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:27:37,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:27:37,194 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:27:37,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-09 19:27:37,232 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/data/190ee7153/5b85df7a27ae4e109a922b4661c51d26/FLAGd70d883e0 [2018-12-09 19:27:37,630 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:27:37,631 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-09 19:27:37,637 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/data/190ee7153/5b85df7a27ae4e109a922b4661c51d26/FLAGd70d883e0 [2018-12-09 19:27:37,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/data/190ee7153/5b85df7a27ae4e109a922b4661c51d26 [2018-12-09 19:27:37,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:27:37,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:27:37,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:27:37,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:27:37,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:27:37,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37, skipping insertion in model container [2018-12-09 19:27:37,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:27:37,677 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:27:37,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:27:37,831 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:27:37,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:27:37,930 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:27:37,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37 WrapperNode [2018-12-09 19:27:37,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:27:37,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:27:37,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:27:37,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:27:37,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:27:37,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:27:37,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:27:37,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:27:37,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... [2018-12-09 19:27:37,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:27:37,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:27:37,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:27:37,974 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:27:37,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/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 19:27:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:27:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:27:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:27:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:27:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:27:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:27:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:27:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:27:38,262 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:27:38,262 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:27:38,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:27:38 BoogieIcfgContainer [2018-12-09 19:27:38,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:27:38,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:27:38,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:27:38,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:27:38,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:27:37" (1/3) ... [2018-12-09 19:27:38,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232d4a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:27:38, skipping insertion in model container [2018-12-09 19:27:38,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:27:37" (2/3) ... [2018-12-09 19:27:38,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232d4a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:27:38, skipping insertion in model container [2018-12-09 19:27:38,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:27:38" (3/3) ... [2018-12-09 19:27:38,267 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-09 19:27:38,273 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:27:38,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:27:38,288 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:27:38,306 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:27:38,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:27:38,307 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:27:38,307 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:27:38,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:27:38,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:27:38,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:27:38,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:27:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-09 19:27:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:27:38,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:38,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:27:38,326 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:38,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1719374991, now seen corresponding path program 1 times [2018-12-09 19:27:38,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:38,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:38,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:38,470 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 19:27:38,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:38,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:27:38,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:38,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:27:38,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:27:38,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:27:38,484 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-09 19:27:38,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:38,506 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-12-09 19:27:38,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:27:38,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 19:27:38,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:38,513 INFO L225 Difference]: With dead ends: 264 [2018-12-09 19:27:38,513 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 19:27:38,516 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 19:27:38,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 19:27:38,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 19:27:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 19:27:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-12-09 19:27:38,545 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-12-09 19:27:38,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:38,546 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-12-09 19:27:38,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:27:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-12-09 19:27:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:27:38,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:38,548 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 19:27:38,548 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:38,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:38,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1764692514, now seen corresponding path program 1 times [2018-12-09 19:27:38,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:38,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:38,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:38,605 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 19:27:38,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:38,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:27:38,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:38,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:27:38,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:27:38,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:27:38,607 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-12-09 19:27:38,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:38,623 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2018-12-09 19:27:38,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:27:38,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 19:27:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:38,624 INFO L225 Difference]: With dead ends: 207 [2018-12-09 19:27:38,624 INFO L226 Difference]: Without dead ends: 125 [2018-12-09 19:27:38,625 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 19:27:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-09 19:27:38,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-09 19:27:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-09 19:27:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-12-09 19:27:38,633 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-12-09 19:27:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:38,633 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-12-09 19:27:38,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:27:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-12-09 19:27:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:27:38,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:38,634 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, 1, 1, 1, 1] [2018-12-09 19:27:38,634 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:38,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:38,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1188417831, now seen corresponding path program 1 times [2018-12-09 19:27:38,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:38,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:38,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:38,722 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 19:27:38,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:38,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:27:38,722 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:38,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:27:38,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:27:38,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:27:38,723 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-12-09 19:27:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:38,949 INFO L93 Difference]: Finished difference Result 370 states and 453 transitions. [2018-12-09 19:27:38,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:27:38,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 19:27:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:38,953 INFO L225 Difference]: With dead ends: 370 [2018-12-09 19:27:38,953 INFO L226 Difference]: Without dead ends: 273 [2018-12-09 19:27:38,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:27:38,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-09 19:27:38,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2018-12-09 19:27:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-12-09 19:27:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2018-12-09 19:27:38,982 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2018-12-09 19:27:38,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:38,982 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2018-12-09 19:27:38,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:27:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2018-12-09 19:27:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:27:38,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:38,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:27:38,985 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:38,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:38,985 INFO L82 PathProgramCache]: Analyzing trace with hash -455106248, now seen corresponding path program 1 times [2018-12-09 19:27:38,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:38,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:27:39,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:39,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:27:39,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:39,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:27:39,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:27:39,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:27:39,072 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2018-12-09 19:27:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:39,185 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2018-12-09 19:27:39,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:27:39,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 19:27:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:39,189 INFO L225 Difference]: With dead ends: 721 [2018-12-09 19:27:39,189 INFO L226 Difference]: Without dead ends: 484 [2018-12-09 19:27:39,191 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 19:27:39,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-12-09 19:27:39,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2018-12-09 19:27:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-09 19:27:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2018-12-09 19:27:39,222 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2018-12-09 19:27:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:39,223 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2018-12-09 19:27:39,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:27:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2018-12-09 19:27:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:27:39,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:39,225 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:27:39,225 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:39,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:39,225 INFO L82 PathProgramCache]: Analyzing trace with hash 867395924, now seen corresponding path program 1 times [2018-12-09 19:27:39,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:39,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:39,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:39,283 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 19:27:39,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:39,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:27:39,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:39,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:27:39,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:27:39,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:27:39,285 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2018-12-09 19:27:39,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:39,636 INFO L93 Difference]: Finished difference Result 1245 states and 1650 transitions. [2018-12-09 19:27:39,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 19:27:39,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 19:27:39,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:39,638 INFO L225 Difference]: With dead ends: 1245 [2018-12-09 19:27:39,639 INFO L226 Difference]: Without dead ends: 795 [2018-12-09 19:27:39,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:27:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-12-09 19:27:39,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2018-12-09 19:27:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-09 19:27:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2018-12-09 19:27:39,668 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2018-12-09 19:27:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:39,668 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2018-12-09 19:27:39,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:27:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2018-12-09 19:27:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:27:39,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:39,670 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 19:27:39,670 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:39,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:39,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1748551597, now seen corresponding path program 1 times [2018-12-09 19:27:39,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:39,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:39,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:39,716 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 19:27:39,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:39,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:27:39,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:39,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:27:39,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:27:39,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:27:39,717 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 6 states. [2018-12-09 19:27:39,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:39,765 INFO L93 Difference]: Finished difference Result 1390 states and 1732 transitions. [2018-12-09 19:27:39,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:27:39,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 19:27:39,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:39,768 INFO L225 Difference]: With dead ends: 1390 [2018-12-09 19:27:39,768 INFO L226 Difference]: Without dead ends: 719 [2018-12-09 19:27:39,769 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 19:27:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2018-12-09 19:27:39,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2018-12-09 19:27:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-12-09 19:27:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2018-12-09 19:27:39,791 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 88 [2018-12-09 19:27:39,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:39,792 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2018-12-09 19:27:39,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:27:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2018-12-09 19:27:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:27:39,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:39,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:27:39,793 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:39,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:39,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1844815825, now seen corresponding path program 1 times [2018-12-09 19:27:39,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:39,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:39,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:39,846 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 19:27:39,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:39,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:27:39,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:39,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:27:39,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:27:39,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:27:39,847 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 8 states. [2018-12-09 19:27:39,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:39,887 INFO L93 Difference]: Finished difference Result 1438 states and 1810 transitions. [2018-12-09 19:27:39,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:27:39,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-09 19:27:39,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:39,889 INFO L225 Difference]: With dead ends: 1438 [2018-12-09 19:27:39,889 INFO L226 Difference]: Without dead ends: 747 [2018-12-09 19:27:39,890 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 19:27:39,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2018-12-09 19:27:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 735. [2018-12-09 19:27:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-12-09 19:27:39,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-12-09 19:27:39,911 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 88 [2018-12-09 19:27:39,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:39,912 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-12-09 19:27:39,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:27:39,912 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-12-09 19:27:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:27:39,913 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:39,913 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 19:27:39,913 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:39,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:39,913 INFO L82 PathProgramCache]: Analyzing trace with hash -119334928, now seen corresponding path program 1 times [2018-12-09 19:27:39,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:39,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:39,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:39,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:39,955 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 19:27:39,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:39,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:27:39,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:39,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:27:39,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:27:39,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:27:39,956 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 4 states. [2018-12-09 19:27:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:40,116 INFO L93 Difference]: Finished difference Result 2385 states and 3038 transitions. [2018-12-09 19:27:40,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:27:40,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-09 19:27:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:40,121 INFO L225 Difference]: With dead ends: 2385 [2018-12-09 19:27:40,121 INFO L226 Difference]: Without dead ends: 1678 [2018-12-09 19:27:40,123 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 19:27:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2018-12-09 19:27:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1647. [2018-12-09 19:27:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-12-09 19:27:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2047 transitions. [2018-12-09 19:27:40,174 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2047 transitions. Word has length 88 [2018-12-09 19:27:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:40,174 INFO L480 AbstractCegarLoop]: Abstraction has 1647 states and 2047 transitions. [2018-12-09 19:27:40,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:27:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2047 transitions. [2018-12-09 19:27:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 19:27:40,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:40,176 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 19:27:40,176 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:40,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:40,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1362208938, now seen corresponding path program 1 times [2018-12-09 19:27:40,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:40,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:40,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:40,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:40,177 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:40,206 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 19:27:40,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:40,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:27:40,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:40,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:27:40,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:27:40,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:27:40,207 INFO L87 Difference]: Start difference. First operand 1647 states and 2047 transitions. Second operand 3 states. [2018-12-09 19:27:40,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:40,264 INFO L93 Difference]: Finished difference Result 2606 states and 3345 transitions. [2018-12-09 19:27:40,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:27:40,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-09 19:27:40,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:40,271 INFO L225 Difference]: With dead ends: 2606 [2018-12-09 19:27:40,271 INFO L226 Difference]: Without dead ends: 2603 [2018-12-09 19:27:40,273 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 19:27:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2018-12-09 19:27:40,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2443. [2018-12-09 19:27:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2443 states. [2018-12-09 19:27:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3149 transitions. [2018-12-09 19:27:40,350 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3149 transitions. Word has length 92 [2018-12-09 19:27:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:40,350 INFO L480 AbstractCegarLoop]: Abstraction has 2443 states and 3149 transitions. [2018-12-09 19:27:40,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:27:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3149 transitions. [2018-12-09 19:27:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 19:27:40,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:40,355 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:40,355 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:40,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:40,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1085373225, now seen corresponding path program 1 times [2018-12-09 19:27:40,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:40,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:40,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:40,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:40,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:27:40,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:40,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:27:40,468 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-09 19:27:40,470 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [33], [35], [36], [39], [42], [44], [50], [54], [57], [58], [62], [63], [64], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [168], [171], [175], [181], [208], [209], [212], [216], [217], [221], [224], [226], [229], [236], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-12-09 19:27:40,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:27:40,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:27:41,683 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:27:41,683 INFO L272 AbstractInterpreter]: Visited 120 different actions 598 times. Merged at 17 different actions 52 times. Never widened. Performed 22930 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22930 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 19:27:41,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:41,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:27:41,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:41,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/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 19:27:41,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:41,702 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:27:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:41,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:27:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:27:41,906 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:27:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:27:42,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:27:42,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 19:27:42,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:42,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:27:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:27:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:27:42,244 INFO L87 Difference]: Start difference. First operand 2443 states and 3149 transitions. Second operand 8 states. [2018-12-09 19:27:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:42,473 INFO L93 Difference]: Finished difference Result 4678 states and 6104 transitions. [2018-12-09 19:27:42,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:27:42,474 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-09 19:27:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:42,480 INFO L225 Difference]: With dead ends: 4678 [2018-12-09 19:27:42,480 INFO L226 Difference]: Without dead ends: 2263 [2018-12-09 19:27:42,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:27:42,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2018-12-09 19:27:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2263. [2018-12-09 19:27:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2018-12-09 19:27:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2849 transitions. [2018-12-09 19:27:42,567 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2849 transitions. Word has length 150 [2018-12-09 19:27:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:42,568 INFO L480 AbstractCegarLoop]: Abstraction has 2263 states and 2849 transitions. [2018-12-09 19:27:42,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:27:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2849 transitions. [2018-12-09 19:27:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:27:42,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:42,572 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:42,572 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:42,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1159000215, now seen corresponding path program 1 times [2018-12-09 19:27:42,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:42,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:42,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:42,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:42,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:27:42,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:42,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:27:42,622 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-09 19:27:42,622 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [168], [171], [175], [181], [208], [209], [214], [216], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-09 19:27:42,624 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:27:42,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:27:43,093 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:27:43,093 INFO L272 AbstractInterpreter]: Visited 103 different actions 332 times. Merged at 14 different actions 21 times. Never widened. Performed 13290 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13290 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 134 variables. [2018-12-09 19:27:43,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:43,094 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:27:43,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:43,094 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/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 19:27:43,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:43,101 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:27:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:43,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:27:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:27:43,191 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:27:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:27:43,331 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:27:43,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-09 19:27:43,332 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:43,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:27:43,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:27:43,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:27:43,332 INFO L87 Difference]: Start difference. First operand 2263 states and 2849 transitions. Second operand 3 states. [2018-12-09 19:27:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:43,435 INFO L93 Difference]: Finished difference Result 4728 states and 6111 transitions. [2018-12-09 19:27:43,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:27:43,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2018-12-09 19:27:43,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:43,443 INFO L225 Difference]: With dead ends: 4728 [2018-12-09 19:27:43,443 INFO L226 Difference]: Without dead ends: 2809 [2018-12-09 19:27:43,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 310 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:27:43,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2018-12-09 19:27:43,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2773. [2018-12-09 19:27:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2018-12-09 19:27:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3416 transitions. [2018-12-09 19:27:43,532 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3416 transitions. Word has length 158 [2018-12-09 19:27:43,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:43,533 INFO L480 AbstractCegarLoop]: Abstraction has 2773 states and 3416 transitions. [2018-12-09 19:27:43,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:27:43,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3416 transitions. [2018-12-09 19:27:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 19:27:43,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:43,539 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 19:27:43,539 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:43,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:43,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1721181663, now seen corresponding path program 1 times [2018-12-09 19:27:43,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:43,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:43,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:43,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:43,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:43,624 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 19:27:43,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:43,625 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:27:43,625 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-09 19:27:43,625 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [171], [175], [181], [208], [209], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-09 19:27:43,627 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:27:43,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:27:44,298 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:27:44,298 INFO L272 AbstractInterpreter]: Visited 99 different actions 390 times. Merged at 13 different actions 32 times. Never widened. Performed 20055 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 134 variables. [2018-12-09 19:27:44,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:44,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:27:44,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:27:44,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:27:44,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:44,310 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:27:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:44,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:27:44,417 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 19:27:44,417 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:27:44,525 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 19:27:44,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:27:44,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 19:27:44,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:44,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:27:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:27:44,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:27:44,542 INFO L87 Difference]: Start difference. First operand 2773 states and 3416 transitions. Second operand 3 states. [2018-12-09 19:27:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:44,640 INFO L93 Difference]: Finished difference Result 4941 states and 6173 transitions. [2018-12-09 19:27:44,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:27:44,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-12-09 19:27:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:44,649 INFO L225 Difference]: With dead ends: 4941 [2018-12-09 19:27:44,650 INFO L226 Difference]: Without dead ends: 2512 [2018-12-09 19:27:44,655 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 19:27:44,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2018-12-09 19:27:44,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2333. [2018-12-09 19:27:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2333 states. [2018-12-09 19:27:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 2706 transitions. [2018-12-09 19:27:44,728 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 2706 transitions. Word has length 150 [2018-12-09 19:27:44,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:44,729 INFO L480 AbstractCegarLoop]: Abstraction has 2333 states and 2706 transitions. [2018-12-09 19:27:44,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:27:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2706 transitions. [2018-12-09 19:27:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 19:27:44,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:27:44,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:44,733 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:27:44,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:27:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2118493355, now seen corresponding path program 1 times [2018-12-09 19:27:44,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:27:44,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:44,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:27:44,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:27:44,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:27:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:27:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 19:27:44,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:27:44,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:27:44,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:27:44,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:27:44,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:27:44,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:27:44,769 INFO L87 Difference]: Start difference. First operand 2333 states and 2706 transitions. Second operand 3 states. [2018-12-09 19:27:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:27:44,813 INFO L93 Difference]: Finished difference Result 2713 states and 3166 transitions. [2018-12-09 19:27:44,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:27:44,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-09 19:27:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:27:44,814 INFO L225 Difference]: With dead ends: 2713 [2018-12-09 19:27:44,814 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:27:44,817 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 19:27:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:27:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:27:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:27:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:27:44,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-09 19:27:44,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:27:44,818 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:27:44,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:27:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:27:44,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:27:44,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:27:44,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:44,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:27:46,089 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2018-12-09 19:27:46,437 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2018-12-09 19:27:46,875 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2018-12-09 19:27:47,065 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-12-09 19:27:47,187 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2018-12-09 19:27:47,424 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2018-12-09 19:27:47,852 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-12-09 19:27:48,199 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2018-12-09 19:27:48,337 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2018-12-09 19:27:48,860 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2018-12-09 19:27:48,863 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2018-12-09 19:27:48,863 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-09 19:27:48,863 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2018-12-09 19:27:48,863 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2018-12-09 19:27:48,863 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2018-12-09 19:27:48,863 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,863 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2018-12-09 19:27:48,863 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2018-12-09 19:27:48,864 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,864 INFO L444 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,864 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2018-12-09 19:27:48,864 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2018-12-09 19:27:48,864 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-12-09 19:27:48,864 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,864 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,864 INFO L444 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= |old(~systemActive~0)| 0)) (.cse13 (= ~systemActive~0 0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= ~systemActive~0 1) .cse5)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse8 (= ~waterLevel~0 1)) (.cse10 (and (not .cse13) .cse5)) (.cse11 (not .cse9)) (.cse4 (or .cse12 .cse2)) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse3 .cse1) (or (or .cse0 (or .cse8 .cse9 .cse2)) .cse10) (or .cse7 .cse11 .cse12 .cse13 .cse6) (or .cse7 .cse5 .cse12 .cse6) (or .cse0 (or .cse7 .cse8 .cse9) .cse10) (or .cse11 .cse4 .cse13 .cse6)))) [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= ~systemActive~0 1) .cse10)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (= ~waterLevel~0 1)) (.cse8 (= |old(~systemActive~0)| 0)) (.cse9 (and (not (= ~systemActive~0 0)) .cse10))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2) .cse5) (or .cse0 .cse6 .cse3 .cse1) (or (or .cse0 (or .cse7 .cse8 .cse2)) .cse9) (or .cse6 .cse4 .cse5) (or .cse0 (or .cse6 .cse7 .cse8) .cse9)))) [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2018-12-09 19:27:48,865 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2018-12-09 19:27:48,865 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,866 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= ~waterLevel~0 1)) (.cse6 (= ~systemActive~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse3 .cse4) .cse2) (or .cse0 (or .cse1 .cse5 .cse6) .cse2) (or (or .cse0 (or .cse5 .cse6 .cse4)) .cse2))) [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse6 .cse2 .cse4) (or .cse6 .cse5 .cse2))) [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-12-09 19:27:48,866 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2018-12-09 19:27:48,866 INFO L444 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or .cse4 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse5) .cse1))) [2018-12-09 19:27:48,866 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse5 .cse2 .cse4) .cse1))) [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2018-12-09 19:27:48,867 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,867 INFO L444 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse4 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3 .cse5))) [2018-12-09 19:27:48,867 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (and .cse6 .cse0 .cse3) .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3 .cse4))) [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-12-09 19:27:48,867 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L444 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:27:48,868 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse4 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse7 .cse8 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse8 .cse4))) [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L444 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse0 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse0 .cse3 .cse4))) [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2018-12-09 19:27:48,868 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse8 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse9)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or .cse8 (< 0 ~waterLevel~0) .cse6 .cse5 .cse7 .cse1) (or .cse8 .cse0 .cse9 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-09 19:27:48,869 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (or .cse1 .cse3)) (or .cse1 .cse3 .cse4) (or .cse2 (or .cse1 .cse4)) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse3 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~pumpRunning~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse2 .cse8 .cse9) (or .cse3 (or .cse2 .cse9)) (or .cse6 .cse8 .cse9)))) [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse8 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse9)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or .cse8 (< 0 ~waterLevel~0) .cse6 .cse5 .cse7 .cse1) (or .cse8 .cse0 .cse9 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:27:48,869 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L451 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (<= 1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse5) (or .cse8 .cse7 .cse1 .cse2 .cse3) (or .cse0 .cse6 .cse5 .cse3 .cse4) (or .cse7 .cse1 .cse5 .cse3 .cse8))) [2018-12-09 19:27:48,870 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 19:27:48,870 INFO L444 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~systemActive~0 0))) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse14 (<= ~waterLevel~0 0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse3 .cse5) .cse7) (or .cse0 .cse1 .cse3 .cse5 (and .cse7 .cse8)) (or .cse0 .cse9 .cse1 .cse3 .cse10 .cse5) (or .cse11 (or .cse1 .cse12)) (or .cse9 .cse1 (and .cse10 .cse7 .cse8) .cse3 .cse5 .cse12) (or .cse6 .cse13 .cse0 .cse3 .cse5 .cse14) (or .cse1 (and .cse2 .cse7 .cse8) .cse3 .cse4 .cse5 .cse12) (or .cse13 .cse0 .cse1 .cse3 .cse5 .cse14) (or .cse8 (or .cse6 .cse3 .cse12)) (or .cse13 .cse1 .cse14 .cse3 .cse5 .cse12) (or .cse0 .cse1 .cse11) (or .cse6 .cse13 .cse3 .cse5 .cse12 (and .cse14 .cse7)) (or .cse8 (or .cse6 .cse0 .cse3))))) [2018-12-09 19:27:48,871 INFO L444 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse15 (<= ~waterLevel~0 0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse13 (< |old(~pumpRunning~0)| 1)) (.cse16 (= 0 ~pumpRunning~0)) (.cse14 (< 0 |old(~waterLevel~0)|)) (.cse17 (and .cse15 .cse5)) (.cse9 (not (= ~systemActive~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 1 ~waterLevel~0) .cse4)) (.cse6 (not (= ~systemActive~0 1))) (.cse10 (not .cse12)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse1 .cse9 .cse10 .cse7 .cse11) (or .cse12 .cse1 .cse3 .cse6 .cse7 .cse11) (or .cse9 .cse5 (or .cse1 .cse11)) (or .cse0 .cse8 .cse1 .cse9 .cse10 .cse7) (or .cse13 .cse14 .cse0 .cse6 .cse7 .cse15) (or .cse14 .cse1 .cse9 .cse7 .cse11 .cse15) (or .cse3 .cse9 (or .cse12 .cse1 .cse11)) (or .cse1 .cse5 .cse6 .cse7 .cse11 (and .cse2 .cse3)) (or .cse14 .cse0 .cse1 .cse9 .cse15 .cse7) (or .cse0 .cse1 .cse9 .cse5) (or (or .cse13 .cse0 .cse6) .cse16) (or .cse14 .cse1 .cse6 .cse17 .cse7 .cse11) (or .cse5 .cse16 (or .cse13 .cse6 .cse11)) (or .cse13 .cse14 (and .cse16 .cse15) .cse6 .cse7 .cse11 (and .cse15 .cse4)) (or .cse14 .cse0 .cse1 .cse17 .cse6 .cse7) (or .cse0 .cse12 .cse1 .cse9 .cse3) (or .cse0 .cse12 .cse1 .cse3 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse6 .cse10 .cse7) (or .cse1 .cse8 .cse6 .cse10 .cse7 .cse11)))) [2018-12-09 19:27:48,871 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse5 (< 0 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 0)) (.cse10 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse2 .cse3) (or (or .cse4 .cse7 .cse1 .cse2) .cse8) (or .cse9 (or .cse4 .cse1 .cse3)) (or .cse4 .cse5 .cse7 .cse6 .cse1 .cse2) (or .cse10 (or .cse0 .cse3)) (or .cse7 .cse0 .cse10) (or .cse7 .cse0 .cse1 .cse2) (or (or .cse4 .cse1 .cse2 .cse3) .cse8) (or .cse9 (or .cse4 .cse7 .cse1)))) [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2018-12-09 19:27:48,871 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse10)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse14 (<= ~waterLevel~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 0))) (.cse11 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse5) (or (or .cse8 .cse0 .cse3 .cse5) .cse6) (or .cse0 .cse1 .cse3 .cse5 (and .cse6 .cse9)) (or .cse0 .cse10 .cse1 .cse3 .cse11 .cse5) (or (and .cse2 .cse6) .cse1 .cse7 .cse4 .cse5 .cse12) (or .cse7 .cse9 (or .cse1 .cse12)) (or .cse10 .cse1 (and .cse11 .cse6 .cse9) .cse3 .cse5 .cse12) (or .cse8 .cse13 .cse0 .cse3 .cse5 .cse14) (or .cse0 .cse2 .cse1 .cse7 .cse4 .cse5) (or .cse1 (and .cse2 .cse6 .cse9) .cse3 .cse4 .cse5 .cse12) (or .cse8 .cse13 .cse3 .cse5 .cse12 .cse14) (or .cse13 .cse1 .cse7 (and .cse14 .cse6) .cse5 .cse12) (or .cse11 .cse7 (or .cse10 .cse1 .cse12)) (or .cse13 .cse0 .cse1 .cse7 .cse14 .cse5) (or .cse0 .cse1 .cse7 .cse9) (or .cse13 .cse0 .cse1 .cse3 .cse5 .cse14) (or .cse9 (or .cse8 .cse3 .cse12)) (or .cse13 .cse1 .cse14 .cse3 .cse5 .cse12) (or .cse6 (or .cse8 .cse3 .cse5 .cse12)) (or .cse0 .cse10 .cse1 .cse7 .cse11) (or .cse9 (or .cse8 .cse0 .cse3))))) [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-09 19:27:48,871 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-12-09 19:27:48,871 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-12-09 19:27:48,871 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1) .cse3 .cse2 .cse4))) [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:27:48,872 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 19:27:48,872 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:27:48,872 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:27:48,872 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) .cse1))) [2018-12-09 19:27:48,873 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse4 .cse1))) [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L444 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse5 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse1 .cse3))) [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4))) [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4) .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse5 .cse3) (or .cse0 .cse6 (or .cse3 .cse7) .cse5 .cse2) (or (< ~pumpRunning~0 1) .cse0 (or .cse4 .cse7) .cse2 .cse5) (or .cse3 .cse8 .cse4 .cse9 .cse5 .cse7) (or .cse8 .cse3 .cse6 .cse9 .cse5 .cse7) (or .cse1 .cse8 .cse3 .cse6 .cse9 .cse5) (or .cse1 .cse3 .cse8 .cse4 .cse9 .cse5) (or .cse0 .cse2 (or .cse3 .cse4 .cse7) .cse5))) [2018-12-09 19:27:48,873 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2018-12-09 19:27:48,873 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2018-12-09 19:27:48,874 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-12-09 19:27:48,874 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2018-12-09 19:27:48,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:27:48 BoogieIcfgContainer [2018-12-09 19:27:48,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:27:48,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:27:48,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:27:48,886 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:27:48,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:27:38" (3/4) ... [2018-12-09 19:27:48,890 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:27:48,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:27:48,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:27:48,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:27:48,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:27:48,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:27:48,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:27:48,902 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 19:27:48,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:27:48,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:27:48,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:27:48,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:27:48,904 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:27:48,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-09 19:27:48,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:27:48,947 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dfac8a85-c8f9-4b67-845f-25ec2ecf65fd/bin-2019/utaipan/witness.graphml [2018-12-09 19:27:48,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:27:48,948 INFO L168 Benchmark]: Toolchain (without parser) took 11300.80 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 703.1 MB). Free memory was 948.1 MB in the beginning and 1.2 GB in the end (delta: -286.0 MB). Peak memory consumption was 417.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,948 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:27:48,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 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 19:27:48,948 INFO L168 Benchmark]: Boogie Preprocessor took 21.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,949 INFO L168 Benchmark]: RCFGBuilder took 289.44 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,949 INFO L168 Benchmark]: TraceAbstraction took 10622.51 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 609.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.6 MB). Peak memory consumption was 729.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,949 INFO L168 Benchmark]: Witness Printer took 61.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 184.4 kB). Peak memory consumption was 184.4 kB. Max. memory is 11.5 GB. [2018-12-09 19:27:48,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.16 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 21.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 289.44 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10622.51 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 609.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.6 MB). Peak memory consumption was 729.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 184.4 kB). Peak memory consumption was 184.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2371 SDtfs, 1056 SDslu, 4459 SDs, 0 SdLazy, 1138 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1024 GetRequests, 935 SyntacticMatches, 13 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2773occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 528 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 5281 PreInvPairs, 5461 NumberOfFragments, 4442 HoareAnnotationTreeSize, 5281 FomulaSimplifications, 7031 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 16411 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1719 NumberOfCodeBlocks, 1719 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2158 ConstructedInterpolants, 0 QuantifiedInterpolants, 405950 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2685 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 483/513 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...