./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_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_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:02:44,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:02:44,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:02:44,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:02:44,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:02:44,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:02:44,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:02:44,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:02:44,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:02:44,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:02:44,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:02:44,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:02:44,272 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:02:44,273 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:02:44,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:02:44,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:02:44,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:02:44,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:02:44,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:02:44,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:02:44,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:02:44,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:02:44,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:02:44,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:02:44,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:02:44,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:02:44,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:02:44,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:02:44,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:02:44,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:02:44,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:02:44,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:02:44,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:02:44,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:02:44,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:02:44,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:02:44,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 22:02:44,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:02:44,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:02:44,292 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:02:44,292 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 22:02:44,293 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 22:02:44,293 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 22:02:44,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:02:44,294 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:02:44,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 22:02:44,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:02:44,295 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:02:44,296 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:02:44,296 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 22:02:44,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:02:44,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:02:44,296 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 22:02:44,296 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_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2018-12-02 22:02:44,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:02:44,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:02:44,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:02:44,326 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:02:44,327 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:02:44,327 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-02 22:02:44,364 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/data/7228703f7/114a3d0a86ab498e8fcc9870177bf881/FLAGb75d01235 [2018-12-02 22:02:44,806 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:02:44,807 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-02 22:02:44,813 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/data/7228703f7/114a3d0a86ab498e8fcc9870177bf881/FLAGb75d01235 [2018-12-02 22:02:44,820 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/data/7228703f7/114a3d0a86ab498e8fcc9870177bf881 [2018-12-02 22:02:44,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:02:44,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:02:44,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:02:44,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:02:44,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:02:44,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:44" (1/1) ... [2018-12-02 22:02:44,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:44, skipping insertion in model container [2018-12-02 22:02:44,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:44" (1/1) ... [2018-12-02 22:02:44,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:02:44,851 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:02:44,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:02:45,006 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:02:45,081 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:02:45,097 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:02:45,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45 WrapperNode [2018-12-02 22:02:45,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:02:45,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:02:45,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:02:45,098 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:02:45,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:02:45,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:02:45,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:02:45,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:02:45,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... [2018-12-02 22:02:45,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:02:45,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:02:45,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:02:45,141 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:02:45,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/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 [2018-12-02 22:02:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 22:02:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 22:02:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 22:02:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 22:02:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 22:02:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 22:02:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 22:02:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 22:02:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 22:02:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 22:02:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 22:02:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 22:02:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:02:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:02:45,458 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:02:45,459 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 22:02:45,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:45 BoogieIcfgContainer [2018-12-02 22:02:45,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:02:45,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 22:02:45,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 22:02:45,461 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 22:02:45,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:02:44" (1/3) ... [2018-12-02 22:02:45,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da8ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:02:45, skipping insertion in model container [2018-12-02 22:02:45,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:45" (2/3) ... [2018-12-02 22:02:45,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da8ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:02:45, skipping insertion in model container [2018-12-02 22:02:45,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:45" (3/3) ... [2018-12-02 22:02:45,464 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-02 22:02:45,470 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 22:02:45,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 22:02:45,485 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 22:02:45,504 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 22:02:45,505 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 22:02:45,505 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 22:02:45,505 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 22:02:45,505 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 22:02:45,505 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 22:02:45,505 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 22:02:45,505 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 22:02:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-12-02 22:02:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 22:02:45,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:45,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:45,525 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:45,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:45,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2014577701, now seen corresponding path program 1 times [2018-12-02 22:02:45,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:45,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:45,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:02:45,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:45,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 22:02:45,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:45,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 22:02:45,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 22:02:45,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 22:02:45,682 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-12-02 22:02:45,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:45,706 INFO L93 Difference]: Finished difference Result 286 states and 357 transitions. [2018-12-02 22:02:45,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 22:02:45,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 22:02:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:45,714 INFO L225 Difference]: With dead ends: 286 [2018-12-02 22:02:45,714 INFO L226 Difference]: Without dead ends: 145 [2018-12-02 22:02:45,717 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 [2018-12-02 22:02:45,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-02 22:02:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-02 22:02:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-02 22:02:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-12-02 22:02:45,749 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 51 [2018-12-02 22:02:45,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:45,749 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-12-02 22:02:45,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 22:02:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-12-02 22:02:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 22:02:45,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:45,751 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] [2018-12-02 22:02:45,751 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:45,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:45,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1805316760, now seen corresponding path program 1 times [2018-12-02 22:02:45,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:45,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:45,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:02:45,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:45,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:02:45,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:45,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:02:45,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:02:45,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:02:45,809 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 3 states. [2018-12-02 22:02:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:45,827 INFO L93 Difference]: Finished difference Result 225 states and 267 transitions. [2018-12-02 22:02:45,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:02:45,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 22:02:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:45,829 INFO L225 Difference]: With dead ends: 225 [2018-12-02 22:02:45,829 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 22:02:45,830 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 [2018-12-02 22:02:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 22:02:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-02 22:02:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-02 22:02:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2018-12-02 22:02:45,840 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 52 [2018-12-02 22:02:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:45,840 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2018-12-02 22:02:45,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:02:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2018-12-02 22:02:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 22:02:45,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:45,842 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:45,842 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:45,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:45,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1269846208, now seen corresponding path program 1 times [2018-12-02 22:02:45,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:45,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:45,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:45,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:02:45,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:45,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:02:45,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:45,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:02:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:02:45,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:02:45,915 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 7 states. [2018-12-02 22:02:46,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:46,206 INFO L93 Difference]: Finished difference Result 403 states and 494 transitions. [2018-12-02 22:02:46,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 22:02:46,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 22:02:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:46,208 INFO L225 Difference]: With dead ends: 403 [2018-12-02 22:02:46,209 INFO L226 Difference]: Without dead ends: 295 [2018-12-02 22:02:46,209 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 [2018-12-02 22:02:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-12-02 22:02:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 283. [2018-12-02 22:02:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-12-02 22:02:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2018-12-02 22:02:46,233 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 57 [2018-12-02 22:02:46,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:46,233 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2018-12-02 22:02:46,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:02:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2018-12-02 22:02:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 22:02:46,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:46,235 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] [2018-12-02 22:02:46,235 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:46,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:46,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1395939551, now seen corresponding path program 1 times [2018-12-02 22:02:46,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:46,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:46,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:02:46,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:46,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:02:46,311 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:46,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:02:46,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:02:46,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:02:46,312 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand 6 states. [2018-12-02 22:02:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:46,451 INFO L93 Difference]: Finished difference Result 775 states and 972 transitions. [2018-12-02 22:02:46,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:02:46,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 22:02:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:46,454 INFO L225 Difference]: With dead ends: 775 [2018-12-02 22:02:46,454 INFO L226 Difference]: Without dead ends: 520 [2018-12-02 22:02:46,455 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 [2018-12-02 22:02:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-12-02 22:02:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 514. [2018-12-02 22:02:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-12-02 22:02:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 632 transitions. [2018-12-02 22:02:46,482 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 632 transitions. Word has length 62 [2018-12-02 22:02:46,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:46,483 INFO L480 AbstractCegarLoop]: Abstraction has 514 states and 632 transitions. [2018-12-02 22:02:46,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:02:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 632 transitions. [2018-12-02 22:02:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 22:02:46,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:46,485 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] [2018-12-02 22:02:46,485 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:46,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:46,485 INFO L82 PathProgramCache]: Analyzing trace with hash -428736037, now seen corresponding path program 1 times [2018-12-02 22:02:46,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:46,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:46,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:02:46,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:46,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:02:46,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:46,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:02:46,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:02:46,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:02:46,540 INFO L87 Difference]: Start difference. First operand 514 states and 632 transitions. Second operand 7 states. [2018-12-02 22:02:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:46,908 INFO L93 Difference]: Finished difference Result 1355 states and 1778 transitions. [2018-12-02 22:02:46,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 22:02:46,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 22:02:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:46,911 INFO L225 Difference]: With dead ends: 1355 [2018-12-02 22:02:46,912 INFO L226 Difference]: Without dead ends: 869 [2018-12-02 22:02:46,913 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 [2018-12-02 22:02:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-12-02 22:02:46,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 771. [2018-12-02 22:02:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-02 22:02:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 935 transitions. [2018-12-02 22:02:46,961 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 935 transitions. Word has length 66 [2018-12-02 22:02:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:46,962 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 935 transitions. [2018-12-02 22:02:46,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:02:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-02 22:02:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 22:02:46,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:46,964 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:46,964 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:46,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:46,965 INFO L82 PathProgramCache]: Analyzing trace with hash 170619660, now seen corresponding path program 1 times [2018-12-02 22:02:46,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:46,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:46,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:46,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:02:47,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:47,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:02:47,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:47,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:02:47,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:02:47,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:02:47,019 INFO L87 Difference]: Start difference. First operand 771 states and 935 transitions. Second operand 6 states. [2018-12-02 22:02:47,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:47,073 INFO L93 Difference]: Finished difference Result 1542 states and 1930 transitions. [2018-12-02 22:02:47,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 22:02:47,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-02 22:02:47,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:47,077 INFO L225 Difference]: With dead ends: 1542 [2018-12-02 22:02:47,077 INFO L226 Difference]: Without dead ends: 799 [2018-12-02 22:02:47,079 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 [2018-12-02 22:02:47,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-12-02 22:02:47,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 791. [2018-12-02 22:02:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-02 22:02:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-02 22:02:47,107 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 104 [2018-12-02 22:02:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:47,108 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-02 22:02:47,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:02:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-02 22:02:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 22:02:47,109 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:47,109 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:47,110 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:47,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:47,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2098892362, now seen corresponding path program 1 times [2018-12-02 22:02:47,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:47,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:47,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:02:47,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:47,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 22:02:47,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:47,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 22:02:47,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 22:02:47,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:02:47,160 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 8 states. [2018-12-02 22:02:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:47,215 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-12-02 22:02:47,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:02:47,216 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-02 22:02:47,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:47,219 INFO L225 Difference]: With dead ends: 1582 [2018-12-02 22:02:47,219 INFO L226 Difference]: Without dead ends: 819 [2018-12-02 22:02:47,221 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 [2018-12-02 22:02:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-02 22:02:47,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-12-02 22:02:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-12-02 22:02:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 971 transitions. [2018-12-02 22:02:47,248 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 971 transitions. Word has length 104 [2018-12-02 22:02:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:47,249 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 971 transitions. [2018-12-02 22:02:47,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 22:02:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 971 transitions. [2018-12-02 22:02:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 22:02:47,250 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:47,250 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:47,250 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:47,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1858352233, now seen corresponding path program 1 times [2018-12-02 22:02:47,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:47,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:47,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:02:47,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:47,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:02:47,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:47,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:02:47,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:02:47,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:02:47,315 INFO L87 Difference]: Start difference. First operand 807 states and 971 transitions. Second operand 4 states. [2018-12-02 22:02:47,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:47,471 INFO L93 Difference]: Finished difference Result 2553 states and 3222 transitions. [2018-12-02 22:02:47,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:02:47,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-02 22:02:47,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:47,476 INFO L225 Difference]: With dead ends: 2553 [2018-12-02 22:02:47,477 INFO L226 Difference]: Without dead ends: 1774 [2018-12-02 22:02:47,478 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 [2018-12-02 22:02:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-12-02 22:02:47,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-12-02 22:02:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-12-02 22:02:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-12-02 22:02:47,535 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 104 [2018-12-02 22:02:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:47,535 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-12-02 22:02:47,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:02:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-12-02 22:02:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 22:02:47,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:47,538 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:47,538 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:47,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:47,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1251545123, now seen corresponding path program 1 times [2018-12-02 22:02:47,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:47,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:47,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:47,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:02:47,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:02:47,631 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:02:47,632 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-02 22:02:47,633 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [228], [232], [239], [240], [248], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [284], [285], [286], [288], [289], [296], [297], [298], [299], [300], [301], [306], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [328], [329], [330], [332], [333], [334] [2018-12-02 22:02:47,666 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:02:47,666 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:02:48,082 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 22:02:48,083 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-02 22:02:48,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:48,088 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 22:02:48,281 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-02 22:02:48,282 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 22:02:48,436 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-02 22:02:48,436 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 22:02:48,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:02:48,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-02 22:02:48,436 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:48,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-02 22:02:48,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-02 22:02:48,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-02 22:02:48,437 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 22 states. [2018-12-02 22:02:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:53,922 INFO L93 Difference]: Finished difference Result 4350 states and 5398 transitions. [2018-12-02 22:02:53,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 22:02:53,922 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2018-12-02 22:02:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:53,928 INFO L225 Difference]: With dead ends: 4350 [2018-12-02 22:02:53,928 INFO L226 Difference]: Without dead ends: 2635 [2018-12-02 22:02:53,931 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=1993, Unknown=0, NotChecked=0, Total=2256 [2018-12-02 22:02:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2018-12-02 22:02:53,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2618. [2018-12-02 22:02:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2618 states. [2018-12-02 22:02:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3145 transitions. [2018-12-02 22:02:53,999 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3145 transitions. Word has length 108 [2018-12-02 22:02:54,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:54,000 INFO L480 AbstractCegarLoop]: Abstraction has 2618 states and 3145 transitions. [2018-12-02 22:02:54,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-02 22:02:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3145 transitions. [2018-12-02 22:02:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 22:02:54,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:54,004 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:02:54,004 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:54,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:54,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1260573413, now seen corresponding path program 1 times [2018-12-02 22:02:54,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:54,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:54,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:54,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:54,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 22:02:54,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:02:54,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:02:54,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:54,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:02:54,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:02:54,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:02:54,044 INFO L87 Difference]: Start difference. First operand 2618 states and 3145 transitions. Second operand 4 states. [2018-12-02 22:02:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:02:54,176 INFO L93 Difference]: Finished difference Result 4205 states and 5061 transitions. [2018-12-02 22:02:54,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:02:54,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2018-12-02 22:02:54,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:02:54,180 INFO L225 Difference]: With dead ends: 4205 [2018-12-02 22:02:54,180 INFO L226 Difference]: Without dead ends: 1676 [2018-12-02 22:02:54,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:02:54,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2018-12-02 22:02:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1626. [2018-12-02 22:02:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2018-12-02 22:02:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 1913 transitions. [2018-12-02 22:02:54,228 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 1913 transitions. Word has length 180 [2018-12-02 22:02:54,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:02:54,228 INFO L480 AbstractCegarLoop]: Abstraction has 1626 states and 1913 transitions. [2018-12-02 22:02:54,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:02:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1913 transitions. [2018-12-02 22:02:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 22:02:54,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:02:54,231 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 22:02:54,231 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:02:54,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:54,232 INFO L82 PathProgramCache]: Analyzing trace with hash -41412596, now seen corresponding path program 1 times [2018-12-02 22:02:54,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:02:54,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:54,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:02:54,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:02:54,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:02:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:02:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 22:02:54,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:02:54,297 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:02:54,297 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-12-02 22:02:54,297 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [115], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [228], [232], [238], [239], [240], [248], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [284], [285], [286], [288], [289], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [328], [329], [330], [331], [332], [333], [334] [2018-12-02 22:02:54,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:02:54,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:02:54,758 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 22:02:54,758 INFO L272 AbstractInterpreter]: Visited 110 different actions 190 times. Merged at 9 different actions 14 times. Never widened. Performed 10481 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10481 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 135 variables. [2018-12-02 22:02:54,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:02:54,761 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 22:02:55,087 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 96.89% of their original sizes. [2018-12-02 22:02:55,087 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 22:02:55,526 INFO L418 sIntCurrentIteration]: We unified 178 AI predicates to 178 [2018-12-02 22:02:55,526 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 22:02:55,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:02:55,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [44] imperfect sequences [5] total 47 [2018-12-02 22:02:55,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:02:55,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-12-02 22:02:55,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-12-02 22:02:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1715, Unknown=0, NotChecked=0, Total=1892 [2018-12-02 22:02:55,527 INFO L87 Difference]: Start difference. First operand 1626 states and 1913 transitions. Second operand 44 states. [2018-12-02 22:03:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:03:12,714 INFO L93 Difference]: Finished difference Result 5194 states and 6627 transitions. [2018-12-02 22:03:12,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-02 22:03:12,714 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 179 [2018-12-02 22:03:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:03:12,726 INFO L225 Difference]: With dead ends: 5194 [2018-12-02 22:03:12,726 INFO L226 Difference]: Without dead ends: 4198 [2018-12-02 22:03:12,731 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2069 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=742, Invalid=7268, Unknown=0, NotChecked=0, Total=8010 [2018-12-02 22:03:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2018-12-02 22:03:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 3773. [2018-12-02 22:03:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3773 states. [2018-12-02 22:03:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 4560 transitions. [2018-12-02 22:03:12,898 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 4560 transitions. Word has length 179 [2018-12-02 22:03:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:03:12,898 INFO L480 AbstractCegarLoop]: Abstraction has 3773 states and 4560 transitions. [2018-12-02 22:03:12,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-12-02 22:03:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 4560 transitions. [2018-12-02 22:03:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 22:03:12,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:03:12,903 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:03:12,903 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:03:12,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:03:12,903 INFO L82 PathProgramCache]: Analyzing trace with hash 799790300, now seen corresponding path program 1 times [2018-12-02 22:03:12,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:03:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:03:12,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:03:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:03:12,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:03:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:03:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 22:03:13,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:03:13,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:03:13,008 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-12-02 22:03:13,008 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [42], [44], [45], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [123], [126], [129], [137], [138], [139], [141], [144], [146], [149], [152], [155], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [225], [228], [232], [235], [238], [239], [240], [243], [247], [248], [252], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [280], [281], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334] [2018-12-02 22:03:13,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:03:13,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:03:15,222 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 22:03:15,222 INFO L272 AbstractInterpreter]: Visited 142 different actions 1748 times. Merged at 28 different actions 240 times. Widened at 1 different actions 2 times. Performed 72482 root evaluator evaluations with a maximum evaluation depth of 3. Performed 72482 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 78 fixpoints after 9 different actions. Largest state had 135 variables. [2018-12-02 22:03:15,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:03:15,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 22:03:15,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:03:15,226 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/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 [2018-12-02 22:03:15,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:03:15,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 22:03:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:03:15,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:03:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 22:03:15,448 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 22:03:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 22:03:16,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 22:03:16,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 22:03:16,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:03:16,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 22:03:16,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 22:03:16,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 22:03:16,071 INFO L87 Difference]: Start difference. First operand 3773 states and 4560 transitions. Second operand 8 states. [2018-12-02 22:03:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:03:16,292 INFO L93 Difference]: Finished difference Result 6677 states and 8136 transitions. [2018-12-02 22:03:16,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:03:16,293 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2018-12-02 22:03:16,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:03:16,300 INFO L225 Difference]: With dead ends: 6677 [2018-12-02 22:03:16,300 INFO L226 Difference]: Without dead ends: 3523 [2018-12-02 22:03:16,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 380 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 22:03:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3523 states. [2018-12-02 22:03:16,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3523 to 3427. [2018-12-02 22:03:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3427 states. [2018-12-02 22:03:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 4070 transitions. [2018-12-02 22:03:16,422 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 4070 transitions. Word has length 199 [2018-12-02 22:03:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:03:16,422 INFO L480 AbstractCegarLoop]: Abstraction has 3427 states and 4070 transitions. [2018-12-02 22:03:16,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 22:03:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 4070 transitions. [2018-12-02 22:03:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 22:03:16,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:03:16,426 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:03:16,428 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:03:16,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:03:16,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1512338418, now seen corresponding path program 1 times [2018-12-02 22:03:16,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:03:16,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:03:16,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:03:16,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:03:16,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:03:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:03:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 22:03:16,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:03:16,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:03:16,548 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 22:03:16,548 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [155], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [225], [228], [232], [238], [239], [240], [243], [247], [248], [256], [258], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [280], [281], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334] [2018-12-02 22:03:16,550 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:03:16,550 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:03:17,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 22:03:17,854 INFO L272 AbstractInterpreter]: Visited 131 different actions 1389 times. Merged at 25 different actions 150 times. Widened at 1 different actions 1 times. Performed 43432 root evaluator evaluations with a maximum evaluation depth of 3. Performed 43432 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 42 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-02 22:03:17,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:03:17,856 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 22:03:17,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:03:17,856 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/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 [2018-12-02 22:03:17,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:03:17,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 22:03:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:03:17,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:03:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-02 22:03:18,044 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 22:03:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 22:03:18,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 22:03:18,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 22:03:18,387 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:03:18,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 22:03:18,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 22:03:18,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 22:03:18,388 INFO L87 Difference]: Start difference. First operand 3427 states and 4070 transitions. Second operand 8 states. [2018-12-02 22:03:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:03:18,586 INFO L93 Difference]: Finished difference Result 4122 states and 4861 transitions. [2018-12-02 22:03:18,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:03:18,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-02 22:03:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:03:18,587 INFO L225 Difference]: With dead ends: 4122 [2018-12-02 22:03:18,587 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 22:03:18,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 430 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 22:03:18,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 22:03:18,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 22:03:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 22:03:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 22:03:18,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-02 22:03:18,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:03:18,592 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 22:03:18,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 22:03:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 22:03:18,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:03:18,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 22:03:18,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:18,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:03:19,742 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2018-12-02 22:03:19,867 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2018-12-02 22:03:20,012 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2018-12-02 22:03:20,262 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 32 [2018-12-02 22:03:20,564 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2018-12-02 22:03:20,858 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 42 [2018-12-02 22:03:21,696 WARN L180 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-12-02 22:03:22,174 WARN L180 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 61 [2018-12-02 22:03:22,315 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-12-02 22:03:22,816 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2018-12-02 22:03:23,469 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2018-12-02 22:03:23,761 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2018-12-02 22:03:23,930 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-12-02 22:03:24,053 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 40 [2018-12-02 22:03:24,236 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 41 [2018-12-02 22:03:24,492 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-12-02 22:03:24,675 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-12-02 22:03:24,964 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2018-12-02 22:03:25,206 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-12-02 22:03:25,980 WARN L180 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 33 [2018-12-02 22:03:26,324 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2018-12-02 22:03:26,504 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2018-12-02 22:03:26,929 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 55 [2018-12-02 22:03:26,932 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-02 22:03:26,932 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-02 22:03:26,932 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-02 22:03:26,932 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-02 22:03:26,932 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-02 22:03:26,932 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,932 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2018-12-02 22:03:26,932 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,932 INFO L444 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 963 985) no Hoare annotation was computed. [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0)) .cse2) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (and (or .cse1 .cse2) (or .cse3 .cse1)) .cse4) (or .cse0 .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse0 .cse4 .cse1 .cse5) (or .cse4 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2))) [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)) .cse0))) [2018-12-02 22:03:26,933 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (or .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse4)))) [2018-12-02 22:03:26,933 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)) .cse0))) [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1)))) (or (and (or .cse1 .cse2) (or .cse3 .cse1)) (not (= 0 |old(~pumpRunning~0)|))))) [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= |old(~systemActive~0)| 1)) (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1))) (and (= ~systemActive~0 1) .cse4)) (or (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse1 .cse2) (or .cse3 .cse1))) .cse4))) [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 451 465) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 387 395) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-02 22:03:26,934 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-02 22:03:26,934 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,934 INFO L444 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2018-12-02 22:03:26,935 INFO L451 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 376 386) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (or (or (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 368 375) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2))) .cse5) (or (not (= 0 |old(~pumpRunning~0)|)) .cse5 (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-02 22:03:26,935 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2018-12-02 22:03:26,935 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse2))))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1)))) [2018-12-02 22:03:26,935 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse0 .cse1) (or .cse2 .cse5 .cse0))))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse0 .cse1) (or .cse2 .cse0)) .cse3) (or (< ~methaneLevelCritical~0 1) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3 .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 .cse4)))) [2018-12-02 22:03:26,935 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-12-02 22:03:26,936 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (or (and (not (= ~systemActive~0 0)) (let ((.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3))) .cse4) (and (and (= 0 ~pumpRunning~0) .cse4) (or (and .cse0 .cse3) (and .cse0 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,936 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse5 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse1 .cse2 (= ~pumpRunning~0 1) .cse5 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse3 .cse6 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-12-02 22:03:26,936 INFO L444 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0))) (let ((.cse2 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (or (and .cse4 (= ~methaneLevelCritical~0 1)) (and .cse4 (= ~methaneLevelCritical~0 0)))) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~methaneLevelCritical~0) (and .cse4 (= ~pumpRunning~0 1)) .cse2 .cse3) (and (= ~systemActive~0 0) .cse0 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0))) (let ((.cse2 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (or (and .cse4 (= ~methaneLevelCritical~0 1)) (and .cse4 (= ~methaneLevelCritical~0 0)))) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~methaneLevelCritical~0) (and .cse4 (= ~pumpRunning~0 1)) .cse2 .cse3) (and (= ~systemActive~0 0) .cse0 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (or (and (let ((.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3))) (= ~systemActive~0 1) .cse4) (and (and (= 0 ~pumpRunning~0) .cse4) (or (and .cse0 .cse3) (and .cse0 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (or (and .cse4 .cse7) (and .cse4 .cse5))) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (let ((.cse6 (= ~pumpRunning~0 1))) (or (and .cse4 .cse5 .cse6) (and .cse4 .cse6 .cse7))) .cse2 .cse3) (and (= ~systemActive~0 0) .cse0 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (not (= ~methAndRunningLastTime~0 0))) [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 343 350) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (and (or .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= ~systemActive~0 0)) .cse1) (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse3) .cse4)))) [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-12-02 22:03:26,937 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse0) (or .cse4 (not (= ~systemActive~0 0)) .cse3 .cse5)))) [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse9)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (and (or .cse6 .cse3) (or (not .cse8) .cse6))) (.cse4 (let ((.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse7 .cse8) (and .cse7 .cse9))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse3 (or .cse0 .cse5 .cse6)) (or .cse5 (or (not (= 1 ~pumpRunning~0)) .cse6) .cse3) (or .cse0 .cse1 .cse2 .cse4))))) [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse0) (or .cse4 (not (= ~systemActive~0 0)) .cse3 .cse5)))) [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= ~waterLevel~0 1)) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 477 484) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (let ((.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse4)))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 22:03:26,938 INFO L448 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2018-12-02 22:03:26,938 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L451 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 432 450) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse14 (= ~methAndRunningLastTime~0 0))) (let ((.cse10 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not .cse14)) (.cse5 (= ~methaneLevelCritical~0 1))) (let ((.cse4 (not (= ~waterLevel~0 2))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse11 (or (and .cse14 .cse5) (and .cse14 (= ~methaneLevelCritical~0 0)))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse12 (and (or .cse3 .cse10) (or .cse1 .cse3))) (.cse13 (not (= ~waterLevel~0 1))) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) .cse5) (or (or .cse6 (or .cse2 .cse0 .cse3)) .cse7) (or .cse5 (or .cse1 .cse2 .cse8 .cse3 .cse4)) (or .cse9 (or .cse2 .cse0 .cse3 .cse10)) (or .cse7 (or .cse6 (or .cse2 .cse8 .cse3))) (or .cse11 (or .cse2 .cse12 .cse8 .cse13)) (or .cse9 (or .cse2 .cse12 .cse8 .cse10)) (or .cse11 (or .cse2 .cse0 .cse12 .cse13)) (or .cse9 (or (not (= 1 ~pumpRunning~0)) .cse8 .cse3 .cse10)))))) [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L451 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2018-12-02 22:03:26,939 INFO L451 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2018-12-02 22:03:26,939 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2018-12-02 22:03:26,940 INFO L451 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2018-12-02 22:03:26,940 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-12-02 22:03:26,940 INFO L451 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: true [2018-12-02 22:03:26,940 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (and (or .cse6 .cse7) (or .cse8 .cse6))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (= ~pumpRunning~0 1)) (or .cse3 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse6))))) (or (or .cse8 .cse1 .cse3 .cse6 .cse9) .cse10) (or (= 1 ~waterLevel~0) .cse1 .cse2 .cse3 (not .cse0)) (or .cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3) (or .cse1 (not (= ~systemActive~0 0)) .cse2) (or (or .cse1 .cse3 .cse6 .cse7 .cse9) .cse10)))) [2018-12-02 22:03:26,940 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 1)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse13 (= ~waterLevel~0 2)) (.cse8 (not .cse18)) (.cse9 (not .cse17)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse14 (= 1 ~waterLevel~0)) (.cse15 (not .cse1)) (.cse10 (not (= ~systemActive~0 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (and (or .cse7 .cse8) (or .cse9 .cse7))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse11 (or (and .cse5 .cse13 .cse17) (and .cse5 .cse13 .cse18)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 (= ~pumpRunning~0 1)) (or .cse4 (and (or .cse6 .cse7 .cse8) (or .cse9 .cse6 .cse7)))) (or .cse10 .cse11 (and (or .cse2 .cse7 .cse8 .cse12) (or .cse9 .cse2 .cse7 .cse12))) (or (or .cse9 .cse2 .cse4 .cse7 .cse12) .cse13) (or .cse14 .cse2 .cse3 .cse4 .cse15) (or (and (or .cse6 .cse7 .cse8 .cse12) (or .cse9 .cse6 .cse7 .cse12)) .cse13 .cse4) (or .cse2 .cse10 .cse16 .cse3) (or .cse2 .cse16 .cse3 .cse4) (or .cse14 .cse2 .cse10 .cse3 .cse15) (or .cse1 .cse2 .cse10 .cse0 .cse3) (or (or .cse2 .cse4 .cse7 .cse8 .cse12) .cse11))))) [2018-12-02 22:03:26,940 INFO L444 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse21 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~methAndRunningLastTime~0 0)) (.cse22 (= ~methaneLevelCritical~0 0))) (let ((.cse15 (= ~waterLevel~0 2)) (.cse7 (or (and .cse20 .cse21) (and .cse20 .cse22))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not .cse22)) (.cse14 (not .cse21)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse16 (= 1 ~waterLevel~0)) (.cse1 (not .cse8)) (.cse11 (not (= ~systemActive~0 0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse19 (or .cse3 (let ((.cse24 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse24 .cse4 .cse5) (or .cse14 .cse24 .cse4))))) (.cse10 (let ((.cse23 (= ~pumpRunning~0 1))) (or (and .cse20 .cse22 .cse23) (and .cse20 .cse23 .cse21)))) (.cse18 (and (= 0 ~pumpRunning~0) .cse7)) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse12 (or (and .cse20 .cse15 .cse21) (and .cse20 .cse15 .cse22))) (.cse17 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (and (or .cse4 .cse5) (or .cse14 .cse4)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (and .cse6 .cse7 .cse0) .cse8 .cse2 .cse9 (and .cse6 .cse10) .cse3) (or .cse11 .cse12 (and (or .cse2 .cse4 .cse5 .cse13) (or .cse14 .cse2 .cse4 .cse13))) (or (or .cse14 .cse2 .cse3 .cse4 .cse13) .cse15) (or .cse2 .cse11 (and .cse7 .cse0) .cse9) (or (and .cse16 .cse7) .cse2 .cse9 .cse3 .cse1) (or .cse17 .cse18 .cse19) (or .cse16 .cse2 .cse11 .cse9 .cse1) (or .cse8 .cse2 .cse11 .cse6 .cse9) (or .cse19 .cse10 .cse18) (or (or .cse2 .cse3 .cse4 .cse5 .cse13) .cse12) (or .cse17 .cse2 .cse0 .cse9 .cse3))))) [2018-12-02 22:03:26,940 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-12-02 22:03:26,940 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (or .cse2 .cse3) (or .cse4 .cse2))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2))) (and (= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 1))) (or .cse5 .cse6 .cse0) (or .cse5 (not (= ~systemActive~0 0)) .cse6) (or (= ~waterLevel~0 2) (let ((.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse1 .cse2 .cse3 .cse7) (or .cse4 .cse1 .cse2 .cse7))) .cse0)))) [2018-12-02 22:03:26,940 INFO L448 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-12-02 22:03:26,940 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-12-02 22:03:26,940 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-02 22:03:26,940 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (= ~waterLevel~0 2) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3)))) [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 22:03:26,941 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~waterLevel~0 2))) (.cse0 (= ~systemActive~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or (and (or .cse6 .cse3 .cse4 .cse1 .cse5) (or .cse7 .cse6 .cse3 .cse4 .cse5)) .cse0) (or (or (= |old(~systemActive~0)| 0) (and (or .cse6 .cse4 .cse1) (or .cse7 .cse6 .cse4))) (not (= ~systemActive~0 0))))) [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 466 473) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (not .cse14)) (.cse0 (not .cse13)) (.cse3 (not .cse12)) (.cse8 (= ~waterLevel~0 2))) (let ((.cse5 (or (and .cse12 .cse8 .cse13) (and .cse12 .cse8 .cse14))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0))) (.cse9 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse10 (and (or .cse3 .cse7) (or .cse0 .cse3))) (.cse2 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (or .cse1 .cse2) .cse3 .cse4) .cse5) (or .cse6 .cse5 (and (or .cse1 .cse3 .cse7 .cse4) (or .cse0 .cse1 .cse3 .cse4))) (or (or (or .cse1 .cse2 .cse7) .cse3 .cse4) .cse8) (or (or (not (= 1 ~pumpRunning~0)) .cse3 .cse4) (or .cse2 .cse7) .cse8) (or .cse1 .cse6 .cse9 .cse10 .cse11) (or .cse9 .cse1 .cse10 .cse2 .cse11))))) [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2018-12-02 22:03:26,941 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 881 888) no Hoare annotation was computed. [2018-12-02 22:03:26,942 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2018-12-02 22:03:26,942 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2018-12-02 22:03:26,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:03:26 BoogieIcfgContainer [2018-12-02 22:03:26,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 22:03:26,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:03:26,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:03:26,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:03:26,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:45" (3/4) ... [2018-12-02 22:03:26,952 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 22:03:26,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 22:03:26,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 22:03:26,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 22:03:26,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 22:03:26,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 22:03:26,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 22:03:26,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 22:03:26,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 22:03:26,979 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == pumpRunning && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && systemActive == 1) && splverifierCounter == 0) || (((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == pumpRunning) && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && splverifierCounter == 0)) || (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 22:03:26,980 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 22:03:27,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4757750c-bdd1-4a36-80c6-7b15e99b7fc0/bin-2019/utaipan/witness.graphml [2018-12-02 22:03:27,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:03:27,003 INFO L168 Benchmark]: Toolchain (without parser) took 42180.57 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 957.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 769.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:03:27,003 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: RCFGBuilder took 317.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: TraceAbstraction took 41490.12 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-02 22:03:27,004 INFO L168 Benchmark]: Witness Printer took 52.80 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 114.6 kB). Peak memory consumption was 114.6 kB. Max. memory is 11.5 GB. [2018-12-02 22:03:27,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41490.12 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 52.80 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 114.6 kB). Peak memory consumption was 114.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: 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: 193]: Loop Invariant Derived loop invariant: (((((((0 == pumpRunning && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && systemActive == 1) && splverifierCounter == 0) || (((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == pumpRunning) && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && splverifierCounter == 0)) || (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 41.4s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 24.4s AutomataDifference, 0.0s DeadEndRemovalTime, 8.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3056 SDtfs, 3143 SDslu, 15210 SDs, 0 SdLazy, 8510 SolverSat, 876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1305 GetRequests, 1068 SyntacticMatches, 15 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2682 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3773occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9963029550669206 AbsIntWeakeningRatio, 0.9052631578947369 AbsIntAvgWeakeningVarsNumRemoved, 46.589473684210525 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 755 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 6540 PreInvPairs, 6762 NumberOfFragments, 4443 HoareAnnotationTreeSize, 6540 FomulaSimplifications, 25350 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 60783 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1911 NumberOfCodeBlocks, 1911 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2316 ConstructedInterpolants, 0 QuantifiedInterpolants, 526585 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2101 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 900/970 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...