./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:00:51,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:00:51,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:00:51,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:00:51,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:00:51,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:00:51,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:00:51,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:00:51,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:00:51,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:00:51,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:00:51,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:00:51,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:00:51,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:00:51,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:00:51,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:00:51,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:00:51,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:00:51,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:00:51,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:00:51,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:00:51,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:00:51,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:00:51,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:00:51,385 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:00:51,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:00:51,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:00:51,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:00:51,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:00:51,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:00:51,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:00:51,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:00:51,388 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:00:51,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:00:51,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:00:51,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:00:51,389 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:00:51,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:00:51,397 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:00:51,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:00:51,397 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:00:51,397 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:00:51,397 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:00:51,398 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:00:51,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:00:51,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:00:51,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:00:51,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:00:51,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:00:51,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:00:51,401 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_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-11-23 07:00:51,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:00:51,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:00:51,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:00:51,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:00:51,437 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:00:51,438 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-23 07:00:51,481 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/data/ffeb372b8/01947d38da12483dba28c63a63d70247/FLAG22134fefb [2018-11-23 07:00:51,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:00:51,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-23 07:00:51,881 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/data/ffeb372b8/01947d38da12483dba28c63a63d70247/FLAG22134fefb [2018-11-23 07:00:52,247 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/data/ffeb372b8/01947d38da12483dba28c63a63d70247 [2018-11-23 07:00:52,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:00:52,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:00:52,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:00:52,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:00:52,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:00:52,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52, skipping insertion in model container [2018-11-23 07:00:52,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:00:52,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:00:52,496 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:00:52,505 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:00:52,602 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:00:52,622 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:00:52,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52 WrapperNode [2018-11-23 07:00:52,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:00:52,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:00:52,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:00:52,623 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:00:52,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:00:52,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:00:52,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:00:52,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:00:52,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... [2018-11-23 07:00:52,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:00:52,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:00:52,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:00:52,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:00:52,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/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 [2018-11-23 07:00:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:00:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:00:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:00:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:00:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 07:00:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 07:00:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:00:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:00:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:00:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:00:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:00:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:00:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:00:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:00:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:00:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:00:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:00:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:00:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:00:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:00:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:00:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:00:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:00:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:00:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:00:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:00:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:00:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:00:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:00:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:00:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:00:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:00:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:00:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:00:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:00:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:00:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:00:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:00:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:00:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:00:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:00:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:00:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:00:53,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:00:53,195 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:00:53,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:00:53 BoogieIcfgContainer [2018-11-23 07:00:53,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:00:53,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:00:53,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:00:53,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:00:53,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:00:52" (1/3) ... [2018-11-23 07:00:53,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156ab80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:00:53, skipping insertion in model container [2018-11-23 07:00:53,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:00:52" (2/3) ... [2018-11-23 07:00:53,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156ab80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:00:53, skipping insertion in model container [2018-11-23 07:00:53,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:00:53" (3/3) ... [2018-11-23 07:00:53,201 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-23 07:00:53,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:00:53,213 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:00:53,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:00:53,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:00:53,245 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:00:53,246 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:00:53,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:00:53,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:00:53,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:00:53,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:00:53,246 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:00:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-23 07:00:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:00:53,268 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:53,269 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] [2018-11-23 07:00:53,270 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:53,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1719374991, now seen corresponding path program 1 times [2018-11-23 07:00:53,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:53,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:53,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:53,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:53,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:00:53,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:53,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:00:53,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:00:53,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:00:53,482 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-23 07:00:53,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:53,514 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-11-23 07:00:53,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:00:53,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 07:00:53,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:53,526 INFO L225 Difference]: With dead ends: 264 [2018-11-23 07:00:53,526 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 07:00:53,530 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 [2018-11-23 07:00:53,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 07:00:53,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 07:00:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 07:00:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-11-23 07:00:53,569 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-11-23 07:00:53,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:53,569 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-11-23 07:00:53,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:00:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-11-23 07:00:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:00:53,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:53,572 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] [2018-11-23 07:00:53,572 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:53,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:53,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1764692514, now seen corresponding path program 1 times [2018-11-23 07:00:53,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:53,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:53,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:53,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:53,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:00:53,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:53,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:00:53,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:00:53,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:00:53,651 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-11-23 07:00:53,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:53,670 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2018-11-23 07:00:53,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:00:53,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 07:00:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:53,672 INFO L225 Difference]: With dead ends: 207 [2018-11-23 07:00:53,672 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 07:00:53,673 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 [2018-11-23 07:00:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 07:00:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 07:00:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 07:00:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-23 07:00:53,685 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-23 07:00:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:53,685 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-23 07:00:53,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:00:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-23 07:00:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:00:53,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:53,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:53,687 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:53,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1188417831, now seen corresponding path program 1 times [2018-11-23 07:00:53,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:53,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:53,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:53,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:00:53,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:53,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:00:53,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:00:53,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:00:53,799 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-11-23 07:00:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:54,095 INFO L93 Difference]: Finished difference Result 370 states and 453 transitions. [2018-11-23 07:00:54,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:00:54,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 07:00:54,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:54,099 INFO L225 Difference]: With dead ends: 370 [2018-11-23 07:00:54,099 INFO L226 Difference]: Without dead ends: 273 [2018-11-23 07:00:54,100 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 [2018-11-23 07:00:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-23 07:00:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2018-11-23 07:00:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-11-23 07:00:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2018-11-23 07:00:54,132 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2018-11-23 07:00:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:54,132 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2018-11-23 07:00:54,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:00:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2018-11-23 07:00:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:00:54,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:54,135 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] [2018-11-23 07:00:54,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:54,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:54,138 INFO L82 PathProgramCache]: Analyzing trace with hash -455106248, now seen corresponding path program 1 times [2018-11-23 07:00:54,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:54,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:54,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,139 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:54,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:54,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:00:54,237 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:54,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:00:54,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:00:54,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:00:54,238 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2018-11-23 07:00:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:54,376 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2018-11-23 07:00:54,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:00:54,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 07:00:54,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:54,380 INFO L225 Difference]: With dead ends: 721 [2018-11-23 07:00:54,381 INFO L226 Difference]: Without dead ends: 484 [2018-11-23 07:00:54,382 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 [2018-11-23 07:00:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-23 07:00:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2018-11-23 07:00:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-11-23 07:00:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2018-11-23 07:00:54,418 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2018-11-23 07:00:54,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:54,418 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2018-11-23 07:00:54,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:00:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2018-11-23 07:00:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:00:54,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:54,421 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] [2018-11-23 07:00:54,421 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:54,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:54,421 INFO L82 PathProgramCache]: Analyzing trace with hash 867395924, now seen corresponding path program 1 times [2018-11-23 07:00:54,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:54,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:54,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:54,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:54,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:00:54,533 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:54,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:00:54,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:00:54,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:00:54,534 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2018-11-23 07:00:54,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:54,923 INFO L93 Difference]: Finished difference Result 1245 states and 1650 transitions. [2018-11-23 07:00:54,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 07:00:54,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 07:00:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:54,927 INFO L225 Difference]: With dead ends: 1245 [2018-11-23 07:00:54,927 INFO L226 Difference]: Without dead ends: 795 [2018-11-23 07:00:54,929 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 [2018-11-23 07:00:54,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-11-23 07:00:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2018-11-23 07:00:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-11-23 07:00:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2018-11-23 07:00:54,972 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2018-11-23 07:00:54,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:54,972 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2018-11-23 07:00:54,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:00:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2018-11-23 07:00:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:00:54,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:54,974 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:54,975 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:54,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:54,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1748551597, now seen corresponding path program 1 times [2018-11-23 07:00:54,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:54,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:54,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:54,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:55,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:55,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:00:55,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:55,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:00:55,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:00:55,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:00:55,054 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 6 states. [2018-11-23 07:00:55,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:55,092 INFO L93 Difference]: Finished difference Result 1390 states and 1732 transitions. [2018-11-23 07:00:55,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:00:55,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 07:00:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:55,096 INFO L225 Difference]: With dead ends: 1390 [2018-11-23 07:00:55,096 INFO L226 Difference]: Without dead ends: 719 [2018-11-23 07:00:55,097 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 [2018-11-23 07:00:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2018-11-23 07:00:55,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2018-11-23 07:00:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-23 07:00:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2018-11-23 07:00:55,124 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 88 [2018-11-23 07:00:55,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:55,125 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2018-11-23 07:00:55,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:00:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2018-11-23 07:00:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:00:55,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:55,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:55,127 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:55,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1844815825, now seen corresponding path program 1 times [2018-11-23 07:00:55,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:55,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:55,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:00:55,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:55,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:00:55,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:00:55,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:00:55,194 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 8 states. [2018-11-23 07:00:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:55,232 INFO L93 Difference]: Finished difference Result 1438 states and 1810 transitions. [2018-11-23 07:00:55,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:00:55,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-23 07:00:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:55,235 INFO L225 Difference]: With dead ends: 1438 [2018-11-23 07:00:55,235 INFO L226 Difference]: Without dead ends: 747 [2018-11-23 07:00:55,237 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 [2018-11-23 07:00:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2018-11-23 07:00:55,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 735. [2018-11-23 07:00:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-11-23 07:00:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-11-23 07:00:55,264 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 88 [2018-11-23 07:00:55,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:55,264 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-11-23 07:00:55,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:00:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-11-23 07:00:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:00:55,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:55,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:55,266 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:55,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:55,266 INFO L82 PathProgramCache]: Analyzing trace with hash -119334928, now seen corresponding path program 1 times [2018-11-23 07:00:55,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:55,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:55,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:55,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:55,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:00:55,327 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:55,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:00:55,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:00:55,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:00:55,328 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 4 states. [2018-11-23 07:00:55,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:55,497 INFO L93 Difference]: Finished difference Result 2385 states and 3038 transitions. [2018-11-23 07:00:55,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:00:55,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 07:00:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:55,503 INFO L225 Difference]: With dead ends: 2385 [2018-11-23 07:00:55,503 INFO L226 Difference]: Without dead ends: 1678 [2018-11-23 07:00:55,505 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 [2018-11-23 07:00:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2018-11-23 07:00:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1647. [2018-11-23 07:00:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-11-23 07:00:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2047 transitions. [2018-11-23 07:00:55,569 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2047 transitions. Word has length 88 [2018-11-23 07:00:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:55,569 INFO L480 AbstractCegarLoop]: Abstraction has 1647 states and 2047 transitions. [2018-11-23 07:00:55,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:00:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2047 transitions. [2018-11-23 07:00:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 07:00:55,572 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:55,572 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:55,572 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:55,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:55,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1362208938, now seen corresponding path program 1 times [2018-11-23 07:00:55,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:55,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:55,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:55,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:00:55,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:00:55,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:55,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:00:55,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:00:55,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:00:55,635 INFO L87 Difference]: Start difference. First operand 1647 states and 2047 transitions. Second operand 3 states. [2018-11-23 07:00:55,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:55,704 INFO L93 Difference]: Finished difference Result 2606 states and 3345 transitions. [2018-11-23 07:00:55,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:00:55,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-23 07:00:55,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:55,713 INFO L225 Difference]: With dead ends: 2606 [2018-11-23 07:00:55,713 INFO L226 Difference]: Without dead ends: 2603 [2018-11-23 07:00:55,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:00:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2018-11-23 07:00:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2443. [2018-11-23 07:00:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2443 states. [2018-11-23 07:00:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3149 transitions. [2018-11-23 07:00:55,806 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3149 transitions. Word has length 92 [2018-11-23 07:00:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:55,806 INFO L480 AbstractCegarLoop]: Abstraction has 2443 states and 3149 transitions. [2018-11-23 07:00:55,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:00:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3149 transitions. [2018-11-23 07:00:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 07:00:55,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:55,813 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:55,813 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:55,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1085373225, now seen corresponding path program 1 times [2018-11-23 07:00:55,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:55,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:55,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:55,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:00:55,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:00:55,917 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:00:55,918 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 07:00:55,920 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [33], [35], [36], [39], [42], [44], [50], [54], [57], [58], [62], [63], [64], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [168], [171], [175], [181], [208], [209], [212], [216], [217], [221], [224], [226], [229], [236], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-11-23 07:00:55,946 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:00:55,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:00:57,366 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:00:57,367 INFO L272 AbstractInterpreter]: Visited 120 different actions 598 times. Merged at 17 different actions 52 times. Never widened. Performed 22930 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22930 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-23 07:00:57,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:57,383 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:00:57,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:00:57,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/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 [2018-11-23 07:00:57,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:57,390 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:00:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:57,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:00:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:00:57,698 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:00:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:00:58,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:00:58,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 07:00:58,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:58,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:00:58,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:00:58,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 07:00:58,286 INFO L87 Difference]: Start difference. First operand 2443 states and 3149 transitions. Second operand 8 states. [2018-11-23 07:00:58,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:58,594 INFO L93 Difference]: Finished difference Result 4678 states and 6104 transitions. [2018-11-23 07:00:58,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:00:58,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-23 07:00:58,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:58,606 INFO L225 Difference]: With dead ends: 4678 [2018-11-23 07:00:58,606 INFO L226 Difference]: Without dead ends: 2263 [2018-11-23 07:00:58,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 07:00:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2018-11-23 07:00:58,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2263. [2018-11-23 07:00:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2018-11-23 07:00:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2849 transitions. [2018-11-23 07:00:58,735 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2849 transitions. Word has length 150 [2018-11-23 07:00:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:58,735 INFO L480 AbstractCegarLoop]: Abstraction has 2263 states and 2849 transitions. [2018-11-23 07:00:58,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:00:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2849 transitions. [2018-11-23 07:00:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 07:00:58,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:58,743 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:58,743 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:58,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:58,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1721181663, now seen corresponding path program 1 times [2018-11-23 07:00:58,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:58,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:58,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:58,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:58,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:00:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:00:58,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:00:58,862 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:00:58,862 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 07:00:58,862 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [171], [175], [181], [208], [209], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-11-23 07:00:58,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:00:58,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:00:59,559 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:00:59,560 INFO L272 AbstractInterpreter]: Visited 99 different actions 347 times. Merged at 13 different actions 29 times. Never widened. Performed 13466 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13466 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 134 variables. [2018-11-23 07:00:59,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:59,570 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:00:59,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:00:59,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/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 [2018-11-23 07:00:59,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:59,595 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:00:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:00:59,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:00:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:00:59,700 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:00:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:00:59,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:00:59,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 07:00:59,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:00:59,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:00:59,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:00:59,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:00:59,829 INFO L87 Difference]: Start difference. First operand 2263 states and 2849 transitions. Second operand 3 states. [2018-11-23 07:00:59,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:00:59,914 INFO L93 Difference]: Finished difference Result 4019 states and 5133 transitions. [2018-11-23 07:00:59,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:00:59,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-11-23 07:00:59,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:00:59,920 INFO L225 Difference]: With dead ends: 4019 [2018-11-23 07:00:59,920 INFO L226 Difference]: Without dead ends: 2100 [2018-11-23 07:00:59,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:00:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-11-23 07:00:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1462. [2018-11-23 07:00:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1462 states. [2018-11-23 07:00:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1660 transitions. [2018-11-23 07:00:59,981 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1660 transitions. Word has length 150 [2018-11-23 07:00:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:00:59,981 INFO L480 AbstractCegarLoop]: Abstraction has 1462 states and 1660 transitions. [2018-11-23 07:00:59,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:00:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1660 transitions. [2018-11-23 07:00:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 07:00:59,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:00:59,985 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:00:59,985 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:00:59,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:00:59,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2118493355, now seen corresponding path program 1 times [2018-11-23 07:00:59,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:00:59,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:59,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:00:59,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:00:59,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:01:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:01:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 07:01:00,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:01:00,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:01:00,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:01:00,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:01:00,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:01:00,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:01:00,034 INFO L87 Difference]: Start difference. First operand 1462 states and 1660 transitions. Second operand 3 states. [2018-11-23 07:01:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:01:00,070 INFO L93 Difference]: Finished difference Result 1655 states and 1889 transitions. [2018-11-23 07:01:00,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:01:00,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 07:01:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:01:00,071 INFO L225 Difference]: With dead ends: 1655 [2018-11-23 07:01:00,071 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:01:00,073 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 [2018-11-23 07:01:00,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:01:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:01:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:01:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:01:00,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-23 07:01:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:01:00,075 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:01:00,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:01:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:01:00,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:01:00,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:01:00,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:01:00,915 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-23 07:01:01,682 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2018-11-23 07:01:02,036 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2018-11-23 07:01:02,264 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 47 [2018-11-23 07:01:03,570 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2018-11-23 07:01:03,571 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2018-11-23 07:01:03,572 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2018-11-23 07:01:03,572 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2018-11-23 07:01:03,572 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,572 INFO L444 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,572 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2018-11-23 07:01:03,573 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2018-11-23 07:01:03,573 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-23 07:01:03,573 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,573 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,573 INFO L444 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,573 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2018-11-23 07:01:03,573 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse2 (or .cse9 .cse10 .cse11)) (.cse0 (not (= |old(~systemActive~0)| 0))) (.cse1 (= ~systemActive~0 0)) (.cse8 (or (or .cse10 .cse5) .cse11)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse6 (and (= ~systemActive~0 1) .cse7)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse2) (or .cse8 .cse7) (or .cse0 .cse1 .cse8) (or .cse3 .cse9 .cse6 .cse4)))) [2018-11-23 07:01:03,573 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2) .cse5) (or .cse0 .cse6 .cse3 .cse1) (or .cse6 .cse4 .cse5))) [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2018-11-23 07:01:03,574 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,574 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2018-11-23 07:01:03,574 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1 .cse4 .cse2) .cse5) (or .cse5 (or .cse6 .cse3 .cse1 .cse4)) (or .cse0 .cse6 .cse1))) [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or .cse4 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse5) .cse1))) [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse3 .cse4) .cse2) (or (or .cse5 .cse3 .cse6 .cse4) .cse2) (or .cse2 (or .cse1 .cse5 .cse3 .cse6)))) [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2018-11-23 07:01:03,575 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2018-11-23 07:01:03,575 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,576 INFO L444 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse4 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3 .cse5))) [2018-11-23 07:01:03,576 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (and .cse6 .cse0 .cse3) .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3 .cse4))) [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-23 07:01:03,576 INFO L444 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:01:03,576 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse6 .cse2))) [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2018-11-23 07:01:03,576 INFO L444 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse1 .cse3) (and .cse5 (and .cse6 .cse0 .cse3)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-11-23 07:01:03,576 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2018-11-23 07:01:03,577 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2018-11-23 07:01:03,577 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse0 .cse3 .cse4))) [2018-11-23 07:01:03,577 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-11-23 07:01:03,578 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-11-23 07:01:03,578 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2018-11-23 07:01:03,578 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-11-23 07:01:03,578 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse0 .cse1) .cse3) (or (or .cse1 .cse4) .cse3) (or .cse1 .cse2 .cse4) (or .cse5 .cse2 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 07:01:03,578 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2018-11-23 07:01:03,578 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~pumpRunning~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse1) (or (or .cse2 .cse9) .cse3) (or .cse0 .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse2 .cse8 .cse9) (or .cse6 .cse8 .cse9)))) [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2018-11-23 07:01:03,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L451 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 .cse4 (or .cse2 .cse5 .cse6)) (or .cse7 .cse1 .cse3 .cse6 .cse8) (or (or .cse5 .cse6 .cse8) .cse7 .cse4) (or .cse0 (or .cse2 .cse5 .cse3 .cse6)) (or (or .cse5 .cse3 .cse6 .cse8) .cse7))) [2018-11-23 07:01:03,580 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 07:01:03,580 INFO L444 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse7 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse3 .cse5) .cse7) (or .cse8 (or .cse0 .cse1 .cse3 .cse5)) (or .cse9 (or .cse6 .cse3 .cse10)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse11 (or .cse0 .cse1)) (or (or .cse1 .cse3 .cse5 .cse10) .cse8) (or (or .cse1 .cse10) .cse11) (or .cse9 (or .cse6 .cse0 .cse3))))) [2018-11-23 07:01:03,580 INFO L444 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse11 (and (<= 1 ~pumpRunning~0) (not (= ~waterLevel~0 1)) .cse12)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 1 ~waterLevel~0) .cse12)) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse2 .cse5) .cse6) (or .cse1 .cse6 (or .cse4 .cse5 .cse7)) (or .cse8 .cse3 .cse0 .cse9 .cse10 .cse7) (or .cse2 .cse8 .cse3 .cse0 .cse9 .cse10) (or .cse11 .cse1 (or .cse3 .cse5 .cse10 .cse7)) (or .cse2 .cse3 .cse8 .cse5 .cse9 .cse10) (or (or .cse3 .cse7) .cse0 .cse1) (or .cse11 .cse1 (or .cse2 .cse3 .cse5 .cse10)) (or .cse3 .cse8 .cse5 .cse9 .cse10 .cse7)))) [2018-11-23 07:01:03,581 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (or .cse6 (or .cse4 .cse1 .cse3)) (or .cse7 (or .cse5 .cse0)) (or .cse5 .cse0 .cse1 .cse2) (or (or .cse0 .cse3) .cse7) (or .cse6 (or .cse4 .cse5 .cse1)))) [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (and .cse9 .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse0 .cse1)) (or (or .cse8 .cse0 .cse3 .cse5) .cse9) (or .cse10 (or .cse0 .cse1 .cse3 .cse5)) (or .cse7 (or .cse8 .cse3 .cse11)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) (or (and .cse2 .cse9) .cse1 .cse6 .cse4 .cse5 .cse11) (or (or .cse1 .cse3 .cse5 .cse11) .cse10) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse9 .cse6 (or .cse0 .cse1 .cse5)) (or (or .cse1 .cse11) .cse6 .cse7) (or .cse7 (or .cse8 .cse0 .cse3))))) [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 07:01:03,581 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 07:01:03,582 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) .cse2) (or (or .cse3 .cse0 .cse4 .cse1) .cse2) (or .cse2 (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 07:01:03,582 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (or .cse4 (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2)))) [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L444 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse5) (or .cse6 (or .cse0 .cse1 .cse2 .cse4)) (or (or .cse1 .cse2 .cse4 .cse5) (and .cse3 .cse6)))) [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse3)))) [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2018-11-23 07:01:03,582 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse0 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-11-23 07:01:03,583 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-23 07:01:03,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:01:03 BoogieIcfgContainer [2018-11-23 07:01:03,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:01:03,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:01:03,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:01:03,595 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:01:03,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:00:53" (3/4) ... [2018-11-23 07:01:03,599 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:01:03,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:01:03,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:01:03,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:01:03,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:01:03,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:01:03,612 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 07:01:03,613 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:01:03,613 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:01:03,614 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:01:03,614 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:01:03,614 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:01:03,614 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:01:03,639 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-23 07:01:03,639 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:01:03,671 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f635934c-f733-4289-882c-a75d1ec442b9/bin-2019/utaipan/witness.graphml [2018-11-23 07:01:03,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:01:03,672 INFO L168 Benchmark]: Toolchain (without parser) took 11422.22 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 654.8 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -300.6 MB). Peak memory consumption was 354.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,673 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:01:03,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.40 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,674 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,674 INFO L168 Benchmark]: RCFGBuilder took 519.73 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,674 INFO L168 Benchmark]: TraceAbstraction took 10398.77 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 513.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -197.0 MB). Peak memory consumption was 605.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,674 INFO L168 Benchmark]: Witness Printer took 76.61 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:01:03,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.40 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.33 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 519.73 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10398.77 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 513.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -197.0 MB). Peak memory consumption was 605.9 MB. Max. memory is 11.5 GB. * Witness Printer took 76.61 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 10.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2119 SDtfs, 967 SDslu, 4318 SDs, 0 SdLazy, 1128 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 625 SyntacticMatches, 8 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2443occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 951 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 3825 PreInvPairs, 3919 NumberOfFragments, 3352 HoareAnnotationTreeSize, 3825 FomulaSimplifications, 6154 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 10566 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1403 NumberOfCodeBlocks, 1403 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1687 ConstructedInterpolants, 0 QuantifiedInterpolants, 314105 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1778 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 323/339 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...